CN108023830A - flow transmission method and device - Google Patents
flow transmission method and device Download PDFInfo
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- CN108023830A CN108023830A CN201711169324.8A CN201711169324A CN108023830A CN 108023830 A CN108023830 A CN 108023830A CN 201711169324 A CN201711169324 A CN 201711169324A CN 108023830 A CN108023830 A CN 108023830A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4633—Interconnection of networks using encapsulation techniques, e.g. tunneling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
- H04L41/08—Configuration management of networks or network elements
- H04L41/0896—Bandwidth or capacity management, i.e. automatically increasing or decreasing capacities
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
- H04L45/50—Routing or path finding of packets in data switching networks using label swapping, e.g. multi-protocol label switch [MPLS]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/72—Admission control; Resource allocation using reservation actions during connection setup
- H04L47/724—Admission control; Resource allocation using reservation actions during connection setup at intermediate nodes, e.g. resource reservation protocol [RSVP]
Abstract
The embodiment of the present invention provides a kind of flow transmission method and device, is related to technical field of the computer network.The method is applied to information interaction device, described information interactive device is communicated to connect with one or more access devices, the service traffics that the access device is used to carry the Virtual Private Network of access are transmitted, be provided with corresponding with all types of Virtual Private Network bandwidth and type of service in described information interactive device in advance, the described method includes：Preconfigured bandwidth corresponding with all types of Virtual Private Network and type of service are sent at least one access device, make the access device by the service traffics that Virtual Private Network is carried according to bandwidth corresponding with the Virtual Private Network of the type, the affiliated CT business of type of service corresponding with the Virtual Private Network of the type is introduced into traffic engineering tunnel, and then is transferred to described information interactive device.Using the flow transmission method and device, the transmission of service traffics can be easily realized.
Description
Technical field
The present invention relates to technical field of the computer network, in particular to a kind of flow transmission method and device.
Background technology
DS-TE (DiffServ-Aware TE) technology is by multiprotocol label switching (Multi-Protocol Label
Switching, MPLS), Resource Reservation Protocol (the Resource ReSerVation Protocol- based on Traffic Engineering extensions
Traffic, RSVP-TE) etc. technology combine the flow control technique of realization.Study and find through inventor, in virtual private
In the typical networking of network (Virtual Private Network, VPN), if walking DS-TE tunnels, it is necessary to carry out more multiple
Miscellaneous configuration, is unfavorable for the convenient realization of flow transmission.
The content of the invention
In view of this, the purpose of the embodiment of the present invention is to provide a kind of flow transmission method and device, with simple, convenient
Realize that flow transmits in ground.
Present pre-ferred embodiments provide a kind of flow transmission method, and applied to information interaction device, described information is handed over
Mutual equipment is communicated to connect with one or more access devices, and the access device is used for the Virtual Private Network institute to access
The service traffics of carrying are transmitted, and are provided with advance in described information interactive device and all types of Virtual Private Network difference
Corresponding bandwidth and type of service, the described method includes：
Preconfigured bandwidth corresponding with all types of Virtual Private Network and type of service are sent to described
At least one access device, makes the access device by the service traffics that Virtual Private Network is carried according to the void with the type
Intend the corresponding bandwidth of dedicated network, be introduced into traffic engineering tunnel the affiliated CT industry of type of service corresponding with the Virtual Private Network of the type
Business, and then it is transferred to described information interactive device.
Alternatively, preconfigured bandwidth corresponding with all types of Virtual Private Network and type of service are sent
The step of at least one access device, including：
For each type of Virtual Private Network, by bandwidth corresponding with the Virtual Private Network of the type and service class
Type writes the VPN route of the Virtual Private Network of the type, obtains the VPN route of new content, and pass through multiprotocol-border
Gateway protocol sends the VPN route of the new content at least one access device.
Alternatively, for each type of Virtual Private Network, by bandwidth corresponding with the Virtual Private Network of the type
The step of VPN route of the Virtual Private Network of the type is write with type of service, obtains the VPN route of new content, bag
Include：
For each type of Virtual Private Network, by bandwidth corresponding with the Virtual Private Network of the type and service class
In the message packet of type write-in Border Gateway Protocol, as the new content of the VPN route, the private network of new content is obtained
Route.
Alternatively, transmission destination information is also written with the message packet, the transmission destination information is described
The address information of information interaction device.
Alternatively, the message packet is BGP messages, and corresponding with Virtual Private Network bandwidth and type of service use
TLV forms are write in the BGP messages.
