CN104767684A

CN104767684A - Data transmission method and related device and communication system

Info

Publication number: CN104767684A
Application number: CN201410004270.XA
Authority: CN
Inventors: 周飞虎; 饶明; 谢立强; 宋应湃
Original assignee: Tencent Technology Shenzhen Co Ltd
Current assignee: Tencent Technology Shenzhen Co Ltd; Tencent Cloud Computing Beijing Co Ltd
Priority date: 2014-01-03
Filing date: 2014-01-03
Publication date: 2015-07-08
Anticipated expiration: 2034-01-03
Also published as: CN104767684B

Abstract

Embodiments of the invention disclose a data transmission method and a related device and a communication system. The data transmission method comprises the following steps that a first network element receives a first application layer data packet from a user terminal, an application layer header of the first application layer data packet carries identification information of a target Internet data center, and the first network element is a network element in an acceleration network; the first network element determines a communication address of a next hop of network element of the first network element in a routing path for transmitting the first application layer data packet to the target Internet data center according to the identification information of the target Internet data center, which is carried by the application layer header of the first application layer data packet; and the first network element forwards the received first application layer data packet to the next hop of network element based on the determined communication address of the next hop of network element. The technical scheme provided by the embodiments of the invention is beneficial for improving flexibility for a data relay network element to carry out route processing on a user data packet, so that reachability for the user terminal to visit the target IDC (Internet Data Center) is improved.

Description

Data transmission method and relevant apparatus and communication system

Technical field

The present invention relates to networking technology area, specifically relate generally to a kind of data transmission method and relevant apparatus and communication system.

Background technology

Along with the develop rapidly of Internet technology and terminal technology, many Internet services (such as micro-telecommunications services etc.) are had to relate to network data transmission and data interaction.Accelerating the transmission of data between each network node is the important means improved service quality, promote Consumer's Experience.

There is following scene in prior art, local user accesses object Internet data center (IDC, Internet Data Center) by the access network element accessed in local accelerating network by accelerating network.But after user roams into other region, user cannot successfully pass accelerating network access object Internet data center usually by the access network element in the accelerating network of access locality.

The present inventor finds in research and practice process, at least there is following technical problem in prior art: in prior art after certain access network element in accelerating network receives the packet from certain user terminal, this access network element no matter this packet from where, this packet received is forwarded directly to specific ID C, but when user terminal is in roaming state, the specific ID C that the packet that access network element sends arrives is not probably then the IDC that this user terminal really will be accessed.

Summary of the invention

The embodiment of the present invention provides data transmission method and relevant apparatus and communication system, to improving data relay network element to the flexibility of the route processing of user data package, and then improves the accessibility of user terminal access object IDC.

Embodiment of the present invention first aspect provides a kind of data transmission method, can comprise:

First network element receives the first application layer data bag of user terminal, and the application layer packet header of described first application layer data bag carries the identification information of object Internet data center, and described first network element is the network element in accelerating network;

The identification information of the described object Internet data center entrained by the application layer packet header of described first application layer data bag, determines the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission;

Mailing address based on the described down hop network element determined forwards the described first application layer data bag received to described down hop network element.

Embodiment of the present invention second aspect provides a kind of data transmission device, can comprise:

Receiving element, for receiving the first application layer data bag of user terminal, the application layer packet header of described first application layer data bag carries the identification information of object Internet data center;

Determining unit, the identification information of the described object Internet data center entrained by the application layer packet header of described first application layer data bag, determines the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission;

Retransmission unit, forwards for the mailing address based on the described down hop network element determined the described first application layer data bag received to described down hop network element.

Third aspect present invention provides a kind of communication system, can comprise:

First network element and object Internet data center;

Wherein, described first network element, for receiving the first application layer data bag of user terminal, the application layer packet header of described first application layer data bag carries the identification information of object Internet data center, and described first network element is the network element in accelerating network; The identification information of the described object Internet data center entrained by the application layer packet header of described first application layer data bag, determines the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission; Mailing address based on the described down hop network element determined forwards the described first application layer data bag received to described down hop network element.

Can find out, in the technical scheme of the embodiment of the present invention, after the first network element as transfer network element in accelerating network receives the first application layer data bag of user terminal, the identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the identification information of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the identification informations according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, the technique scheme that the embodiment of the present invention provides is conducive to improving data relay network element to the flexibility of user application layer packet route processing and specific aim, and then improve the accessibility of user terminal access object IDC, and then be conducive to promoting consumer products experience.

Accompanying drawing explanation

In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.

Fig. 1-a is the schematic flow sheet of a kind of data transmission method that the embodiment of the present invention provides;

Fig. 1-b is the structural representation of a kind of application layer data bag that the embodiment of the present invention provides;

Fig. 2-a is the configuration diagram of a kind of communication system that the embodiment of the present invention provides;

Fig. 2-b is the schematic flow sheet of the another kind of data transmission method that the embodiment of the present invention provides;

Fig. 3 is the schematic flow sheet of the another kind of data transmission method that the embodiment of the present invention provides;

Fig. 4 is the schematic flow sheet of the another kind of data transmission method that the embodiment of the present invention provides;

Fig. 5 is the schematic flow sheet of the another kind of data transmission method that the embodiment of the present invention provides;

Fig. 6 is the schematic flow sheet of the another kind of data transmission method that the embodiment of the present invention provides;

Fig. 7 is the schematic flow sheet of the another kind of data transmission method that the embodiment of the present invention provides;

Fig. 8 is the structural representation of a kind of data transmission device that the embodiment of the present invention provides;

Fig. 9 is the structural representation of a kind of network element that the embodiment of the present invention provides;

Figure 10-a is the schematic diagram of a kind of communication system that the embodiment of the present invention provides;

Figure 10-b is the schematic diagram of the another kind of communication system that the embodiment of the present invention provides.

Embodiment

The present invention program is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the embodiment of a part of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making other embodiments all obtained under creative work prerequisite, should belong to the scope of protection of the invention.

Below be described in detail respectively.

Term " first ", " second ", " the 3rd " " 4th " etc. (if existence) in specification of the present invention and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiments of the invention described herein such as can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.

An embodiment of a kind of data transmission method of the present invention, wherein, a kind of data transmission method can comprise: the first network element receives the first application layer data bag of user terminal, the application layer packet header of above-mentioned first application layer data bag carries the identification information of object Internet data center, and above-mentioned first network element is the network element in accelerating network; The identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.

First refer to Fig. 1-a, Fig. 1-a is the schematic flow sheet of a kind of data transmission method that one embodiment of the invention provides.As shown in Fig. 1-a, a kind of data transmission method that one embodiment of the invention provides can comprise following content:

101, the first network element receives the first application layer data bag of user terminal, and the application layer packet header of above-mentioned first application layer data bag carries the identification information of object Internet data center, and above-mentioned first network element is the network element in accelerating network.

Wherein, for supporting that certain or multiple network accelerate the network of agreement or mechanism in the accelerating network that various embodiments of the present invention are mentioned, wherein, the network element in accelerating network is support that certain or multiple network accelerate the network element of agreement or mechanism.

Wherein, the first network element can be any one network element in accelerating network, and the first network element can be access network element in accelerating network or non-access network element.

