CN103036758B - Method of interconnection and interworking between identifying net and traditional network, access service router (ASR) and interworking service router (ISR) - Google Patents
Method of interconnection and interworking between identifying net and traditional network, access service router (ASR) and interworking service router (ISR) Download PDFInfo
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- CN103036758B CN103036758B CN201110304431.3A CN201110304431A CN103036758B CN 103036758 B CN103036758 B CN 103036758B CN 201110304431 A CN201110304431 A CN 201110304431A CN 103036758 B CN103036758 B CN 103036758B
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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]
- H04L12/2854—Wide area networks, e.g. public data networks
- H04L12/2856—Access arrangements, e.g. Internet access
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Abstract
Provided is a method of interconnection and interworking between an identifying net and a traditional network, an ASR (access service router) and an ISR (interworking service router). The method includes that firstly the access service router in the identifying net receives a message sent from a user equipment, secondly the message is forwarded in line with a first routing table if the destination user identify label of the message dose not within the scope of the user identify label of the identifying net, thirdly the interworking service router in the identifying net receives the message sent from the access service router of the identifying net, and sends the message to the traditional network in line with a second routing table. It is ensured that the message sent from the identifying net to the traditional network in the identifying net can be routed to the right ISR. With the adoption of the method of interconnection and interworking between the identifying net and the traditional network, the ASR and the ISR, the issue of interconnection and interworking between the identifying net and a plurality of traditional networks can be effectively addressed, and the message sent from the identifying net to the traditional network in the identifying net is guaranteed to be routed to the right ISR.
Description
Technical field
The present invention relates to communication technical field, method that more particularly, to a kind of mark net is interconnected with legacy network, ASR
And ISR.
Background technology
Widely used TCP/IP (the Transmission Control Protocol/Internet in existing the Internet
Protocol, transmission control protocol/internet protocol) IP address in agreement has dual-use function, and can be used as Internet
Communication terminal main frame station location marker in network topology for the network interface, again can be used as the network interface of transport layer main frame
Identity.But ICP/IP protocol does not consider the situation of host mobility at the beginning of design.Therefore, when host mobility is more and more general
All over when, the semantic overload defect of this IP address is increasingly apparent.When the IP address of main frame changes, not only route can occur
Change, the identity of communication terminal main frame also can change, and this will lead to routing overhead more and more heavier, and host identification
Change also will lead to apply and connect interruption.
Identity and the proposition of position separating problem, are serious in order to solve the semantic overload of IP address and routing overhead
The problems such as, the dual-use function of IP address is carried out separating, realizes mobility, many locals property, IP address are dynamically reassigned, mitigate
Support the problems such as exchanging visit between heterogeneous networks region in routing overhead and Next Generation Internet.
In prior art, it is that detached solution party is carried out to identity and position based on the implementation method of network router
One of case.
The Chinese invention application of Application No. 200910174691.6 discloses a kind of network identity and position
Put separation method, the network below the method being applied to referred to as identifies net, the basic thought of the program is：Net will be identified
It is divided into Access Layer and core layer, the mobile node in network has two kinds of identity type：User Identity (Access
Identifier, referred to as AID) and route location mark (Routing-Location Identifier, referred to as RID)；For
The unique AID of each user configuring in network, this AID remain constant in moving process；In data forwarding process,
AID can only use in Access Layer, and RID can only use in core layer；When carrying out application layer communication between user terminal, using AID
Identification opposite end.
The mark net topology schematic diagram of above-mentioned network identity and position separating framework is as shown in figure 1, main
Including：Access service router (Access Service Router, referred to as ASR), identity position depositor
(Identifier Locator Register, referred to as ILR), interworking service router (Interworking Service
Router, referred to as ISR) etc..Mobile node, stationary nodes and nomadic node are linked in mark net by access network.Below
Related network elements in mark net are given to introduce respectively：
ASR is responsible for various mobile nodes and provides access service, and the user for accessing distributes RID, and the data by user
Message is transmitted after being identified encapsulation in backbone network.
ASR when receiving the data message that terminal is sent, according to destination address in data message (i.e. the AID of Correspondent Node)
AID-RID mapping table in inquiry local cache (CACHE)：If finding corresponding AID-RID map entry, will find
The RID of communication terminal be encapsulated in header and be sent to backbone network and carry out forward process；Without finding corresponding AID-
RID map entry, then by data message forwarding to backbone network, and initiate the AID-RID map information of query communication opposite end to ILR
Flow process, the corresponding AID-RID map entry that ILR is returned is saved in locally, in case inquiry when subsequent packet forwards.