Alternatively, the method further includes：
Receive the Notification of Changes of pair corresponding with any type of Virtual Private Network bandwidth and type of service；
According to the Notification of Changes by bandwidth corresponding with the Virtual Private Network of respective type and service class after change
Type is sent at least one access device, so that at least one access device is by the Virtual Private Network institute of the type
The service traffics of carrying are introduced into traffic engineering tunnel after changing according to bandwidth corresponding with the Virtual Private Network of the type after change
Type of service corresponding with the Virtual Private Network of the type belonging to CT business, and then be transferred to described information interaction set
It is standby.
Alternatively, performing preconfigured bandwidth corresponding with all types of Virtual Private Network and service class
Type was sent the step of at least one access device, and the method further includes：
The summation that the access device is received in the bandwidth of all types of Virtual Private Network distribution accessed for it surpasses
Cross notification message transmitted during the bandwidth reserved for the access device；
Show the notification message and carry out the alarm notification of flow transformation task failure.
Another preferred embodiment of the present invention provides a kind of flow transmitting device, applied to information interaction device, the letter
Cease interactive device to communicate to connect with one or more access devices, the access device is used for the Virtual Private Network to access
The service traffics that network is carried are transmitted, and are provided with advance in described information interactive device and all types of Virtual Private Network
Corresponding bandwidth and type of service, the flow transmitting device include information sending module；
Described information sending module, for by preconfigured bandwidth corresponding with all types of Virtual Private Network
Sent with type of service at least one access device, the business for making the access device be carried Virtual Private Network
Flow is introduced into the Virtual Private Network pair with the type in traffic engineering tunnel according to bandwidth corresponding with the Virtual Private Network of the type
The affiliated CT business of type of service answered, and then it is transferred to described information interactive device.
Alternatively, described information sending module is used to be directed to each type of Virtual Private Network, by the void with the type
The corresponding bandwidth of plan dedicated network and type of service write the VPN route of the Virtual Private Network of the type, obtain new content
VPN route, and the VPN route of the new content is sent to described at least one by Multiprotocol Border Gateway Protocol
Access device.
Alternatively, described information sending module is used to be directed to each type of Virtual Private Network, by the void with the type
In the message packet for intending the corresponding bandwidth of dedicated network and type of service write-in Border Gateway Protocol, as the VPN route
New content, obtains the VPN route of new content.
Alternatively, transmission destination information is also written with the message packet, the transmission destination information is described
The address information of information interaction device.
Alternatively, the message packet is BGP messages, and corresponding with Virtual Private Network bandwidth and type of service use
TLV forms are write in the BGP messages.
Alternatively, the flow transmitting device further includes：
Information receiving module, for receiving pair corresponding with any type of Virtual Private Network bandwidth and type of service
Notification of Changes；
Described information sending module is additionally operable to, according to the Notification of Changes by the virtual private with respective type after change
The corresponding bandwidth of network and type of service are sent at least one access device, so that at least one access device will
The service traffics that the Virtual Private Network of the type is carried are according to corresponding with the Virtual Private Network of the type after change
Bandwidth, is introduced into traffic engineering tunnel the CT business belonging to the type of service corresponding with the Virtual Private Network of the type after changing, into
And it is transferred to described information interactive device.
Alternatively, the flow transmitting device further includes：
Receiving module is notified, for receiving the access device in all types of Virtual Private Network accessed for it point
Transmitted notification message when the summation for the bandwidth matched somebody with somebody is more than the bandwidth reserved for the access device；
Message processing module, for showing the notification message and carrying out the alarm notification of flow transformation task failure.
Another embodiment of the present invention provides a kind of computer-readable recording medium, and the readable storage medium storing program for executing includes
Computer program, information interaction device performs above-mentioned the computer program controls the readable storage medium storing program for executing when running where
Flow transmission method.
Flow transmission method and device provided in an embodiment of the present invention, by being pre-configured with information interaction device and respectively
The corresponding bandwidth of Virtual Private Network and type of service of type, are transmitted preconfigured content by information interaction device
To each access device, service traffics that each access device can be carried Virtual Private Network according to the preconfigured content
According to bandwidth corresponding with the Virtual Private Network of the type, it is introduced into corresponding with the Virtual Private Network of the type in traffic engineering tunnel
The affiliated CT business of type of service, and then information interaction device is transferred to, information transmission is completed, it is easily real by simply configuring
The transmitting of flow is showed.
To enable the above objects, features and advantages of the present invention to become apparent, preferred embodiment cited below particularly, and coordinate
Appended attached drawing, is described in detail below.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below will be to needed in the embodiment attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, without creative efforts, can also be according to this
A little attached drawings obtain other relevant attached drawings.
Fig. 1 is a kind of block diagram for flow Transmission system that present pre-ferred embodiments provide.
Fig. 2 is a kind of sequence diagram for flow transmission method that present pre-ferred embodiments provide.
Fig. 3 is a kind of another sequence diagram for flow transmission method that present pre-ferred embodiments provide.