Wherein, the first network element may directly receive the first application layer data bag of user terminal, also can receive by other network element the first application layer data bag of user terminal.Such as, user terminal by the first application layer data (wherein, the application layer packet header of the first application layer data bag carries the identification information of object Internet data center) bag send to the second network element, second network element using the first network element as determine to the down hop network element of above-mentioned second network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, therefore, second network element by the first application layer data Packet forwarding namely to down hop network element (herein the first network element), first network element then can receive accordingly by the second network element the first application layer data bag of user terminal.Namely one or more transfer network element can be had between the first network element and user terminal, also may without any transfer network element between the first network element and user terminal.

Wherein, the identification information of the object Internet data center that the first application layer data bag carries, can be the identification information through encryption or the object Internet data center without encryption.Fig. 1-b shows a kind of structure of application layer user data package.Wherein, the application layer packet header of the first application layer data bag carries the identification information (such as mailing address, numbering and/or domain name etc.) of object Internet data center, application layer packet header also carries the length of the first application layer data bag, out of Memory also can be carried in certain application layer packet header, such as user terminal ID etc.

In some embodiments of the invention, the identification information of above-mentioned purpose Internet data center can for the purpose of the numbering of Internet data center, the mailing address of above-mentioned purpose Internet data center and/or above-mentioned purpose Internet data center domain name.Certainly, the identification information of above-mentioned purpose Internet data center also can be other can carry out distinctive mark information to this object Internet data center.Wherein, the order Internet data center that different regions may be corresponding different, wherein, each Internet data center may comprise one or multiple server.

102, the identification information of the above-mentioned purpose Internet data center of the first network element entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission.

103, the first network element forwards based on the mailing address of the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Wherein, down hop network element may be another network element in accelerating network, also may be the server in object Internet data center.

Wherein, in some embodiments of the invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, comprise: if utilize the identification information of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record with the identification information match of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, in some embodiments of the invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, can comprise: if utilize the identification information of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the K1 bar next hop address record with the identification information match of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the wherein next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.Above-mentioned K and K1 is positive integer, and such as K1 and K is greater than 1 etc.

Wherein, in some embodiments of the invention, above-mentioned down hop net element communication address of will record in the wherein next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, can comprise: by the down hop net element communication address of recording in any next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by the down hop net element communication address of recording in the first next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, the down hop network element corresponding to down hop net element communication address recorded in first next hop address record, successfully carried out communication with above-mentioned first network element in distance current time preset duration.Certainly, also the down hop net element communication address of will record in which the bar next hop address record in the K1 bar next hop address record of above-mentioned coupling is selected by other mechanism, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

In some embodiments of the invention, each network element in accelerating network all can the regular or irregular packet loss reporting self to dynamic routing (drouter) manager, the operating state such as load and/or propagation delay time, each network element in accelerating network also can report the interconnecting relation between self and other accelerating network network element (such as direct-connected or indirectly connected relation) etc. to dynamic routing management device, so that dynamic routing management device can know the interconnected situation in accelerating network between each network element, know each network element packet loss in accelerating network, the operating state such as load and/or propagation delay time.Dynamic routing management device can based on information such as the operating states of OSPF and/or alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, and then some next hop address records (identification information of object Internet data center and the mailing address etc. of down hop network element can be recorded in next hop address record) can be issued to the appropriate section in accelerating network or whole network element.

Wherein, because each network element in accelerating network is regular or the irregular packet loss of self reported to dynamic routing management device, the operating state such as load and/or propagation delay time may change dynamically in real time, if therefore dynamic routing management device is based on the operating state of OSPF and alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, then certain network element of calculating of dynamic routing management device may change dynamically to the routed path of some or multiple object Internet data center, therefore, when the routed path calculated changes, dynamic routing management device can issue some the next hop address records (can record the identification information of object Internet data center and the mailing address etc. of down hop network element in next hop address record) of latest edition to the respective network elements in accelerating network.

Wherein, in other embodiments of the present invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, can comprise: send the next hop address request message carrying the identification information of above-mentioned purpose Internet data center to dynamic routing management device, receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, wherein, above-mentioned next hop address request response carries the mailing address of N number of down hop network element, by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned N is positive integer, above-mentioned down hop network element is the network element in accelerating network or the network element in non-accelerating network.

Wherein, in other embodiment of the present invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, can comprise:

The next hop address request message carrying the identification information of above-mentioned purpose Internet data center is sent to dynamic routing management device; Receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, above-mentioned next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of above-mentioned purpose Internet data center, N number of mailing address of above-mentioned purpose Internet data center and the mailing address one_to_one corresponding of above-mentioned N number of down hop network element; By the mailing address of one of them the down hop network element among the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, after dynamic routing management device receives next hop address request message, can next hop address request message identification information determination object the Internet data center position and mailing address etc. in a network of object Internet data center of carrying, dynamic routing management device can based on information such as the operating states of OSPF and/or alternative down hop network element, calculate the routed path of the first network element to object Internet data center, and then can next hop address request response be passed through, the mailing address of N number of down hop network element and N number of mailing address (each mailing address in N number of mailing address may correspond to the different server in above-mentioned purpose Internet data center) of above-mentioned purpose Internet data center is fed back to the first network element.Based on OSPF and alternative down hop network element operating state determine down hop network element, be conducive to selecting comparatively reasonably down hop network element, and then be conducive to promoting forward efficiency.

Wherein, in some embodiments of the invention, above-mentioned by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, specifically can comprise: after the communication abnormality between above-mentioned first network element and above-mentioned N number of down hop network element being detected, by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, in some embodiments of the invention, above-mentioned by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, can comprise: by the mailing address of any one the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by the mailing address of the first down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned first down hop network element and above-mentioned first network element successfully carried out communication in distance current time preset duration.Certainly, also by the mailing address of other mechanism by which the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Can find out, in the technical scheme of the present embodiment, after the first network element as transfer network element in accelerating network receives the first application layer data bag of user terminal, the identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the identification information of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the identification informations according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, technique scheme is conducive to improving data relay network element to the flexibility of user application layer packet route processing, and then improve the accessibility of user terminal access object IDC, and then be conducive to promoting consumer products experience.

Further, can realize without destination address communication (mainly referring to without destination address communication) based on above-mentioned mechanism, such as user terminal is getting an IDC domain name from certain microblogging, user terminal does not know the mailing address of this IDC, user terminal can send to accelerating network access network element the application layer data bag that IDC domain name is carried in application layer packet header, and application layer data bag all according to above-mentioned mechanism, can be forwarded to object IDC by accelerating network access network element and other transfer network element step by step.

For ease of better understanding and implement the such scheme of the embodiment of the present invention, some embody rule scenes of illustrating below are described.See the configuration diagram that Fig. 2-a, Fig. 2-a is a kind of communication system that the embodiment of the present invention provides, the data transmission method shown in Fig. 2-b, Fig. 3, Fig. 4, Fig. 5, Fig. 6 and Fig. 7 all can carry out specific embodiment based on the communication system of framework shown in Fig. 2-a.