Or, ASR is not when locally finding corresponding AID-RID map entry it is also possible to select not by datagram
Literary composition is forwarded to backbone network, but directly initiates to ILR to inquire about the flow process of the AID-RID map information of this Correspondent Node, treats that ILR returns
After returning corresponding AID-RID map entry, the RID of this communication terminal found is encapsulated in header it is sent to backbone network and
Row forward process.
ASR, when receiving the data message being sent to terminal, carries out decapsulation process to this data message, peels off this datagram
After the heading comprising RID increasing newly in literary composition, it is sent to terminal.
ILR is mainly responsible for safeguarding the mapping relations of User Identity and station location marker in network, and reflects to ASR and other
Penetrating server provides inquiry service.
In the prior art, the terminal of the terminal access legacy network of mark net needs to be exchanged visits by ISR.
ISR, as mark net and the Interworking gateway router of legacy network, is responsible for legacy network distribution indicator net AID's
Routing iinformation；When the message of legacy network terminal access mark net enters inlet identity net by ISR, ISR is according to destination address
(AID) inquire about AID-RID mapping relations, then carry out outer layer RID encapsulation.
In mark net, the message of terminal access legacy network is exported by ISR, and idiographic flow is：ASR sends out receiving terminal
After the message coming, judge whether the destination address of this message is the address that mark nets in the range of AID, if not mark net AID
In the range of address, then carry out being sent to ISR after outer envelope with the RID of ISR, ISR remove upon receipt message outer layer RID envelope
It is sent to legacy network after dress.
But when actual networking is disposed, mark net would generally simultaneously with multiple legacy network intercommunications, as shown in Fig. 2
That is, can there are multiple ISR (as ISR1 and ISR2) in a mark net.Therefore, ASR is receiving the message that terminal (UE) is sent
Afterwards, when judging that destination address is not the address in the range of mark net AID it is impossible to judge which this message is sent to
One ISR.
Content of the invention
The present invention be directed to the problems referred to above, provide a kind of mark net interconnect with legacy network method, ASR and ISR, with
Solve ASR when mark net is interconnected with multiple legacy networks and cannot determine which the message of legacy network to be issued is sent to
The problem of individual ISR.
For solving the above problems, the invention provides a kind of method that mark net is interconnected with legacy network, it is applied to
The access service router side of mark net, including：
After receiving the message that user equipment is sent, if the destination address of described message is not belonging to the user of this mark net
In the range of identity, then according to routing table, described message is forwarded.
Further,
Described routing table is to be generated according to the routing iinformation that Routing Protocol gets by described access service router.
Further,
Described routing table is pre-configured to be on described access service router.
Present invention also offers a kind of method that mark net is interconnected with legacy network, it is applied to identify the intercommunication industry of net
Business router side, including：
After the message that access service router is sent in receiving this mark net, according to routing table, described message is forwarded
To legacy network.
Further,
Described routing table is to be generated according to the routing iinformation that Routing Protocol gets by described interworking service router.
Further,
Described routing table is pre-configured to be on described interworking service router.
Present invention also offers a kind of method that mark net is interconnected with legacy network, including：
Mark net in access service router side after receiving the message that user equipment is sent, if the mesh of described message
Address be not belonging to this mark net User Identity in the range of, then according to the first routing table, described message is forwarded；
The interworking service router institute that access service router is sent in receiving this mark net in described mark net
After stating message, described message is forwarded to by legacy network according to secondary route table.
Further,
Described first routing table is to be generated according to the routing iinformation that Routing Protocol gets by described access service router
, or be pre-configured to be on described access service router.
Further,
Described secondary route table is to be generated according to the routing iinformation that Routing Protocol gets by described interworking service router
, or be pre-configured to be on described interworking service router.
Correspondingly, the invention provides a kind of identify net, including：The interworking service of access service router and more than 2
Router：
Described access service router is used for after receiving the message that user equipment is sent, if judging described message
Destination address is not belonging in the range of the User Identity of this mark net, then described message is carried out turn according to the first routing table
Send out；
Described interworking service router be used for after receiving the described message that described access service router is sent, according to
Described message is forwarded to legacy network by secondary route table.