Fig. 4 is a kind of another block diagram for flow Transmission system that present pre-ferred embodiments provide.
Fig. 5 is a kind of another block diagram for flow Transmission system that present pre-ferred embodiments provide.
Fig. 6 is a kind of block diagram for flow transmitting device that present pre-ferred embodiments provide.
Icon：11- information interaction devices；111- information sending modules；112- information receiving modules；113- notices receive mould
Block；114- message processing modules；12- access devices；13- Router Reflectors.
Embodiment
As a kind of service quality (Quality of Service, QoS) solution, it is mainly realized DS-TE technologies
Mechanism is that flow is divided according to service type (class of service), and different QoS is provided based on service type
Ensure.And MPLS TE are mainly used for the use to Internet resources and optimize as traffic engineering solution.
There are following three key problem in technology concepts in DS-TE.
Service type (Class Type, CT)：Class of service belonging to flow, for classifying to different flows.
CTs of the DS-TE according to belonging to Business Stream distributes link bandwidth, implements CR- LDP and carries out access control for it.Given for one
Fixed Business Stream, on all links of its process, which belongs to identical CT.
Bandwidth constraint (Bandwidth Constraint, BC)：For the band that can be used various service type flows
Width is limited.
Bandwidth constraint model (Bandwidth Constraint Model)：For realizing the Business Stream progress to different CT
The algorithm of bandwidth constraint.Bandwidth constraint model is determined by two parts content：The correspondence of maximum BC numbers and BC and CT.
DS-TE generally supports two kinds of bandwidth constraint models, Russian Dolls model (Russian Dolls Model, RDM) and maximum point
With model (Maximum Allocation Model, MAM).
Inventor to DS-TE frameworks and principle by carrying out in-depth analysis discovery, in the typical networking of VPN, if walked
DS-TE tunnels, it is necessary to carry out complex configuration, such as in each access device respectively to each access device for accessing VPN
On accesses control list (Access Control List, ACL) is respectively configured, by ACL specify access device access VPN
The type of service carried walks certain CT business in DS-TE tunnels, and then completes flow transmission.It is this equal to each access device
The mode configured realize it is complex, be unfavorable for flow transmission convenient realization, be influence user experience an important factor for.
Based on this, an embodiment of the present invention provides a kind of flow transmission plan, this kind of flow transmission plan breaks through existing skill
Thinking limitation in art, abandoning is configured respectively in each access device of " head end " in the prior art, and then is completed
The implementation of flow transmission, innovatively the information interaction device in " end " is configured, then is handed over by the information of " end "
Mutual equipment is transferred to each access device of " head end " by content is configured, without matching somebody with somebody respectively to each access device of " head end "
Put, you can so that the configuration content that each access device of " head end " is transmitted by the information interaction device of " end ", control VPN institutes
The service traffics of carrying walk the corresponding service in traffic engineering tunnel according to the bandwidth configured, bring about the desired effect.
Below in conjunction with attached drawing in the embodiment of the present invention, the technical solution in the embodiment of the present invention is carried out clear, complete
Ground describes, it is clear that described embodiment is only part of the embodiment of the present invention, instead of all the embodiments.Usually exist
The component of the embodiment of the present invention described and illustrated in attached drawing can be arranged and designed with a variety of configurations herein.Cause
This, the detailed description of the embodiment of the present invention to providing in the accompanying drawings is not intended to limit claimed invention below
Scope, but it is merely representative of the selected embodiment of the present invention.Based on the embodiment of the present invention, those skilled in the art are not doing
Go out all other embodiments obtained on the premise of creative work, belong to the scope of protection of the invention.
It should be noted that：Similar label and letter represents similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent attached drawing in a attached drawing.
As shown in Figure 1, it is a kind of block diagram of flow Transmission system provided in an embodiment of the present invention.The present invention is implemented
Flow Transmission system in example can be the typical architecture in DS-TE technologies, as shown in Figure 1, flow Transmission system can include
Access device 12, information interaction device 11 etc..
Wherein, access device 12 can be ingress PE (Provider Edge, the edge device in backbone network), enter section
Point PE accesses have different types of Virtual Private Network, such as VPN1 and VPN2, VPN1 and VPN2 carry each type of service, enter
The service traffics that node PE is used to carry the VPN1 and VPN2 of access are transmitted.
In the present embodiment, type of service can refer to the flow that different business is forwarded, if for example, some office most
Crucial business has two, and one of business is voice conferencing, another business is Email, then voice conferencing represents
A kind of flow of business, Email also represent a kind of flow of business, and ingress PE is used for the service traffics to voice conferencing
It is transmitted with the service traffics of Email.If the IP of voice conferencing and Email sections are planned in advance, then, root
It can determine that corresponding type of service is voice conferencing or Email according to the IP of flow.