Refer to Fig. 2-b, Fig. 2-b is the schematic flow sheet of the another kind of data transmission method that another embodiment of the present invention provides.Wherein, as shown in Fig. 2-b, the another kind of data transmission method that another embodiment of the present invention provides can comprise following content:

201, user terminal is to the request of domain name analysis system (DNS, Domain Name System) server sending domain name analysis, and wherein, the domain name of object Internet data center and the area identification in the current residing region of user terminal are carried in above-mentioned domain name mapping request.

202, the domain name mapping that dns server sends for responding above-mentioned domain name mapping request to user terminal responds, and wherein, carries the numbering of above-mentioned purpose Internet data center domain name and the mailing address of the first network element in domain name mapping response.

Wherein, the first network element and the current residing Region Matching of user terminal.

Can find, domain name mapping feedback mechanism difference and the common domain name mapping feedback mechanism of the present embodiment dns server, common domain name mapping feedback mechanism is normally man-to-man, an i.e. domain name correspondence feedback mailing address, and in the present embodiment, the domain name of Internet data center for the purpose of the domain name of the request analysis that domain name mapping request is carried, and dns server feedback is the mailing address of the first network element, and be not the mailing address of object Internet data center, and the dns server in the present embodiment also carries the numbering of object Internet data center domain name in domain name mapping response.

203, user terminal sends the first application layer data bag to the first network element, and wherein, the application layer packet header of above-mentioned first application layer data bag carries the numbering of above-mentioned purpose Internet data center, and above-mentioned first network element is the access network element in accelerating network.

Wherein, the numbering of the object Internet data center that application layer packet header of above-mentioned first application layer data bag is carried, can be the numbering through encryption or the object Internet data center without encryption.

If 204, the first network element utilizes the numbering of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record mated with the numbering of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Certainly, if the first network element utilizes the numbering of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, do not obtain the next hop address record mated with the numbering of above-mentioned purpose Internet data center, then the next hop address record that can mate with the numbering of above-mentioned purpose Internet data center directly to dynamic routing management device acquisition request.Utilize the numbering of above-mentioned purpose Internet data center in the present embodiment with the first network element, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address of mating with the numbering of above-mentioned purpose Internet data center be recorded as example and be described.

205, the first network element forwards based on the mailing address of the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Wherein, down hop network element may be another network element in accelerating network, also may be certain server in object Internet data center.If down hop jumping network element is another network element in accelerating network, then this network element also can forward the first application layer data bag received according to the mode similar with the first network element.Final first application layer data bag can arrive object Internet data center.

Can find out, in the scheme of the present embodiment, after the first network element as transfer network element in accelerating network receives the first application layer data bag of user terminal, based on the next hop address record that dynamic routing management device issues, determine the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the numbering of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the numberings according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, technique scheme is conducive to improving data relay network element to the flexibility of user application layer packet route processing, and then improve the accessibility of user terminal access object IDC, and then be conducive to promoting consumer products experience.

Refer to Fig. 3, Fig. 3 is the schematic flow sheet of the another kind of data transmission method that another embodiment of the present invention provides.Wherein, as shown in Figure 3, the another kind of data transmission method that another embodiment of the present invention provides can comprise following content:

301, user terminal is to the request of dns server sending domain name analysis.

Wherein, the domain name of object Internet data center and the area identification in the current residing region of user terminal are carried in above-mentioned domain name mapping request.

302, the domain name mapping that dns server sends for responding above-mentioned domain name mapping request to user terminal responds, and wherein, carries the numbering of above-mentioned purpose Internet data center domain name and the mailing address of the first network element in domain name mapping response.

303, user terminal sends the first application layer data bag to the first network element, and wherein, the application layer packet header of above-mentioned first application layer data bag carries the numbering of above-mentioned purpose Internet data center, and above-mentioned first network element is the access network element in accelerating network.

Wherein, the numbering of the object Internet data center that the first application layer data bag carries, can be the numbering through encryption or the object Internet data center without encryption.

304, if the first network element utilizes the numbering of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the K1 bar next hop address record mated with the numbering of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the wherein next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.Wherein, K and K1 is positive integer, and such as K and K1 can be greater than 1 etc.

Certainly, if the first network element utilizes the numbering of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, do not obtain any next hop address record mated with the numbering of above-mentioned purpose Internet data center, then the next hop address record that can mate with the numbering of above-mentioned purpose Internet data center directly to dynamic routing management device acquisition request.Utilize the numbering of above-mentioned purpose Internet data center in the present embodiment with the first network element, among the K bar next hop address record issued by dynamic routing management device, obtain at least one next hop address of mating with the numbering of above-mentioned purpose Internet data center be recorded as example and be described.

In some embodiments of the invention, each network element in accelerating network all can the regular or irregular packet loss reporting self to dynamic routing management device, the operating state such as load and/or propagation delay time, each network element in accelerating network also can report the interconnecting relation between self and other accelerating network network element (such as direct-connected or indirectly connected relation) etc. to dynamic routing management device, so that dynamic routing management device can know the interconnected situation in accelerating network between each network element, know each network element packet loss in accelerating network, the operating state such as load and/or propagation delay time.Dynamic routing management device can based on information such as the operating states of OSPF and/or alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, and then some next hop address records (numbering of object Internet data center and the mailing address etc. of down hop network element can be recorded in next hop address record) can be issued to the appropriate section in accelerating network or whole network element.

Wherein, because each network element in accelerating network is regular or the irregular packet loss of self reported to dynamic routing management device, the operating state such as load and/or propagation delay time may change dynamically in real time, if therefore dynamic routing management device is based on the operating state of OSPF and alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, then certain network element of calculating of dynamic routing management device may change dynamically to the routed path of some or multiple object Internet data center, therefore, when the routed path calculated changes, dynamic routing management device can issue some the next hop address records (can record the numbering of object Internet data center and the mailing address etc. of down hop network element in next hop address record) of latest edition to the respective network elements in accelerating network.

Wherein, in some embodiments of the invention, above-mentioned down hop net element communication address of will record in the wherein next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, can comprise: by the down hop net element communication address of recording in any next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by the down hop net element communication address of recording in the first next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, the down hop network element corresponding to down hop net element communication address recorded in first next hop address record, successfully carried out communication with above-mentioned first network element in distance current time preset duration.Certainly, also by the down hop net element communication address that other mechanism will record in which the bar next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

305, the first network element forwards based on the mailing address of the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Refer to Fig. 4, Fig. 4 is the schematic flow sheet of the another kind of data transmission method that another embodiment of the present invention provides.Wherein, as shown in Figure 4, the another kind of data transmission method that another embodiment of the present invention provides can comprise following content:

401, user terminal is to the request of dns server sending domain name analysis.

402, the domain name mapping that dns server sends for responding above-mentioned domain name mapping request to user terminal responds, and wherein, carries the numbering of above-mentioned purpose Internet data center domain name and the mailing address of the first network element in domain name mapping response.

403, user terminal sends the first application layer data bag to the first network element, and wherein, the application layer packet header of above-mentioned first application layer data bag carries the numbering of above-mentioned purpose Internet data center, and above-mentioned first network element is the access network element in accelerating network.