Further,
Described first routing table is to be generated according to the routing iinformation that Routing Protocol gets by described access service router
, or be pre-configured to be on described access service router.
Further,
Described secondary route table is to be generated according to the routing iinformation that Routing Protocol gets by described interworking service router
, or be pre-configured to be on described interworking service router.
Correspondingly, the invention provides a kind of access service router, including：
Message receiver module, the message sent for receive user equipment；
Judge module, whether the destination address for judging described message that described message receiver module receives belongs to this
In the range of the User Identity of mark net；
Packet forwarding module, for judging that in described judge module the destination address of described message is not belonging to this mark net
User Identity in the range of when, according to routing table, described message is forwarded.
Further, described access service router may also include：
Route acquisition module, for generating described routing table using the routing iinformation getting according to Routing Protocol.
Further, described access service router may also include：
Memory module, for preserving pre-configured described routing table.
Correspondingly, present invention also offers a kind of interworking service router, including：
Receiver module, for receiving the message that the access service router in being netted is sent by mark；
Forwarding module, for being forwarded to legacy network according to routing table by the described message receiving.
Further, described interworking service router may also include：
Route acquisition module, for generating described routing table using the routing iinformation getting according to Routing Protocol.
Further, described interworking service router may also include：
Memory module, for preserving pre-configured described routing table.
After the present invention, can efficiently solve mark net and multiple legacy networks interconnect problem it is ensured that
The message that mark net is sent to legacy network can be routed to correct ISR in mark net.
Brief description
Fig. 1 is the network identity of prior art and the network topology schematic diagram of position separation；
Fig. 2 is the network identity of prior art and the network of position separating framework is mutual with multiple legacy networks
Logical schematic diagram；
Fig. 3 is ISR and ILR interaction flow schematic diagram in the embodiment of the present invention.
Specific embodiment
For making the object, technical solutions and advantages of the present invention become more apparent, below in conjunction with accompanying drawing to the present invention
Embodiment be described in detail.It should be noted that in the case of not conflicting, in embodiment in the application and embodiment
Feature can mutual combination in any.
The present embodiment is based primarily upon the network architecture and the agreement of identity and position separating, proposes a kind of mark net and biography
The method of system network interconnection intercommunication.It should be noted that herein, destination address is the AID of feeling the pulse with the finger-tip, correspondingly, purpose AID
Refer to destination address.
The concrete handling process of ASR side is as shown in figure 3, include：
(301) ASR receives the message that UE sends；
(302) according to purpose AID that this message carries, ASR judges whether this purpose AID belongs in the range of mark net AID
Address；If it is judged that this purpose AID belongs to the address in the range of mark net AID, execution step 303a；Otherwise, execution step
304；
(303a) ASR searches the corresponding RID of this purpose AID according to AID the and RID map entry of local cache；If
Locally do not find the corresponding RID of this purpose AID, then inquire about to ILR and obtain corresponding AID and RID map entry；If this
Preserve the corresponding RID of this purpose AID, then execution step 303b；
(303b) ASR carries out outer envelope according to the corresponding RID of purpose AID to message；
(303c) ASR forwards to packaged message after searching routing table, terminates；
(304) illustrate that this message is destined for the message of legacy network, therefore ASR directly looks into routing table and carries out message forwarding,
Do not need to do outer envelope.Wherein, this routing table can be generated according to the routing iinformation that Routing Protocol gets by ASR,
Can also be that manual configuration is passed through on ASR by webmaster；
Correspondingly, this message, after receiving the message that ASR sends, is forwarded to legacy network according to routing table by ISR.
In sum, from above-described embodiment as can be seen that the function of ASR and ISR is compared with prior art different：
For ASR, in the prior art, for uplink message, ASR can be judged according to purpose AID, if mesh
AID belong to legacy network, then after being packaged with the RID of ISR, be sent to ISR；In the above-described embodiments, for up report
Literary composition, ASR judges that its purpose AID if not the address in the range of mark net AID, does not then carry out outer envelope, directly according to road
Message forwarding is carried out by table, message can be forwarded to correct ISR according to routing mode, is forwarded to legacy network by ISR.
For ISR, in the prior art, for the message being sent to legacy network, due to there is outer layer RID encapsulation,
After therefore ISR needs the RID releasing packet outer layer to encapsulate, re-send to legacy network；In the above-described embodiments, due to ASR pair
Do not carry out outer layer RID encapsulation in the message being sent to legacy network, therefore, ISR is also no longer needed for releasing outer envelope, but directly
Connect and forward the message to legacy network by routing mode.