Information interaction device 11 can be information exchange node PEX (Peer Exchange), in information exchange node PEX
Be provided with corresponding with all types of Virtual Private Network bandwidth and type of service in advance.
Information interaction device 11 in the embodiment of the present invention can include memory, processor and storage on a memory simultaneously
The computer program that can be run on a processor, the processor cause information interaction device 11 to realize this when performing described program
Flow transmission method in inventive embodiments.
Fig. 2 is please referred to, flow Transmission system realizes that flow transmits by following steps.
Step S11, information interaction device 11 is by preconfigured band corresponding with all types of Virtual Private Network
Wide and type of service is sent to access device 12.
Wherein it is possible to it is pre-configured with and all types of Virtual Private Network difference in information interaction device 11 by third party
Corresponding bandwidth and type of service, the third party can be user, or far-end server etc..
For example, each Virtual Private Network of carrying identical services type A is same type of Virtual Private Network, with VPN1
Represent, each Virtual Private Network of carrying identical services type B is same type of Virtual Private Network, is represented with VPN2.That
, user can carry out following configuration in information interaction device 11：Bandwidth safeguard corresponding with VPN1 is BC0, with VPN1 institutes
It is CT0 business that the type of service A of carrying is corresponding, and bandwidth safeguard corresponding with VPN2 is BC1, the service class carried with VPN2
Type B corresponding is CT1 business.
In the present embodiment, the network architecture based on MPLS TE carries out scheme constructs, access device 12 and information interaction device
The IP address of 11 intercommunications, access device 12 and information interaction device 11 issue in Routing Protocol each other the moment in interaction, by
In the routing neighbor relation of access device 12 and information interaction device 11 be to be always maintained at establishing, thus access device 12 and information
Interactive device 11 knows how to reach other side, completion information transmission by IP network.
Step S12, access device 12 is by the service traffics that Virtual Private Network is carried according to virtual special with the type
With the corresponding bandwidth of network, the affiliated CT business of type of service corresponding with the Virtual Private Network of the type is introduced into traffic engineering tunnel,
And then it is transferred to information interaction device 11.
In the embodiment of the present invention, the access device 12 communicated to connect with information interaction device 11 can be for one or more
A, in step s 11, information interaction device 11 can be by preconfigured band corresponding with all types of Virtual Private Network
Wide and type of service is sent to each access device 12 for communicating with connection.Correspondingly, each access device 12 can perform
Step S12.
By taking the course of work of one of access device 12 as an example, if the access device 12 access has bearer service type A
Virtual Private Network, represented with VPN1, and the Virtual Private Network of bearer service type B, represented with VPN2.So, connect
It is BC0 to enter equipment 12 to find out bandwidth safeguard corresponding with VPN1 from preconfigured content, is carried with VPN1
It is CT0 business that type of service A is corresponding, and bandwidth safeguard corresponding with VPN2 is BC1, B pairs of the type of service carried with VPN2
Answer for CT1 business.Access device 12 is according to the content found out, and the service traffics that VPN1 is carried are according to bandwidth demand
BC0, the CT0 business being introduced into traffic engineering tunnel, by the service traffics that VPN2 is carried according to bandwidth demand BC1, is introduced into traffic engineering tunnel
CT1 business, so as to be transmitted to information interaction device 11.
Pass through step S11 and step S12 so that information interaction device 11 on pair that only need to be in " end " and all types of void
Intend the corresponding bandwidth of dedicated network and type of service be pre-configured with and configuration content is transferred to each access device 12,
I.e. can be achieved can produce Expected Results flow transmission, without such as the prior art on each access device 12 of " head end "
Complicated configuration is carried out respectively, greatly reduces configuration complexity, simplifies transfer process.
Information interaction device 11 is by preconfigured bandwidth corresponding with all types of Virtual Private Network and business
Type, which is sent to the mode of access device 12, to be had a variety of, and one of which implementation is listed in the present embodiment, as follows.
Information interaction device 11 is directed to each type of Virtual Private Network, will be corresponding with the Virtual Private Network of the type
Bandwidth and type of service write the type Virtual Private Network VPN route, obtain the VPN route of new content, and
By Multiprotocol Border Gateway Protocol (Multiprotocol Extensions for BGP-4, MBGP) by the private of new content
Network is by sending to access device 12.
If the Virtual Private Network of bearer service type A, is represented with VPN1, bandwidth safeguard corresponding with VPN1 is BC0, with
The type of service A that VPN1 is carried corresponding is CT0 business.The Virtual Private Network of bearer service type B, is represented with VPN2,
Bandwidth safeguard corresponding with VPN2 is BC1, and corresponding with the type of service B that VPN2 is carried is CT1 business.So, information is handed over
Mutual equipment 11 be directed to VPN1, and bandwidth safeguard BC0 and CT0 business can be write to the VPN route of VPN1, by bandwidth safeguard BC1 with
CT1 business writes the VPN route of VPN2.