Wherein, the numbering of the object Internet data center that the first application layer data bag carries, can be the numbering through encryption or the object Internet data center without encryption.Fig. 2-b citing shows a kind of structure of the first application layer data bag, wherein, application layer packet header carries the numbering of object Internet data center, and application layer packet header also carries the length of the first application layer data bag, out of Memory can also be carried in certain application layer packet header, such as user terminal ID.

404, the first network element sends the next hop address request message carrying the numbering of above-mentioned purpose Internet data center to dynamic routing management device.

405, first network element receives the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, wherein, above-mentioned next hop address request response carries the mailing address of N number of down hop network element, first network element is by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned N is positive integer, above-mentioned down hop network element is the network element in accelerating network or the network element in non-accelerating network.

In some embodiments of the invention, each network element in accelerating network can regular or irregular packet loss, the operating state such as load and/or propagation delay time reporting self to dynamic routing management device, each network element in accelerating network also can report the interconnecting relation between self and other accelerating network network element (such as direct-connected or indirectly connected relation) etc. to dynamic routing management device, so that dynamic routing management device can know the interconnected situation in accelerating network between each network element, know the operating state such as each network element packet loss, load and/or propagation delay time in accelerating network.After receiving the next hop address request message from the first network element, dynamic routing management device can based on information such as the operating states of OSPF and alternative down hop network element, calculate the routed path of the first network element to object Internet data center, and then the mailing address of optional N number of down hop network element can be issued to the first network element.Wherein, the mailing address of each down hop network element may correspond to the mailing address of different object Internet data centers.

Wherein, due to each network element in accelerating network can the regular or irregular operating state such as the packet loss of self, load and/or propagation delay time reported to dynamic routing management device may dynamic change in real time, therefore when different when, dynamic routing management device is based on the information such as operating state of OSPF and alternative down hop network element, and the first network element calculated may be not quite similar to the routed path of object Internet data center.Therefore, the mailing address of the dynamic down hop network element obtained from dynamic routing manager is normally current more excellent or optimum in real time.

Wherein, in some embodiments of the invention, first network element is by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, can comprise: by the mailing address of any one the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or by the mailing address of the first down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned first down hop network element and above-mentioned first network element successfully carried out communication in distance current time preset duration.Certainly, also by the mailing address of other mechanism by which the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

406, the first network element forwards based on the mailing address of the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Can find out, in the scheme of the present embodiment, after the first network element as transfer network element in accelerating network receives the first application layer data bag of user terminal, the feedback based on dynamic routing management device determines the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the numbering of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the numberings according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, technique scheme is conducive to improving data relay network element to the flexibility of user application layer packet route processing, and then improve the accessibility of user terminal access object IDC, and then be conducive to promoting consumer products experience.

Refer to Fig. 5, Fig. 5 is the schematic flow sheet of the another kind of data transmission method that another embodiment of the present invention provides.Wherein, as shown in Figure 5, the another kind of data transmission method that another embodiment of the present invention provides can comprise following content:

501, user terminal is to the request of dns server sending domain name analysis.

502, the domain name mapping that dns server sends for responding above-mentioned domain name mapping request to user terminal responds, and wherein, carries the numbering of above-mentioned purpose Internet data center domain name and the mailing address of the first network element in domain name mapping response.

503, user terminal sends the first application layer data bag to the first network element, and wherein, the application layer packet header of above-mentioned first application layer data bag carries the numbering of above-mentioned purpose Internet data center, and above-mentioned first network element is the access network element in accelerating network.

504, the first network element sends the next hop address request message carrying the numbering of above-mentioned purpose Internet data center to dynamic routing management device.

505, the first network element receives the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns.

Wherein, above-mentioned next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of object Internet data center, wherein, above-mentioned N is positive integer, and above-mentioned down hop network element is the network element in accelerating network or the network element in non-accelerating network.

506, after the first network element detects the communication abnormality between above-mentioned first network element and above-mentioned N number of down hop network element, first network element by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined;

In addition, if the first network element detects that the communication between n1 down hop network element in above-mentioned first network element and above-mentioned N number of down hop network element is normal, first network element by one of them mailing address in the mailing address of said n 1 down hop network element, as the mailing address of down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, in some embodiments of the invention, first network element is by the mailing address of one of them the down hop network element in the mailing address of said n 1 down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, can comprise: by the mailing address of any one the down hop network element in the mailing address of said n 1 down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or by the mailing address of the first down hop network element in the mailing address of said n 1 down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned first down hop network element and above-mentioned first network element successfully carried out communication in distance current time preset duration.Certainly, also by the mailing address of other mechanism by which the down hop network element in the mailing address of said n 1 down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

507, the first network element forwards based on the mailing address of the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Wherein, in the present embodiment for above-mentioned down hop network element for another network element in accelerating network.If down hop jumping network element is another network element in accelerating network, then this network element also can forward the first application layer data bag received according to the mode similar with the first network element.Final first application layer data bag can arrive object Internet data center.

Refer to Fig. 6, Fig. 6 is the schematic flow sheet of the another kind of data transmission method that another embodiment of the present invention provides.Wherein, as shown in Figure 6, the another kind of data transmission method that another embodiment of the present invention provides can comprise following content:

601, user terminal is to the request of dns server sending domain name analysis.

602, the domain name mapping that dns server sends for responding above-mentioned domain name mapping request to user terminal responds, and wherein, carries n2 mailing address of above-mentioned purpose Internet data center domain name and the mailing address of the first network element in domain name mapping response.

Can find, domain name mapping feedback mechanism difference and the common domain name mapping feedback mechanism of the present embodiment dns server, common domain name mapping feedback mechanism is normally man-to-man, an i.e. domain name correspondence feedback mailing address, and in the present embodiment, the domain name of Internet data center for the purpose of the domain name of the request analysis that domain name mapping request is carried, and dns server feedback is the mailing address of the first network element and the mailing address of object Internet data center, namely a domain name can corresponding feedback two mailing addresses.

603, user terminal sends the first application layer data bag to the first network element, and wherein, the application layer packet header of above-mentioned first application layer data bag carries one of them mailing address in said n 2 mailing addresses of above-mentioned purpose Internet data center.Above-mentioned first network element is the access network element in accelerating network.

If 604, the first network element utilizes the mailing address of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record mated with the mailing address of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Certainly, if the first network element utilizes the mailing address of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, do not obtain the next hop address record mated with the mailing address of above-mentioned purpose Internet data center, then the next hop address record that can mate with the mailing address of above-mentioned purpose Internet data center directly to dynamic routing management device acquisition request.Utilize the mailing address of above-mentioned purpose Internet data center in the present embodiment with the first network element, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address of mating with the mailing address of above-mentioned purpose Internet data center be recorded as example and be described.

In some embodiments of the invention, each network element in accelerating network can regular or irregular packet loss, the operating state such as load and/or propagation delay time reporting self to dynamic routing management device, each network element in accelerating network also can report the interconnecting relation between self and other accelerating network network element (such as direct-connected or indirectly connected relation) etc. to dynamic routing management device, so that dynamic routing management device can know the interconnected situation in accelerating network between each network element, know the operating state such as each network element packet loss, load and/or propagation delay time in accelerating network.Dynamic routing management device can based on information such as the operating states of OSPF and/or alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, and then some next hop address records (mailing address of object Internet data center and the mailing address etc. of down hop network element can be recorded in next hop address record) can be issued to the part or all of network element in accelerating network.Wherein, because each network element in accelerating network can the regular or irregular packet loss of self reported to dynamic routing management device, the operating state such as load and/or propagation delay time may change dynamically in real time, therefore, if dynamic routing management device is based on the operating state of OSPF and alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, what then dynamic routing management device calculated arrives routed path possibility dynamic change that is some or multiple object Internet data center, therefore, when the routed path calculated changes, dynamic routing management device can issue some the next hop address records (can record the mailing address of object Internet data center and the mailing address etc. of down hop network element in next hop address record) of latest edition to the respective network elements in accelerating network.