Further, ISR can obtain legacy network routing iinformation, and by legacy network routing iinformation into mark net
Issue, be sent to the message of legacy network and can be routed to correct ISR in mark net to ensure to identify net.Wherein, tradition
Network route information is got according to Routing Protocol by ISR or passes through manual configuration on ISR by webmaster
's.
In the present embodiment, a kind of mark net, including：The interworking service router of access service router and more than 2：
Described access service router is used for after receiving the message that user equipment is sent, if judging described message
Destination address is not belonging in the range of the User Identity of this mark net, then described message is carried out turn according to the first routing table
Send out；
Described interworking service router be used for after receiving the described message that described access service router is sent, according to
Described message is forwarded to legacy network by secondary route table.
It is preferred that
Described first routing table is to be generated according to the routing iinformation that Routing Protocol gets by described access service router
, or be pre-configured to be on described access service router.
It is preferred that
Described secondary route table is to be generated according to the routing iinformation that Routing Protocol gets by described interworking service router
, or be pre-configured to be on described interworking service router.
Correspondingly, the present embodiment additionally provides a kind of access service router, including：
Message receiver module, the message sent for receive user equipment；
Judge module, the purpose User Identity for judging described message that described message receiver module receives is
No belong to this mark net User Identity in the range of；
Packet forwarding module, the purpose User Identity for judging described message in described judge module is not belonging to
When in the range of the User Identity of this mark net, according to routing table, described message is forwarded.
It is preferred that described access service router may also include：
Route acquisition module, for generating described routing table using the routing iinformation getting according to Routing Protocol.
It is preferred that described access service router may also include：
Memory module, for preserving pre-configured described routing table.
Correspondingly, the present embodiment additionally provides a kind of interworking service router, including：
Receiver module, for receiving the message that the access service router in being netted is sent by mark；
Forwarding module, for being forwarded to legacy network according to routing table by the described message receiving.
It is preferred that described interworking service router may also include：
Route acquisition module, for generating described routing table using the routing iinformation getting according to Routing Protocol.
It is preferred that described interworking service router may also include：
Memory module, for preserving pre-configured described routing table.
One of ordinary skill in the art will appreciate that all or part of step in said method can be instructed by program
Related hardware completes, and described program can be stored in computer-readable recording medium, such as read only memory, disk or CD
Deng.Alternatively, all or part of step of above-described embodiment can also be realized using one or more integrated circuits.Accordingly
Ground, each module/unit in above-described embodiment can be to be realized in the form of hardware, it would however also be possible to employ the shape of software function module
Formula is realized.The present invention is not restricted to the combination of the hardware and software of any particular form.
The foregoing is only the preferred embodiments of the present invention, be not intended to limit protection scope of the present invention.According to
The content of the invention of the present invention, also can have other various embodiments, in the case of without departing substantially from present invention spirit and its essence, be familiar with
Those skilled in the art when can according to the present invention make various corresponding change and deform, all in the spirit and principles in the present invention
Within, any modification, equivalent substitution and improvement made etc., should be included within the scope of the present invention.
Claims (18)
1. a kind of method that mark net is interconnected with legacy network, is applied to identify the access service router side of net, including：
After receiving the message that user equipment is sent, if the destination address of described message is not belonging to the user identity of this mark net
In the range of mark, then do not carry out outer envelope, directly according to routing table, described message is forwarded；
Wherein, destination address is the AID of feeling the pulse with the finger-tip.
2. the method for claim 1 it is characterised in that：
Described routing table is to be generated according to the routing iinformation that Routing Protocol gets by described access service router.
3. the method for claim 1 it is characterised in that：
Described routing table is pre-configured to be on described access service router.
4. a kind of method that mark net is interconnected with legacy network, is applied to identify the interworking service router side of net, including：
After the message that access service router is sent in receiving this mark net, do not carry out outer envelope, directly according to route
Described message is forwarded to legacy network by table；
Wherein, the destination address of message is the AID of feeling the pulse with the finger-tip.
5. method as claimed in claim 4 it is characterised in that：
Described routing table is to be generated according to the routing iinformation that Routing Protocol gets by described interworking service router.