Wherein, bandwidth corresponding with Virtual Private Network and type of service are write to the private of the Virtual Private Network of the type
Network is by the mode for obtaining the VPN route of new content including but not limited to will be corresponding with the Virtual Private Network of the type
In the message packet of bandwidth and type of service write-in Border Gateway Protocol (Border Gateway Protocol, BGP), as
The new content of the VPN route, obtains the VPN route of new content.
Message packet can be BGP messages, and corresponding with Virtual Private Network bandwidth and type of service can use a variety of
In form write-in BGP messages, as using in TLV (Type Length Value) form write-in BGP messages.
Transmission destination information is also written with the BGP messages, which is information interaction device 11
Address information.
Pass through the write-in to destination information so that each access device 12 can be according to the destination information of write-in by virtually
The service traffics that dedicated network is carried are finally transmitted to information interaction device 11.
It should be appreciated that except aforesaid way, information interaction device 11 in the present embodiment can also by other means by
Preconfigured bandwidth corresponding with all types of Virtual Private Network and type of service are sent to access device 12.Example
Such as, information interaction device 11 oneself can build a kind of new interaction protocol, such as DS-TE tunnels head node and tail node it
Between set up a kind of new interaction protocol, be used for transmitting the demand of bandwidth and type of service each other, pass through tail node and set and then pass
Head node is multicast to, and then is realized preconfigured bandwidth corresponding with all types of Virtual Private Network and type of service
Send to access device 12, for corresponding implementation, be not restricted in the present embodiment.
Flow control methods in the present embodiment are further comprising the steps of.
Step S13, third direction information interaction device 11 send pair band corresponding with any type of Virtual Private Network
Wide and type of service Notification of Changes.
Wherein, third party can be user, or far-end server.
Step S14, information interaction device 11 receive pair corresponding with any type of Virtual Private Network bandwidth and business
The Notification of Changes of type, and send to access device 12.
Step S15, after the service traffics that access device 12 is carried the Virtual Private Network of the type are according to change
Bandwidth corresponding with the Virtual Private Network of the type, the Virtual Private Network pair with the type being introduced into traffic engineering tunnel after changing
CT business belonging to the type of service answered, and then it is transferred to information interaction device 11.
In the present embodiment, after Notification of Changes is received, information interaction device 11, which can send Notification of Changes to it, leads to
Believe all access devices 12 of connection, access each access for the Virtual Private Network for needing to carry out bandwidth and type of service change
Service traffics then according to the bandwidth after change, are introduced the CT business belonging to the type of service after change, and then transmit by equipment 12
To information interaction device 11.This kind of exception processes mode in the embodiment of the present invention need to only be sent to information interaction device 11 to be changed
Notice, then sent Notification of Changes to each access device 12 by information interaction device 11, with needing to repair respectively in the prior art
Changing the configuration of each access device 12 can meet that change request is compared, and realize relatively simple and convenient, reliability higher.
Fig. 3 is please referred to, after step S11 is performed, can also perform following steps.
Step S21, access device 12 are judged as the total of the bandwidth of all types of Virtual Private Network distribution of its access
Whether the bandwidth reserved for the access device 12 is exceeded, if it exceeds reserved bandwidth, performs step S22, if not less than
Reserved bandwidth, performs step S12.
It should be appreciated that when the access device 12 communicated to connect with information interaction device 11 is multiple, each access device
12 can be judged as whether the summation of the bandwidth of all types of Virtual Private Network distribution of its access exceedes sets for the access
Standby 12 reserved bandwidth.
Step S22, access device 12 send more than the notification message of reserved bandwidth to information interaction device 11.
Wherein, notification message can be the BGP message that a representative exceedes reserved bandwidth.
Step S23, information interaction device 11 receive access device 12 in all types of Virtual Private Networks accessed for it
Transmitted notification message, shows the notice when summation of the bandwidth of network distribution is more than the bandwidth reserved for the access device 12
Message and the alarm notification for carrying out the failure of flow transformation task.
Wherein, information interaction device 11 shows that the form of notification message can be to print relevant trap information (trap letter
Breath) or relevant trap information is shown.The alarm notification of flow transformation task failure can be transferred to third party, such as
, there is failure with the new business under notification server DS-TE in server.
It is appreciated that the structure of the flow Transmission system shown in Fig. 1 is only to illustrate, flow Transmission system may also include than figure
More either less devices shown in 1 have the configuration different from shown in Fig. 1.Each device shown in Fig. 1 can be adopted
Realized with hardware, software or its combination.