605, the first network element forwards based on the mailing address of the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Can find out, in the scheme of the present embodiment, after the first network element as transfer network element in accelerating network receives the first application layer data bag of user terminal, based on the next hop address record that dynamic routing management device issues, determine the mailing address of the down hop network element of the first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the mailing address of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the mailing addresses according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, technique scheme is conducive to improving data relay network element to the flexibility of user application layer packet route processing, and then improves the accessibility of user terminal access object IDC.

Refer to Fig. 7, Fig. 7 is the schematic flow sheet of the another kind of data transmission method that another embodiment of the present invention provides.Wherein, as shown in Figure 7, the another kind of data transmission method that another embodiment of the present invention provides can comprise following content:

701, user terminal is to the request of dns server sending domain name analysis.

702, the domain name mapping that dns server sends for responding above-mentioned domain name mapping request to user terminal responds, and wherein, carries n2 mailing address of above-mentioned purpose Internet data center domain name and the mailing address of the first network element in domain name mapping response.

703, user terminal sends the first application layer data bag to the first network element, and wherein, the application layer packet header of above-mentioned first application layer data bag carries one of them mailing address in said n 2 mailing addresses of above-mentioned purpose Internet data center.

Above-mentioned first network element is the access network element in accelerating network.

704, the first network element sends the next hop address request message carrying the mailing address of above-mentioned purpose Internet data center to dynamic routing management device.

705, the first network element receives the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, wherein, above-mentioned next hop address request response carries the mailing address of down hop network element, the mailing address of the above-mentioned down hop network element that above-mentioned next hop address request response is carried by the first network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, above-mentioned down hop network element is the network element in accelerating network or the network element in non-accelerating network.

706, the first network element forwards based on the mailing address of the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Can find out, in the scheme of the present embodiment, after the first network element as transfer network element in accelerating network receives the first application layer data bag of user terminal, the feedback based on dynamic routing management device determines the mailing address of the down hop network element of the first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the mailing address of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the mailing addresses according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, technique scheme is conducive to improving data relay network element to the flexibility of user application layer packet route processing, and then improves the accessibility of user terminal access object IDC.

For ease of better implementing the such scheme of the embodiment of the present invention, be also provided for the relevant apparatus implementing such scheme below.

See Fig. 8, a kind of data transmission device 800 that the embodiment of the present invention provides, can comprise:

Receiving element 810, determining unit 820 and retransmission unit 830.

Receiving element 810, for receiving the first application layer data bag of user terminal, the application layer packet header of above-mentioned first application layer data bag carries the identification information of object Internet data center.

Determining unit 820, the identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission.

Retransmission unit 830, forwards for the mailing address based on the above-mentioned down hop network element determined the above-mentioned first application layer data bag received to above-mentioned down hop network element.

In some embodiments of the invention, determining unit 820 can be specifically for, if utilize the identification information of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record with the identification information match of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

In some embodiments of the invention, above-mentioned among the K bar next hop address record issued by dynamic routing management device, obtain the aspect with the next hop address record of the identification information match of above-mentioned purpose Internet data center, determining unit 820 can be specifically for, among the K bar next hop address record of the latest edition issued by dynamic routing management device, obtain the next hop address record with the identification information match of above-mentioned purpose Internet data center.

In other embodiments of the present invention, determining unit 820 can be specifically for, sends the next hop address request message carrying the identification information of above-mentioned purpose Internet data center to dynamic routing management device, receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, wherein, above-mentioned next hop address request response carries the mailing address of N number of down hop network element, by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned N is positive integer, above-mentioned down hop network element is the network element in accelerating network or the network element in non-accelerating network.

In other embodiments of the present invention, determining unit 820 can be specifically for, above-mentioned determining unit specifically for, send the next hop address request message carrying the identification information of above-mentioned purpose Internet data center to dynamic routing management device; Receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, above-mentioned next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of above-mentioned purpose Internet data center, N number of mailing address of above-mentioned purpose Internet data center and the mailing address one_to_one corresponding of above-mentioned N number of down hop network element;

By the mailing address of one of them the down hop network element among the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

In some embodiments of the invention, above-mentioned by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the aspect of the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, determining unit 820 can be specifically for, after the communication abnormality between above-mentioned first network element and above-mentioned N number of down hop network element being detected, by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

In some embodiments of the invention, at the above-mentioned mailing address by one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the aspect of the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, determining unit 820 can be specifically for, by the mailing address of any one the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by the mailing address of the first down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned first down hop network element and above-mentioned first network element successfully carried out communication in distance current time preset duration.

In some embodiments of the invention, the domain name of the numbering of Internet data center for the purpose of the identification information of above-mentioned purpose Internet data center, the mailing address of above-mentioned purpose Internet data center and/or above-mentioned purpose Internet data center.

Wherein, data transmission device 800 can be the first network element and maybe can be deployed among the first network element, and the first network element can be any one network element in accelerating network, and such as the first network element can be access network element in accelerating network or non-access network element.

Be understandable that, the function of each functional module of the data transmission device 800 of the present embodiment can according to the method specific implementation in said method embodiment, and its specific implementation process with reference to the associated description of said method embodiment, can repeat no more herein.

Can find out, in the scheme of the present embodiment, after the first network element as transfer network element in accelerating network receives the first application layer data bag of user terminal, the identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the identification information of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the identification informations according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, the technique scheme that the embodiment of the present invention provides is conducive to improving data relay network element to the flexibility of user application layer packet route processing and specific aim, and then improve the accessibility of user terminal access object IDC, and then be conducive to promoting consumer products experience.

See the structured flowchart that Fig. 9, Fig. 9 are the network elements 900 that another embodiment of the present invention provides.

Wherein, network element 900 can comprise: at least one processor 901, at least one network interface 904 or other user interface 903, memory 905, at least one communication bus 902.Communication bus 902 is for realizing the connection communication between these assemblies.Wherein, this network element 900 optionally comprises user interface 903, comprise display (such as touch-screen, LCD, CRT, holographic imaging (Holographic) or projection (Projector) etc.), pointing device (such as, mouse, trace ball (trackball) touch-sensitive plate or touch-screen etc.), camera and/or sound pick up equipment etc.

Wherein, memory 902 can comprise read-only memory and random access memory, and provides instruction and data to processor 901.A part in memory 902 can also comprise nonvolatile RAM (NVRAM).

In some embodiments, memory 905 stores following element, executable module or data structure, or their subset, or their superset:

Operating system 9051, comprises various system program, for realizing various basic business and processing hardware based task;

Application program module 9052, comprises various application program, for realizing various applied business.

