CN101090377A - Implementing method for multi-service data flow selecting on gateway - Google Patents
Implementing method for multi-service data flow selecting on gateway Download PDFInfo
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Abstract
This invention discloses a realization method for selecting paths by multi-service data flows on gateway including: setting up a binding relation between service link and service kind, when a gateway receives service, it looks for a service link binded with the service kind as the transmission channel of the service to transmit it so as to realize speciality of service links from the source and increase the usability of network resources greatly by isolating service flows.
Description
Technical field
The present invention relates to a kind of computer network communication technology, specifically, relate to a kind of implementation method of multi-service data flow selecting on gateway.
Background technology
Along with the continuous development of the Internet and application technology thereof, people utilize the Internet can carry out more and more abundanter application and service.As the door of people's access internet, more and more abundanter network application business that gateway is integrated.Except basic business of networking is provided for the user, also provide Internet video, the networking telephone, Web bank, video monitoring or the like business.Simultaneously, Virtual network operators also come user gateway is managed maintenance by realization telemanagement business on gateway device.
The needed Internet resources difference of different Networks, operator is also different to the service fee that the user collects.How to guarantee that the resource specificity of Network and having reasonable fee property are the right problems of operator's demand side, and the solution basis of this problem is the realization of service link specificity.
Usually, multiple services Route Selection is carried out according to purpose IP address on the conventional user gateway, promptly carries out routing according to the peer IP address that will connect.This mode can also correctly be worked on the gateway of simple route, but in today that Network emerges in large numbers rapidly, home gateway has also been proposed requirements at the higher level, for example needs home gateway network enabled diversity of operations.A kind of Network must corresponding one or more network link, so home gateway provides a lot of data interface channels according to the needs of networking, thereby has formed the network environment of multirouting.So-called data interface channel is exactly that network data is used for and extraneous path of communicating by letter, by the access way branch, can comprise: LAN (refers to non-dial mode, as the ether mode, the optical fiber mode) inserts, DSL (Digital Subscriber Line, digital subscriber line) inserts, the 2G that moves (refers to the access way used in the second generation mobile communication, comprise GPRS (GeneralPacket Radio Service, GPRS), CDMA95 (Code Devision MultiAccesss 95, the code division multiple access of 95 versions), or the like) insert, the 3G that moves (refers to the access way in the 3G (Third Generation) Moblie, comprise CDMA2000 (code division multiple accesss of 2000 versions), WCDMA (Wideband CDMA, Wideband Code Division Multiple Access (WCDMA)), TD-SCDMA (TimeDevision-Synchronized CDMA time division synchronous code division multiaddress) or the like) insert, wait existing and all wired or wireless access waies in the future, these access waies are all used the agreement of IP agreement as network layer.Under the situation of multirouting, it is insecure only relying on opposite end IP to carry out Route Selection, and it can cause service message " to be taken a wrong way ".More in addition, present traffic differentiation management also still is to realize by authentication and charging server on the local side apparatus of operator.Obviously, traditional multi-service way to manage is not high for utilization rate of network resource, has increased the maintenance cost of operator.
Summary of the invention
The technical issues that need to address of the present invention provide a kind of implementation method of multi-service data flow selecting on gateway, make dissimilar business can carry out the transmitting-receiving of data flow by specific data interface channel, guarantee the special use of special road, reach the reasonable use of Internet resources.
Technical scheme is as follows:
A kind of implementation method of multi-service data flow selecting on gateway, step comprises:
(1) binding relationship of structure service link and type of service;
(2) when gateway receives business, in described binding relationship, search the service link of binding with the type of service of described business;
(3) the described gateway described service link that will find carries out the transmission of described business as the transmission channel of described business.
Further, in the step (1), described type of service comprises local service or transmits professional; Described local service refers to the applied business that gateway itself provides; The professional function that refers to that the applied business that non-gateway itself provides, described gateway provide such service message to transmit of described forwarding.