For example, referring to Fig. 4, Router Reflector 13 can also be set between access device 12 and information interaction device 11,
The whole network of information interaction device 11 and each access device 12 is realized by the Router Reflector 13 (Route Reflector, RR)
State connects.
In the present embodiment, when information interaction device 11 and the communication connection of multiple access devices 12, each institute of access device 12
The type of the Virtual Private Network of access can be identical, for example, VPN1 and VPN2 that each access device 12 accesses, such as Fig. 4 institutes
Show.The type for the Virtual Private Network that each access device 12 is accessed can not also be same, for example, the void that each access device 12 accesses
Intend the quantity difference of the type of dedicated network, some access devices 12 can only access the Virtual Private Network of a type,
Some access devices 12 can access the Virtual Private Network of two, three or more type, as shown in Figure 5.Difference access
The type for the Virtual Private Network that equipment 12 is accessed can be identical, can be different, can also part it is identical, the embodiment of the present invention
In be not construed as limiting.
In the present embodiment, can in information interaction device 11 to the corresponding bandwidth of different types of Virtual Private Network and
Type of service carries out configuration concurrency and send to each access device 12, and each access device 12 therefrom finds out the void with itself access
Intend dedicated network the corresponding bandwidth of type and type of service, and by the service traffics that Virtual Private Network is carried according to this
The corresponding bandwidth of Virtual Private Network of type, is introduced into traffic engineering tunnel type of service corresponding with the Virtual Private Network of the type
Affiliated CT business, and then it is transferred to information interaction device 11.If for example, be provided with advance in information interaction device 11 and N1~Nn
The corresponding bandwidth of polytype Virtual Private Network and type of service, information interaction device 11 and access device PE1~access
Equipment PEn is communicated to connect, wherein, the Virtual Private Network for N1 types of access device PE1 accesses, then access device PE1
Then corresponding with the Virtual Private Network of N1 types bandwidth and industry are found out from the configuration content that information interaction device 11 is transmitted
Service type, by the service traffics that the Virtual Private Network of N1 types is carried according to corresponding with the Virtual Private Network of N1 types
Bandwidth, is introduced into traffic engineering tunnel the affiliated CT business of type of service corresponding with the Virtual Private Network of N1 types, and then is transferred to letter
Cease interactive device 11.
On the basis of the above, as shown in fig. 6, an embodiment of the present invention provides a kind of flow transmitting device, it is applied to and extremely
The information interaction device 11 that a few access device 12 communicates to connect, the access device 12 are used for the Virtual Private Network to access
The service traffics that network is carried are transmitted, and are provided with advance in described information interactive device 11 and all types of Virtual Private Networks
The corresponding bandwidth of network and type of service, the flow transmitting device include information sending module 111.
Described information sending module 111 is used for preconfigured band corresponding with all types of Virtual Private Network
Wide and type of service is sent at least one access device 12, the access device 12 is carried Virtual Private Network
Service traffics according to bandwidth corresponding with the Virtual Private Network of the type, be introduced into the virtual private with the type in traffic engineering tunnel
The affiliated CT business of the corresponding type of service of network, and then it is transferred to described information interactive device 11.
Since information sending module 111 is similar with the realization principle of step S11 in Fig. 2, thus do not illustrate more herein.
Described information sending module 111 is used to be directed to each type of Virtual Private Network, will be virtual special with the type
The VPN route of the Virtual Private Network of the type is write with the corresponding bandwidth of network and type of service, obtains the private of new content
Network is by and being sent the VPN route of the new content at least one access by Multiprotocol Border Gateway Protocol
Equipment 12.
Described information sending module 111 is used to be directed to each type of Virtual Private Network, will be virtual special with the type
Write with the corresponding bandwidth of network and type of service in the message packet of Border Gateway Protocol, as the newly-increased of the VPN route
Content, obtains the VPN route of new content.
Transmission destination information is also written with the message packet, the transmission destination information interacts for described information
The address information of equipment 11.
The message packet is BGP messages, and corresponding with Virtual Private Network bandwidth and type of service are write using TLV forms
Enter in the BGP messages.
Since the optional implementation of information sending module 111 has been described in detail in aforementioned flow transmission method,
Do not illustrate more herein thus.
The flow transmitting device further includes information receiving module 112.
Described information receiving module 112 is used to receive pair corresponding with any type of Virtual Private Network bandwidth and business
The Notification of Changes of type.
Described information sending module 111 is additionally operable to will be virtual special with respective type after change according to the Notification of Changes
Sent with the corresponding bandwidth of network and type of service at least one access device 12, so that at least one access is set
Standby 12 by the service traffics that the Virtual Private Network of the type is carried according to the Virtual Private Network with the type after change
Corresponding bandwidth, is introduced into traffic engineering tunnel the CT industry belonging to the type of service corresponding with the Virtual Private Network of the type after changing
Business, and then it is transferred to described information interactive device 11.