Receiving element 810, determining unit 820 and/or retransmission unit 830 etc. are included but not limited in application program module 9052.

In embodiments of the present invention, by calling program or the instruction of memory 905 storage, processor 901 is for receiving the first application layer data bag of user terminal, the application layer packet header of above-mentioned first application layer data bag carries the identification information of object Internet data center, and said network element 900 is the network element in accelerating network; The identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Wherein, network element 900 can be any one network element in accelerating network, and network element 900 can be access network element in accelerating network or non-access network element.

Wherein, network element 900 may directly receive the first application layer data bag of user terminal, also can receive by other network element the first application layer data bag of user terminal.Such as, user terminal by the first application layer data (wherein, the application layer packet header of the first application layer data bag carries the identification information of object Internet data center) bag send to the second network element, second network element using network element 900 as determine to the down hop network element of above-mentioned second network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, therefore, second network element by the first application layer data Packet forwarding namely to down hop network element (herein network element 900), processor 901 receives the first application layer data bag of user terminal accordingly by the second network element.That is, one or more transfer network element can be had between network element 900 and user terminal, also without any transfer network element between network element 900 and user terminal.

Wherein, the identification information of the object Internet data center that above-mentioned first application layer data bag carries, can be the identification information through encryption or the object Internet data center without encryption.

In some embodiments of the invention, the identification information of above-mentioned purpose Internet data center can for the purpose of the numbering of Internet data center, the mailing address of above-mentioned purpose Internet data center and/or above-mentioned purpose Internet data center domain name.Certainly, the identification information of above-mentioned purpose Internet data center also can be other can carry out distinctive mark information to this object Internet data center.

Wherein, in some embodiments of the invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, comprise: if utilize the identification information of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record with the identification information match of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, in some embodiments of the invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, comprise: if utilize the identification information of above-mentioned purpose Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the K1 bar next hop address record with the identification information match of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the wherein next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.Above-mentioned K and K1 is positive integer, and such as K1 and K is greater than 1 etc.

Wherein, in some embodiments of the invention, above-mentioned down hop net element communication address of will record in the wherein next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, can comprise: by the down hop net element communication address of recording in any next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by the down hop net element communication address of recording in the first next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, the down hop network element corresponding to down hop net element communication address recorded in first next hop address record, successfully carried out communication with said network element 900 in distance current time preset duration.Certainly, also by the down hop net element communication address that other mechanism will record in which the bar next hop address record in the K1 bar next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

In some embodiments of the invention, each network element in accelerating network can regular or irregular packet loss, the operating state such as load and/or propagation delay time reporting self to dynamic routing management device, each network element in accelerating network also can report the interconnecting relation between self and other accelerating network network element (such as direct-connected or indirectly connected relation) etc. to dynamic routing management device, so that dynamic routing management device can know the interconnected situation in accelerating network between each network element, know the operating state such as each network element packet loss, load and/or propagation delay time in accelerating network.Dynamic routing management device can based on information such as the operating states of OSPF and/or alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, and then some next hop address records (identification information of object Internet data center and the mailing address etc. of down hop network element can be recorded in next hop address record) can be issued to the part or all of network element in accelerating network.Wherein, because each network element in accelerating network can the regular or irregular packet loss of self reported to dynamic routing management device, the operating state such as load and/or propagation delay time may change dynamically in real time, therefore, if dynamic routing management device is based on the operating state of OSPF and alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, what then dynamic routing management device calculated arrives routed path possibility dynamic change that is some or multiple object Internet data center, therefore, when the routed path calculated changes, dynamic routing management device can issue some the next hop address records (can record the identification information of object Internet data center and the mailing address etc. of down hop network element in next hop address record) of latest edition to the respective network elements in accelerating network.

Wherein, in other embodiments of the present invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, can comprise: send the next hop address request message carrying the identification information of above-mentioned purpose Internet data center to dynamic routing management device, receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, wherein, above-mentioned next hop address request response carries the mailing address of N number of down hop network element, by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned N is positive integer, above-mentioned down hop network element is the network element in accelerating network or the network element in non-accelerating network.

Wherein, in other embodiment of the present invention, the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the mailing address of the down hop network element of said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, can comprise:

The next hop address request message carrying the identification information of above-mentioned purpose Internet data center is sent to dynamic routing management device; Receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device returns, above-mentioned next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of above-mentioned purpose Internet data center, N number of mailing address of above-mentioned purpose Internet data center and the mailing address one_to_one corresponding of above-mentioned N number of down hop network element; By the mailing address of one of them the down hop network element among the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, in some embodiments of the invention, above-mentioned by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, specifically can comprise: after the communication abnormality between said network element 900 and above-mentioned N number of down hop network element being detected, by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Wherein, in some embodiments of the invention, above-mentioned by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, can comprise: by the mailing address of any one the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by the mailing address of the first down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned first down hop network element and said network element 900 successfully carried out communication in distance current time preset duration.Certainly, also by the mailing address of other mechanism by which the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

Be understandable that, the function of the network element 900 of the present embodiment can according to the method specific implementation in said method embodiment, and its specific implementation process with reference to the associated description of said method embodiment, can repeat no more herein.

Can find out, in the technical scheme of the present embodiment, after the network element 900 as transfer network element in accelerating network receives the first application layer data bag of user terminal, the identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of said network element 900 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the identification information of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the identification informations according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.Visible, to forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art, technique scheme is conducive to improving data relay network element to the flexibility of user application layer packet route processing, and then improves the accessibility of user terminal access object IDC.

There is provided a kind of communication system see Figure 10-a, the embodiment of the present invention, can comprise:

First network element 1010 and object Internet data center 1020.

Wherein, the first network element 1010 is for receiving the first application layer data bag of user terminal, and the application layer packet header of above-mentioned first application layer data bag carries the identification information of object Internet data center 1020, and above-mentioned first network element is the network element in accelerating network; The identification information of the above-mentioned purpose Internet data center 1020 entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element transmitting above-mentioned first network element in the routed path of above-mentioned first application layer data bag to above-mentioned purpose Internet data center 1020; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.

Figure 10-b, in some embodiments of the invention, above-mentioned communication system also can comprise dynamic routing management device 1030.

In some embodiments of the invention, each network element in accelerating network all can the regular or irregular packet loss reporting self to dynamic routing (drouter) manager, the operating state such as load and/or propagation delay time, each network element in accelerating network also can report the interconnecting relation between self and other accelerating network network element (such as direct-connected or indirectly connected relation) etc. to dynamic routing management device 1030, so that dynamic routing management device 1030 can know the interconnected situation in accelerating network between each network element, know each network element packet loss in accelerating network, the operating state such as load and/or propagation delay time.Dynamic routing management device 1030 can based on information such as the operating states of OSPF and/or alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, and then some next hop address records (identification information of object Internet data center and the mailing address etc. of down hop network element can be recorded in next hop address record) can be issued to the appropriate section in accelerating network or whole network element.