Further, in the step (1), professional for transmitting, the gateway protocol stack carries out mark to all forwarding service messages that receive to be handled, the foundation of mark is the entrained parameter of described forwarding service message, described parameter be used to judge described forwarding service message the passage that can use; Described forwarding service message and its passage that can use are concerned binding, make up the relation table of message link.
Further, in the step (1), described parameter is used for business information identification, comprises mac address, VLAN ID, IP address, agreement, port, the Option field information of DHCP or the access interface of message of message.
Further comprise step (4), when described service link deletion, described binding relationship is deleted thereupon; Perhaps, when the change of described service link relation, described binding relationship changes thereupon.
Further, in the step (2), when described business was local service, inquiry business link bundling relation obtained the corresponding service link, creates described local service process socket, and binding service link interface parameters; In the step (3), described local service process message is communicated by letter with extraneous by described service link interface.
Further, in the step (2), in inquiry business link bundling relational process, if do not find and described local service corresponding service link, then described local service stops.
Further, in the step (2), after gateway receives the forwarding business, analytic message also extracts business information, retrieve described binding relationship according to described business information, obtain the link corresponding binding information, stamp the service feature mark to service message according to the described link bundling information that obtains; In the step (3),, carry out message by the described service link of binding and transmit according to described service feature indicia matched strategy routing rule.
Further, in the step (1), in the gateway protocol stack, make up the tactful route entry of the different mark value of coupling, specify the link of the data message selection of the described mark value of coupling; In the step (2), the gateway protocol stack according to the described mark value on the described message, is searched the tactful route entry of corresponding coupling E-Packeting inquiry during route for described; In the step (3), carry out message by the described service link of binding and transmit.
Further, in the step (2), if there is not link corresponding information; Then in the step (3), according to unbundling routing forwarding message.
Beneficial effect is as follows:
The present invention has realized the specificity of service link just from this source of user gateway.Isolate by realizing Business Stream, thereby greatly improved utilization rate of network resource, improved professional reliability and validity, also can reduce operating cost of operator dramatically, increase the new business income, as IP-based network TV (IPTV), video monitoring etc.
The method of the invention provides has realized that the route between the multi-service is effectively managed on the user gateway, really accomplishes the specificity of service link.And the realization of this specificity has just directly improved the effective rate of utilization of Internet resources.In addition, the present invention realizes the service link specificity on user gateway, rather than controls on operator's local side apparatus of routine, can alleviate the cost pressure of local side apparatus.Simultaneously, adopt the multi-service data flow selecting method that provides among the present invention, in conjunction with terminal use's limitation function, can further realize effective restriction of the number of users of specific transactions, make the management refinement more of operator, management intensity is stronger, and is also more reasonable.
Description of drawings
Fig. 1 is a service link binding relationship schematic diagram among the present invention;
Fig. 2 is the flow chart of the routing management of local service stream among the present invention;
Fig. 3 is the flow chart of the routing management of transfer sending service stream of the present invention.
Embodiment
When the present invention creates at service link, make up the service link relation table.When business process starts, just specify this business-binding on respective links, need carry out service marker to visit data for the processing of transmitting Business Stream and handle, the data of regulation different business are selected correct route.
Local service here the business that provides on the gateway is provided and transmits professional two classes.Local service refers to the applied business that gateway itself provides, as VOIP business, webmaster business; Transmit the professional function that refers to that the applied business that non-gateway itself provides, gateway then provide this class service message to transmit, as user's online, Integrated Access Device or Internet video.The message data stream that corresponding service produces is referred to as local service stream respectively and transmits Business Stream.
1, sets up the service link binding relationship.
When service link is created, the type of service that will attach this service link.The corresponding relation of this service link and type of service makes up a service link relation table.
When the application process of local service starts, inquire about this service link relation table.Behind the link, the network interface that this is professional and this link bundling promptly should business must and can only be linked up with extraneous by this link under finding.
For transmitting the professional link that uses, also provide the binding relationship of client's access interface and link.These access interface comprise that network title (SSID), Virtual Local Area Network, USB (USB) wait all can supply the network port of client's IAD.The foundation of this binding relationship just can realize the binding relationship and the specificity of access interface and link.