Since information receiving module 112 is similar with the realization principle of step S14 in Fig. 2 with information sending module 111, thus
Do not illustrate more herein.
The flow transmitting device further includes：Notify receiving module 113 and message processing module 114.
Notice receiving module 113 is used to receive the access device 12 in all types of Virtual Private Networks accessed for it
Transmitted notification message when the summation of the bandwidth of network distribution is more than the bandwidth reserved for the access device 12.
Message processing module 114 is used for the alarm notification for showing the notification message and carrying out the failure of flow transformation task.
Since receiving module 113 is similar with the realization principle of step S23 in Fig. 3 with message processing module 114, thus herein
Do not illustrate more.
Flow transmission method and device in the embodiment of the present invention, by matching somebody with somebody in advance in the information interaction device of " end "
Corresponding with all types of Virtual Private Network bandwidth and type of service are put, will be preconfigured interior by information interaction device
Hold each access device for being transferred to " head end ", each access device can be by Virtual Private Network institute according to the preconfigured content
The service traffics of carrying are introduced into virtual with the type in traffic engineering tunnel according to bandwidth corresponding with the Virtual Private Network of the type
The affiliated CT business of the corresponding type of service of dedicated network, and then information interaction device is transferred to, complete information transmission.This kind by
The mode of " end " centralized Control " head end ", without being configured respectively to each access device of " head end ", you can so that " first
The configuration content that each access device at end " is transmitted by the information interaction device of " end ", the service traffics that control VPN is carried
Bandwidth according to being configured walks the corresponding service in traffic engineering tunnel, brings about the desired effect.Breach thinking office of the prior art
Limit, compared to being configured respectively in each access device of " head end " in the prior art, and then completes flow transmission
Implementation is more simple, convenient and reliable.
In several embodiments that the embodiment of the present invention is provided, it should be understood that disclosed apparatus and method, also may be used
To realize by another way.Apparatus and method embodiment described above is only schematical, for example, in attached drawing
Flow chart and block diagram show the device of multiple embodiments according to the present invention, the possibility of method and computer program product is realized
Architectural framework, function and operation.At this point, each square frame in flow chart or block diagram can represent module, a program
A part for section or code, a part for the module, program segment or code are used for realization defined patrol comprising one or more
Collect the executable instruction of function.It should also be noted that at some as the function of in the implementation replaced, being marked in square frame
Can be with different from the order marked in attached drawing generation.For example, two continuous square frames can essentially be held substantially in parallel
OK, they can also be performed in the opposite order sometimes, this is depending on involved function.It is also noted that block diagram and/or
The combination of each square frame and block diagram in flow chart and/or the square frame in flow chart, can use function or dynamic as defined in performing
The dedicated hardware based system made is realized, or can be realized with the combination of specialized hardware and computer instruction.
In addition, each function module in each embodiment of the present invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized in the form of software function module and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to contribute to the prior art or the part of the technical solution can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be
People's computer, electronic equipment, or network equipment etc.) perform all or part of step of each embodiment the method for the present invention
Suddenly.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage (ROM, Read-Only Memory), deposit at random
Access to memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can be with the medium of store program codes.
It should be noted that herein, term " comprising ", "comprising" or its any other variant are intended to the bag of nonexcludability
Contain, so that process, method, article or equipment including a series of elements not only include those key elements, but also including
Other elements that are not explicitly listed, or further include as elements inherent to such a process, method, article, or device.
In the absence of more restrictions, the key element limited by sentence "including a ...", it is not excluded that including the key element
Process, method, also there are other identical element in article or equipment.
The foregoing is merely the alternative embodiment of the present invention, it is not intended to limit the invention, for the skill of this area
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
- A kind of 1. flow transmission method, it is characterised in that applied to information interaction device, described information interactive device and one or More than one access device communicates to connect, and the access device is used for the service traffics carried to the Virtual Private Network of access It is transmitted, is provided with corresponding with all types of Virtual Private Network bandwidth and industry in described information interactive device in advance Service type, the described method includes：By preconfigured bandwidth corresponding with all types of Virtual Private Network and type of service send to it is described at least One access device, makes the access device by the service traffics that Virtual Private Network is carried according to virtual special with the type With the corresponding bandwidth of network, the affiliated CT business of type of service corresponding with the Virtual Private Network of the type is introduced into traffic engineering tunnel, And then it is transferred to described information interactive device.