Wherein, because each network element in accelerating network is regular or the irregular packet loss of self reported to dynamic routing management device 1030, the operating state such as load and/or propagation delay time may change dynamically in real time, if therefore dynamic routing management device 1030 is based on the operating state of OSPF and alternative down hop network element, calculate the routed path of the part or all of network element in accelerating network to some or multiple object Internet data center, then certain network element of calculating of dynamic routing management device 1030 may change dynamically to the routed path of some or multiple object Internet data center, therefore, when the routed path calculated changes, dynamic routing management device 1030 can issue some the next hop address records (can record the identification information of object Internet data center and the mailing address etc. of down hop network element in next hop address record) of latest edition to the respective network elements in accelerating network.

Wherein, at the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the aspect of the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, above-mentioned first network element 1010 can be specifically for, if utilize the identification information of above-mentioned purpose Internet data center, among the K bar next hop address record issued by above-mentioned dynamic routing management device 1030, obtain the next hop address record with the identification information match of above-mentioned purpose Internet data center, the down hop net element communication address of then will record in the next hop address record of above-mentioned coupling, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined.

In some embodiments of the invention, at the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the aspect of the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, above-mentioned first network element 1010 specifically for, send the next hop address request message carrying the identification information of above-mentioned purpose Internet data center to above-mentioned dynamic routing management device 1030, receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device 1030 returns, wherein, above-mentioned next hop address request response carries the mailing address of N number of down hop network element, by the mailing address of one of them the down hop network element in the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, wherein, above-mentioned N is positive integer, above-mentioned down hop network element is the network element in accelerating network or the network element in non-accelerating network,

Wherein, in some embodiments of the invention, above-mentioned dynamic routing management device 1030 for, after receiving the above-mentioned next hop address request message from above-mentioned first network element, based on the identification information of the above-mentioned purpose Internet data center that above-mentioned next hop address request message carries, determine N number of mailing address of above-mentioned purpose Internet data center, based on the operating state of OSPF and/or alternative down hop network element, determine the mailing address of down hop network element corresponding to each mailing address in N number of mailing address, the above-mentioned next hop address request response for responding above-mentioned next hop address request message is sent to above-mentioned first network element.

In some embodiments of the invention, wherein, at the identification information of above-mentioned above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determine the aspect of the mailing address of the down hop network element of above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission, above-mentioned first network element specifically for, send the next hop address request message carrying the identification information of above-mentioned purpose Internet data center to above-mentioned dynamic routing management device 1030; Receive the next hop address request response for responding above-mentioned next hop address request message that above-mentioned dynamic routing management device 1030 returns, above-mentioned next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of above-mentioned purpose Internet data center, N number of mailing address of above-mentioned purpose Internet data center and the mailing address one_to_one corresponding of above-mentioned N number of down hop network element; By the mailing address of one of them the down hop network element among the mailing address of above-mentioned N number of down hop network element, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined, or, by one of them mailing address in N number of mailing address of above-mentioned purpose Internet data center, as the mailing address of the down hop network element to above-mentioned first network element in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission determined;

Wherein, above-mentioned dynamic routing management device 1030 for, after receiving the above-mentioned next hop address request message from above-mentioned first network element, based on the identification information of the above-mentioned purpose Internet data center that above-mentioned next hop address request message carries, determine N number of mailing address of above-mentioned purpose Internet data center, based on the operating state of OSPF and/or alternative down hop network element, determine the mailing address of down hop network element corresponding to each mailing address in N number of mailing address, the above-mentioned next hop address request response for responding above-mentioned next hop address request message is sent to above-mentioned first network element.

In some embodiments of the invention, above-mentioned communication system also comprises dns server;

Wherein, dns server, for receiving the name analysis request from above-mentioned user terminal, the domain name of object Internet data center and the area identification in the current residing region of user terminal are carried in above-mentioned domain name mapping request; Sending the domain name mapping response for responding above-mentioned domain name mapping request to above-mentioned user terminal, in above-mentioned domain name mapping response, carrying the numbering of above-mentioned purpose Internet data center domain name and the mailing address of above-mentioned first network element 1010.Wherein, the first network element 1010 and the current residing Region Matching of user terminal.

In other embodiments of the present invention, dns server, can be used for receiving the name analysis request from above-mentioned user terminal, and the domain name of object Internet data center and the area identification in the current residing region of user terminal are carried in above-mentioned domain name mapping request; Sending the domain name mapping response for responding above-mentioned domain name mapping request to above-mentioned user terminal, in above-mentioned domain name mapping response, carrying n2 mailing address of above-mentioned purpose Internet data center domain name and the mailing address of above-mentioned first network element 1010.Wherein, the first network element 1010 and the current residing Region Matching of user terminal.

Be understandable that, the function of the network element such as dynamic routing management device, dns server, the first network element of the present embodiment can according to the method specific implementation in said method embodiment, its specific implementation process with reference to the associated description of said method embodiment, can repeat no more herein.

Can find out, in the technical scheme of the present embodiment, after the first network element 1010 as transfer network element in accelerating network receives the first application layer data bag of user terminal, the identification information of the above-mentioned purpose Internet data center entrained by the application layer packet header of above-mentioned first application layer data bag, determines the mailing address of the down hop network element of the first network element 1010 in the routed path of the above-mentioned first application layer data bag of above-mentioned purpose Internet data center transmission; Mailing address based on the above-mentioned down hop network element determined forwards the above-mentioned first application layer data bag received to above-mentioned down hop network element.Due to the first application layer data bag application layer packet header entrained by the identification information of above-mentioned purpose Internet data center, each transfer network element in accelerating network is after the application layer data bag receiving user terminal, all the identification informations according to above-mentioned purpose Internet data center, determine the mailing address of the down hop network element transmitting this network element in the routed path of above-mentioned application layer data bag to above-mentioned purpose Internet data center, and then utilize the mailing address down hop network element of down hop network element to forward the application layer data bag received, this be just conducive to making the application layer data bag of user terminal can arrive user terminal just really want access object Internet data center.To forward for the packet that receives directly to specific ID C relative to transfer network element of the prior art as seen, technique scheme is conducive to improving data relay network element to the flexibility of user application layer packet route processing, and then improves the accessibility of user terminal access object IDC.

It should be noted that, for aforesaid each embodiment of the method, in order to simple description, therefore it is all expressed as a series of combination of actions, but those skilled in the art should know, the present invention is not by the restriction of described sequence of movement, because according to the present invention, some step can adopt other order or carry out simultaneously.Secondly, those skilled in the art also should know, the embodiment described in specification all belongs to preferred embodiment, and involved action and module might not be that the present invention is necessary.

In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiment.

In several embodiments that the application provides, should be understood that, disclosed device, the mode by other realizes.Such as, device embodiment described above is only schematic, the such as division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical or other form.

The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.

In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.

If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.

The above, above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

1. a data transmission method, is characterized in that, comprising:

2. method according to claim 1, it is characterized in that, the identification information of described described object Internet data center entrained by the application layer packet header of described first application layer data bag, determine the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission, comprising:

If utilize the identification information of described object Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record with the identification information match of described object Internet data center, the down hop net element communication address of then will record in the next hop address record of described coupling, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element.

3. method according to claim 2, it is characterized in that, described among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record with the identification information match of described object Internet data center, comprise: among the K bar next hop address record of the latest edition issued by dynamic routing management device, obtain the next hop address record with the identification information match of described object Internet data center.