The binding relationship of this service link is deleted along with the deletion of service link, changes along with the change of service link relation.
With reference to shown in Figure 1, the service link binding relationship that gateway is set up is done detailed description.
Gateway is provided with a plurality of user access points and a plurality of outside tie point, and user access point is used to access terminal, and outside tie point is used to connect outside INTERNET network.Local service 1 and local service 2 are bound outside tie point 1 and outside tie point 2 respectively; Transmit business 1 and bind outside tie point 3 and outside tie point 5 respectively with forwarding professional 3.Wherein, transmit professional 1 user access point 1 and outside tie point 3 bindings, transmit professional 3 user access point 3 and outside tie point 5 bindings.Here, transmit professional 2 and do not bind, so its user access point 2 does not have yet and certain outside tie point binding with certain outside tie point.But, transmit professional 2 uses here so also have only the outside tie point 4 of not binding to offer owing to realized the specificity of service link.
Terminal 1, terminal 2 and terminal 3 are respectively by corresponding user access point 1, user access point 2, user access point 3 IADs.
Service link is bound the result who handles, and has guaranteed an aspect of the specificity of service link, and promptly certain business can only be linked up with extraneous from the link of being bound; Data routing is handled another aspect of then having guaranteed specificity, and promptly the link of being bound can only be for affiliated professional the use.
2, data routing is handled.
When the packet of local service process is created, according to the service link relation table, find the interface of being bound, will specify outgoing interface on the message socket, directly send when sending according to interface by protocol stack; If do not find the interface that will bind, then this business stops to carry out.This also is a method of protection business network resource.
With reference to shown in Figure 2, the routing processing procedure of local service stream is done detailed description.
Step S201: set up local service link bundling relation.
After the link establishment success, promptly set up local service link bundling relation table.
Step S202: local service process initiation.
Step S203: local service process inquiry business link bundling relation table.
Inquiry business link bundling relation table obtains corresponding binding link information.
Step S204: judge whether the binding link information that finds has link corresponding information.
If link corresponding information is arranged, execution in step S206; If do not have link corresponding information, execution in step S205.
Step S205: when not finding link corresponding information, then this business stops.
Step S206: when finding link corresponding information, create local service process socket, and binding service link interface parameters.
Step S207: all messages of local service process are communicated by letter with extraneous by this bound service link interface.
Step S208: local service process operate as normal.
Step S209: deletion link.
When the local service process finishes, delete link, corresponding service link bundling relation in the deletion service link binding relationship table.
Handle for the routing of transmitting Business Stream, because its affiliated business is not gateway itself (gateway just provides one or more passages for this business), so need the routing of these data flow be managed.The gateway protocol stack carries out mark to all forwarding service messages that receive to be handled.The foundation of mark is the entrained parameter of service message, the mac address, VLAN ID, IP address, agreement, the port that comprise message, and the peculiar information of each application protocol, Option field information as DHCP, and the access interface of message, and other can be used for judging the parameter of this business datum message.In a word, can carry and can be used as the foundation that all parameters of business information identification can serve as a mark on this message.
By these parameters, just can judge this forwarding service message the passage that can use be which or which, thereby will transmit service message and its passage that can use concerns binding, make up the message link relation table.By inquiring about this message link relation table, for this forwarding service message is stamped specific markers.On the other hand, in the gateway protocol stack, make up the tactful route entry of the different mark value of coupling, specify the data message of the some mark value of coupling must and can only select certain link.Like this, the gateway protocol stack just according to the mark value on this message, finds the tactful route entry of corresponding coupling when E-Packeting the inquiry route for these.The corresponding relation of this message link is deleted along with the deletion of link, changes along with the change of message-link relation.
With reference to shown in Figure 3, specifically do detailed description to what the routing of transmitting Business Stream was handled.
Concrete steps are as follows:
Step S301: set up and transmit the service link binding relationship.
After the link establishment success, promptly set up and transmit service link binding relationship table.
Step S302: according to binding relationship, the construction strategy routing rule.