- 2. flow transmission method according to claim 1, it is characterised in that by it is preconfigured with it is all types of it is virtual specially The step of being sent with the corresponding bandwidth of network and type of service at least one access device, including：For each type of Virtual Private Network, bandwidth corresponding with the Virtual Private Network of the type and type of service are write Enter the VPN route of the Virtual Private Network of the type, obtain the VPN route of new content, and pass through multiprotocol-border gateway Agreement sends the VPN route of the new content at least one access device.
- 3. flow transmission method according to claim 2, it is characterised in that for each type of Virtual Private Network, Bandwidth corresponding with the Virtual Private Network of the type and type of service are write to the private network road of the Virtual Private Network of the type By, the step of obtaining the VPN route of new content, including：For each type of Virtual Private Network, bandwidth corresponding with the Virtual Private Network of the type and type of service are write In the message packet for entering Border Gateway Protocol, as the new content of the VPN route, the VPN route of new content is obtained.
- 4. flow transmission method according to claim 3, it is characterised in that transmission mesh is also written with the message packet Ground information, the transmission destination information be described information interactive device address information.
- 5. flow transmission method according to claim 1, it is characterised in that the method further includes：Receive the Notification of Changes of pair corresponding with any type of Virtual Private Network bandwidth and type of service；Bandwidth corresponding with the Virtual Private Network of respective type after change and type of service are sent out according to the Notification of Changes Send at least one access device, so that at least one access device is carried the Virtual Private Network of the type Service traffics according to bandwidth corresponding with the Virtual Private Network of the type after change, be introduced into traffic engineering tunnel after changing with CT business belonging to the corresponding type of service of Virtual Private Network of the type, and then it is transferred to described information interactive device.
- 6. flow transmission method according to claim 1, it is characterised in that will be preconfigured and all types of performing The corresponding bandwidth of Virtual Private Network and type of service were sent the step of at least one access device, described Method further includes：Receive the access device accessed for it all types of Virtual Private Network distribution bandwidth summation exceed be Transmitted notification message during the bandwidth that the access device is reserved；Show the notification message and carry out the alarm notification of flow transformation task failure.
- A kind of 7. flow transmitting device, it is characterised in that applied to information interaction device, described information interactive device and one or More than one access device communicates to connect, and the access device is used for the service traffics carried to the Virtual Private Network of access It is transmitted, is provided with corresponding with all types of Virtual Private Network bandwidth and industry in described information interactive device in advance Service type, the flow transmitting device include information sending module；Described information sending module, for by preconfigured bandwidth corresponding with all types of Virtual Private Network and industry Service type is sent at least one access device, the service traffics for making the access device be carried Virtual Private Network According to bandwidth corresponding with the Virtual Private Network of the type, it is introduced into corresponding with the Virtual Private Network of the type in traffic engineering tunnel The affiliated CT business of type of service, and then it is transferred to described information interactive device.
- 8. flow transmitting device according to claim 7, it is characterised in that described information sending module is used for for every kind of Bandwidth corresponding with the Virtual Private Network of the type and type of service, are write the void of the type by the Virtual Private Network of type Intend the VPN route of dedicated network, obtain the VPN route of new content, and will be described new by Multiprotocol Border Gateway Protocol The VPN route for increasing content is sent at least one access device.
- 9. flow transmitting device according to claim 8, it is characterised in that described information sending module is used for for every kind of The Virtual Private Network of type, by bandwidth corresponding with the Virtual Private Network of the type and type of service write-in borde gateway association In the message packet of view, as the new content of the VPN route, the VPN route of new content is obtained.
- 10. flow transmitting device according to claim 9, it is characterised in that transmission is also written with the message packet Destination information, the transmission destination information are the address information of described information interactive device.
- 11. flow transmitting device according to claim 7, it is characterised in that the flow transmitting device further includes：Information receiving module, for receiving the change pair corresponding with any type of Virtual Private Network bandwidth and type of service Notice；Described information sending module is additionally operable to, according to the Notification of Changes by the Virtual Private Network with respective type after change Corresponding bandwidth and type of service are sent at least one access device so that at least one access device by such The service traffics that the Virtual Private Network of type is carried according to bandwidth corresponding with the Virtual Private Network of the type after change, The CT business belonging to the type of service corresponding with the Virtual Private Network of the type after changing is introduced into traffic engineering tunnel, and then is transmitted To described information interactive device.
- 12. a kind of computer-readable recording medium, it is characterised in that the readable storage medium storing program for executing includes computer program, described Any one of information interaction device perform claim requirement 1~6 institute computer program controls the readable storage medium storing program for executing when running where The flow transmission method stated.
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| CN201711169324.8A CN108023830A (en) | 2017-11-21 | 2017-11-21 | flow transmission method and device |
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| CN201711169324.8A CN108023830A (en) | 2017-11-21 | 2017-11-21 | flow transmission method and device |
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