4. method according to claim 1, it is characterized in that, the identification information of described described object Internet data center entrained by the application layer packet header of described first application layer data bag, determine the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission, comprising: send the next hop address request message carrying the identification information of described object Internet data center to dynamic routing management device, receive the next hop address request response for responding described next hop address request message that described dynamic routing management device returns, wherein, described next hop address request response carries the mailing address of N number of down hop network element, by the mailing address of one of them the down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, wherein, described N is positive integer, described down hop network element is the network element in accelerating network or the network element in non-accelerating network.

5. method according to claim 1, it is characterized in that, the identification information of described described object Internet data center entrained by the application layer packet header of described first application layer data bag, determine the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission, comprising:

The next hop address request message carrying the identification information of described object Internet data center is sent to dynamic routing management device; Receive the next hop address request response for responding described next hop address request message that described dynamic routing management device returns, described next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of described object Internet data center, N number of mailing address of described object Internet data center and the mailing address one_to_one corresponding of described N number of down hop network element;

By the mailing address of one of them the down hop network element among the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, or, by one of them mailing address in N number of mailing address of described object Internet data center, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element.

6. method according to claim 5, it is characterized in that, described by one of them mailing address in N number of mailing address of described object Internet data center, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, comprise: after the communication abnormality between described first network element and described N number of down hop network element being detected, by one of them mailing address in N number of mailing address of described object Internet data center, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element.

7. the method according to any one of claim 4 to 5, it is characterized in that, described by the mailing address of one of them the down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, comprising:

By the mailing address of any one the down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element; Or, by the mailing address of the first down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, wherein, described first down hop network element and described first network element successfully carried out communication in distance current time preset duration.

8. the method according to any one of claim 1 to 6, is characterized in that, the identification information of the object Internet data center that described first application layer data bag carries, and is the identification information of the object Internet data center through encryption.

9. the method according to any one of claim 1 to 6, it is characterized in that, the domain name of the numbering of Internet data center for the purpose of the identification information of described object Internet data center, the mailing address of described object Internet data center and/or described object Internet data center.

10. a data transmission device, is characterized in that, comprising:

11. devices according to claim 10, is characterized in that,

Described determining unit specifically for, if utilize the identification information of described object Internet data center, among the K bar next hop address record issued by dynamic routing management device, obtain the next hop address record with the identification information match of described object Internet data center, the down hop net element communication address of then will record in the next hop address record of described coupling, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element.

12. devices according to claim 11, it is characterized in that, described among the K bar next hop address record issued by dynamic routing management device, obtain the aspect with the next hop address record of the identification information match of described object Internet data center, described determining unit specifically for, among the K bar next hop address record of the latest edition issued by dynamic routing management device, obtain the next hop address record with the identification information match of described object Internet data center.

13. devices according to claim 10, is characterized in that,

Described determining unit specifically for, send to dynamic routing management device and carry the next hop address request message of the identification information of described object Internet data center, receive the next hop address request response for responding described next hop address request message that described dynamic routing management device returns, wherein, described next hop address request response carries the mailing address of N number of down hop network element, by the mailing address of one of them the down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, wherein, described N is positive integer, described down hop network element is the network element in accelerating network or the network element in non-accelerating network.

14. devices according to claim 10, is characterized in that,

Described determining unit specifically for, send to dynamic routing management device and carry the next hop address request message of the identification information of described object Internet data center; Receive the next hop address request response for responding described next hop address request message that described dynamic routing management device returns, described next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of described object Internet data center, N number of mailing address of described object Internet data center and the mailing address one_to_one corresponding of described N number of down hop network element;

15. devices according to claim 14, it is characterized in that, described by one of them mailing address in N number of mailing address of described object Internet data center, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the aspect of mailing address of down hop network element of the first network element, described determining unit specifically for, after the communication abnormality between described first network element and described N number of down hop network element being detected, by one of them mailing address in N number of mailing address of described object Internet data center, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element.

16. according to claim 13 to the device described in 14 any one, it is characterized in that, at the described mailing address by one of them the down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the aspect of mailing address of down hop network element of the first network element, described determining unit specifically for, by the mailing address of any one the down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, or, by the mailing address of the first down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, wherein, described first down hop network element and described first network element successfully carried out communication in distance current time preset duration.

17. according to claim 10 to the device described in 16 any one, it is characterized in that, the domain name of the numbering of Internet data center for the purpose of the identification information of described object Internet data center, the mailing address of described object Internet data center and/or described object Internet data center.

18. 1 kinds of communication systems, is characterized in that, comprising:

First network element and object Internet data center;

19. communication systems according to claim 18, is characterized in that,

Described communication system also comprises dynamic routing management device,

Wherein, at the identification information of described described object Internet data center entrained by the application layer packet header of described first application layer data bag, determine the aspect of the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission, described first network element specifically for, if utilize the identification information of described object Internet data center, among the K bar next hop address record issued by described dynamic routing management device, obtain the next hop address record with the identification information match of described object Internet data center, the down hop net element communication address of then will record in the next hop address record of described coupling, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element.

20. communication systems according to claim 18, is characterized in that,

Wherein, at the identification information of described described object Internet data center entrained by the application layer packet header of described first application layer data bag, determine the aspect of the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission, described first network element specifically for, send the next hop address request message carrying the identification information of described object Internet data center to described dynamic routing management device, receive the next hop address request response for responding described next hop address request message that described dynamic routing management device returns, wherein, described next hop address request response carries the mailing address of N number of down hop network element, by the mailing address of one of them the down hop network element in the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, wherein, described N is positive integer, described down hop network element is the network element in accelerating network or the network element in non-accelerating network,

Wherein, described dynamic routing management device is used for, after receiving the described next hop address request message from described first network element, based on the identification information of the described object Internet data center that described next hop address request message carries, determine N number of mailing address of described object Internet data center, based on the operating state of OSPF and/or alternative down hop network element, determine the mailing address of down hop network element corresponding to each mailing address in N number of mailing address, the described next hop address request response for responding described next hop address request message is sent to described first network element.

21. communication systems according to claim 18, is characterized in that,

Described communication system also comprises dynamic routing management device;

Wherein, at the identification information of described described object Internet data center entrained by the application layer packet header of described first application layer data bag, determine the aspect of the mailing address of the down hop network element of the first network element described in the routed path to the described first application layer data bag of described object Internet data center transmission, described first network element specifically for, send the next hop address request message carrying the identification information of described object Internet data center to described dynamic routing management device; Receive the next hop address request response for responding described next hop address request message that described dynamic routing management device returns, described next hop address request response carries the mailing address of N number of down hop network element and N number of mailing address of described object Internet data center, N number of mailing address of described object Internet data center and the mailing address one_to_one corresponding of described N number of down hop network element; By the mailing address of one of them the down hop network element among the mailing address of described N number of down hop network element, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element, or, by one of them mailing address in N number of mailing address of described object Internet data center, as determine to the described first application layer data bag of described object Internet data center transmission routed path described in the mailing address of down hop network element of the first network element;

22. according to claim 18 to the communication system described in 21 any one, it is characterized in that, the domain name of the numbering of Internet data center for the purpose of the identification information of described object Internet data center, the mailing address of described object Internet data center and/or described object Internet data center.