6. method as claimed in claim 4 it is characterised in that：
Described routing table is pre-configured to be on described interworking service router.
7. a kind of method that mark net is interconnected with legacy network, including：
Mark net in access service router side after receiving the message that user equipment is sent, if the destination of described message
Location is not belonging in the range of the User Identity of this mark net, then not carry out outer envelope, directly according to the first routing table to institute
State message to be forwarded；
The interworking service router described report that access service router is sent in receiving this mark net in described mark net
Described message is forwarded to legacy network according to secondary route table by Wen Hou；
Wherein, destination address is the AID of feeling the pulse with the finger-tip.
8. method as claimed in claim 7 it is characterised in that：
Described first routing table is to be generated according to the routing iinformation that Routing Protocol gets by described access service router, or
It is pre-configured to be on described access service router.
9. method as claimed in claim 7 or 8 it is characterised in that：
Described secondary route table is to be generated according to the routing iinformation that Routing Protocol gets by described interworking service router, or
It is pre-configured to be on described interworking service router.
10. a kind of mark net, including：The interworking service router of access service router and more than 2：
Described access service router is used for after receiving the message that user equipment is sent, if judging the purpose of described message
Address is not belonging in the range of the User Identity of this mark net, then not carry out outer envelope, directly according to the first routing table pair
Described message is forwarded；
Described interworking service router is used for after receiving the described message that described access service router is sent, according to second
Described message is forwarded to legacy network by routing table；
Wherein, destination address is the AID of feeling the pulse with the finger-tip.
11. as claimed in claim 10 mark nets it is characterised in that：
Described first routing table is to be generated according to the routing iinformation that Routing Protocol gets by described access service router, or
It is pre-configured to be on described access service router.
12. mark nets as described in claim 10 or 11 it is characterised in that：
Described secondary route table is to be generated according to the routing iinformation that Routing Protocol gets by described interworking service router, or
It is pre-configured to be on described interworking service router.
A kind of 13. access service routers, including：
Message receiver module, the message sent for receive user equipment；
Judge module, whether the destination address for judging described message that described message receiver module receives belongs to this mark
In the range of the User Identity of net；
Packet forwarding module, for judge in described judge module the destination address of described message be not belonging to this mark net use
When in the range of the identity of family, do not carry out outer envelope, directly according to routing table, described message is forwarded；
Wherein, destination address is the AID of feeling the pulse with the finger-tip.
14. access service routers as claimed in claim 13 are it is characterised in that also include：
Route acquisition module, for generating described routing table using the routing iinformation getting according to Routing Protocol.
15. access service routers as claimed in claim 13 are it is characterised in that also include：
Memory module, for preserving pre-configured described routing table.
A kind of 16. interworking service routers, including：
Receiver module, for receiving the message that the access service router in being netted is sent by mark；
The described message receiving, for not carrying out outer envelope, is directly forwarded to traditional net according to routing table by forwarding module
Network；
Wherein, the destination address of message is the AID of feeling the pulse with the finger-tip.
17. interworking service routers as claimed in claim 16 are it is characterised in that also include：
Route acquisition module, for generating described routing table using the routing iinformation getting according to Routing Protocol.
18. interworking service routers as claimed in claim 16 are it is characterised in that also include：
Memory module, for preserving pre-configured described routing table.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110304431.3A CN103036758B (en) | 2011-10-10 | 2011-10-10 | Method of interconnection and interworking between identifying net and traditional network, access service router (ASR) and interworking service router (ISR) |
| PCT/CN2012/082103 WO2013053293A1 (en) | 2011-10-10 | 2012-09-27 | Identification network and conventional network interconnection and intercommunication method, asr and isr |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110304431.3A CN103036758B (en) | 2011-10-10 | 2011-10-10 | Method of interconnection and interworking between identifying net and traditional network, access service router (ASR) and interworking service router (ISR) |
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| CN102026166A (en) * | 2009-09-17 | 2011-04-20 | 中兴通讯股份有限公司 | Method of identity identification, cross-network communication and service transplantation as well as information intercommunication network architecture |
| CN102148765A (en) * | 2011-05-10 | 2011-08-10 | 北京交通大学 | Method for realizing interconnection of integrated identification network and traditional IPv4 (Internet Protocol Version 4) internet |
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| WO2013053293A1 (en) | 2013-04-18 |
| CN103036758A (en) | 2013-04-10 |
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