This strategy routing rule regulation: the message that meets this service feature will be walked corresponding binding link.
Step S303: gateway receives transmits Business Stream.
Step S304: gateway is analytic message from the forwarding Business Stream that receives, and extracts business information.
Step S305:, search the link corresponding binding information according to business information retrieval service link bundling relation table.
Step S306: judge whether to find corresponding binding information.
If find, execution in step S308; Otherwise, execution in step S307.
Step S307:, then E-Packet, then execution in step S310 according to common route (unbundling route) if there is not link corresponding information.
Step S308:,, stamp the service feature mark to service message according to the link bundling information that obtains when finding corresponding binding information.
Step S309: the service message routing is handled.
According to the service feature mark, the search strategy routing table, the matching strategy routing rule carries out message by the link of binding and transmits.
Step 310: transmit service message, professional operate as normal.
Step 311: work as service ending, deletion link corresponding service link bundling relation from professional link bundling relation table.
Claims (10)
1, a kind of implementation method of multi-service data flow selecting on gateway, step comprises:
(1) binding relationship of structure service link and type of service;
(2) when gateway receives business, in described binding relationship, search the service link of binding with the type of service of described business;
(3) the described gateway described service link that will find carries out the transmission of described business as the transmission channel of described business.
2, the implementation method of multi-service data flow selecting on gateway according to claim 1 is characterized in that, in the step (1), described type of service comprises local service or transmits professional; Described local service refers to the applied business that gateway itself provides; The professional function that refers to that the applied business that non-gateway itself provides, described gateway provide such service message to transmit of described forwarding.
3, the implementation method of multi-service data flow selecting on gateway according to claim 2, it is characterized in that, in the step (1), professional for transmitting, the gateway protocol stack carries out mark to all forwarding service messages that receive to be handled, the foundation of mark is the entrained parameter of described forwarding service message, described parameter be used to judge described forwarding service message the passage that can use; Described forwarding service message and its passage that can use are concerned binding, make up the relation table of message link.
4, the implementation method of multi-service data flow selecting on gateway according to claim 3, it is characterized in that, in the step (1), described parameter is used for business information identification, comprises mac address, VLAN ID, IP address, agreement, port, the Option field information of DHCP or the access interface of message of message.
5, the implementation method of multi-service data flow selecting on gateway according to claim 1 is characterized in that, further comprises step (4), and when described service link deletion, described binding relationship is deleted thereupon; Perhaps, when the change of described service link relation, described binding relationship changes thereupon.
6, the implementation method of multi-service data flow selecting on gateway according to claim 1, it is characterized in that, in the step (2), when described business is local service, inquiry business link bundling relation, obtain the corresponding service link, create described local service process socket, and binding service link interface parameters; In the step (3), described local service process message is communicated by letter with extraneous by described service link interface.
7, the implementation method of multi-service data flow selecting on gateway according to claim 6, it is characterized in that, in the step (2), in inquiry business link bundling relational process, if do not find and described local service corresponding service link, then described local service stops.
8, the implementation method of multi-service data flow selecting on gateway according to claim 1, it is characterized in that, in the step (2), after gateway receives the forwarding business, analytic message also extracts business information, retrieve described binding relationship according to described business information, obtain the link corresponding binding information, stamp the service feature mark to service message according to the described link bundling information that obtains; In the step (3),, carry out message by the described service link of binding and transmit according to described service feature indicia matched strategy routing rule.
9, the implementation method of multi-service data flow selecting on gateway according to claim 1, it is characterized in that, in the step (1), in the gateway protocol stack, make up the tactful route entry of the different mark value of coupling, specify the link of the data message selection of the described mark value of coupling; In the step (2), the gateway protocol stack according to the described mark value on the described message, is searched the tactful route entry of corresponding coupling E-Packeting inquiry during route for described; In the step (3), carry out message by the described service link of binding and transmit.
10, according to Claim 8 or the implementation method of 9 described multi-service data flow selecting on gateway, it is characterized in that, in the step (2), if there is not link corresponding information; Then in the step (3), according to unbundling routing forwarding message.
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