CN103051541A - Method of transmitting message in marked net, and ASR (Access Service Router) and ISR (Internet Service Router) - Google Patents
Method of transmitting message in marked net, and ASR (Access Service Router) and ISR (Internet Service Router) Download PDFInfo
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Abstract
The invention provides a method of transmitting message in marked net, and an ASR (Access Service Router) and an ISR (Internet Service Router). The method is applied on the ISR, and comprises the steps: after a message sent by a public network server is received, and if corresponding RID (Routing-Location Identifier) is not found out according to a target identifier carried in the message, duplicating the message by n times, respectively packaging the preallocated RIDs connected with the ASRs in outer layers of messages as target address, and then respectively sending the packaged messages to the corresponding ASRs, wherein n is the number of the ASRs connected with the ISRs. Compared with the prior art, the ISR or ASR can send the messages responded by a corresponding node to the ASR in a marked net before corresponding mapping table is produced or after a table entry is aged, the corresponding ASR sends the messages to message receiving equipment, thereby ensuring the transmission accuracy of the messages.
Description
Technical field
The present invention relates to the marked net technology, relate in particular to message forwarding method, ASR (Access Service Router, access service router) and ISR (Interworking Service Router, interworking service router) in a kind of marked net.
Background technology
Existing internet widely used ICP/IP protocol (Transmission Control Protocol/Internet Protocol, transmission control protocol/internet protocol) the IP address has dual-use function in, both as the station location marker of communication terminal host network interface in network topology of network layer, again as the identify label of transport layer host network interface.Do not consider the situation of host mobility at the beginning of the ICP/IP protocol design.But when host mobility was more and more general, the semanteme overload defective of this IP address was day by day obvious.When the IP address of main frame changed, not only route will change, and the identify label of communication terminal main frame also changes, and can cause like this routing overhead more and more heavier, and the variation of host identification can cause using and the interruption that is connected.
The purpose that identify label and position separation problem propose is for problems such as the semanteme overload that solves the IP address and routing overhead are serious, the dual-use function of IP address is separated, realize the support that the problems such as exchanging visit between the heterogeneous networks zone in routing overhead and the Next Generation Internet are dynamically heavily distributed, alleviated in mobility, many locals property, IP address.
Marked net is one of relevant identify label solution of separating with the position.In the marked net technical system, with AID (Access Identifier, User Identity) identity information of expression portable terminal, with RID (Routing-Location Identifier, the route station location marker) positional information of expression portable terminal, AID is fixed, and to distribute to the user constant, and RID depends on the ASR at user place.
In existing embodiment, ASR notifies the corresponding relation of the AID of portable terminal (MN) and RID the ISR of Internet (internet) interface at all Correspondent Nodes (Correspondent Node is referred to as the CN) place to this portable terminal or the ASR of Correspondent Node.(as aging etc.) causes not having on the ISR AID of certain portable terminal and the corresponding relation of RID if because some abnormal cause, then mail to the message of this portable terminal and temporarily can't be forwarded owing on ISR, can't find the mapping relations of this AID and RID, treat that ISR is to ILR (Identifier Locator Register, the identity location register) inquires about the corresponding relation of this AID and RID, normally forwarding after ISR forms the map entry of this AID and RID.Such way can cause following consequence:
1) the first mobile terminal-opening is accessed the second portable terminal in public network or this marked net afterwards, if it is untimely that the 2nd ASR that at this moment ISR or the second portable terminal are corresponding processes the corresponding relation of the AID of this first portable terminal that an ASR corresponding to the first portable terminal announcement comes and RID, before the corresponding relation of ISR or the 2nd ASR this AID of formation and RID, the first mobile terminal accessing public network or the second portable terminal will can not get responding so;
2) if because portable terminal does not for a long time have data through other ASR in ISR or this marked net, ISR or other ASR have worn out AID and the RID map entry of this portable terminal, before ISR or other ASR relearn the corresponding relation of this AID and RID, other portable terminals in mobile terminal accessing public network or this marked net will can not get responding so.
Summary of the invention
Main purpose of the present invention is to provide message forwarding method, ASR and the ISR in a kind of marked net, to avoid searching the problem that causes data message to be dropped less than the corresponding relation of corresponding AID and RID.
For addressing the above problem, the invention provides the message forwarding method in a kind of marked net, be applied to comprise on the interworking service router (ISR):
When receiving the message that public network server is sent, if search route station location marker (RID) less than correspondence according to the purpose User Identity that carries in the described message, then described message is copied n part, and after the RID of pre-configured each coupled access service router (ASR) was encapsulated in each packet outer layer as destination address respectively, the message after will encapsulating respectively sent to corresponding ASR; Wherein, n is the number of the ASR that links to each other with described ISR.
Further,
Described RID with pre-configured each coupled ASR is encapsulated in each packet outer layer as destination address respectively, specifically comprises:
For each message that obtains after copying, from the RID of all ASR of safeguarding, repeatedly do not select one to be encapsulated in this packet outer layer as destination address.
Correspondingly, the invention provides the message forwarding method in a kind of marked net, be applied to comprise on the access service router (ASR):
After receiving the message that the interworking service router is sent, search according to the purpose AID that carries in the described message and to transmit, be forwarded to corresponding purpose portable terminal.
Further, described method also comprises:
If in described transmitting, search less than forward-path, then abandon described message.
The present invention also provides the message forwarding method in a kind of marked net, is applied to comprise on the access service router:
During terminal is sent in receiving this device service scope message, if search route station location marker (RID) less than correspondence according to the purpose User Identity that carries in the described message, then described message is copied n part, and after the RID of other pre-configured each coupled access service router (ASR) was encapsulated in each packet outer layer as destination address respectively, the message after will encapsulating respectively sent to corresponding ASR; Wherein, n is the number of the ASR that links to each other with described ISR.
Further,
Described RID with other pre-configured each coupled ASR is encapsulated in each packet outer layer as destination address respectively, specifically comprises:
For each message that obtains after copying, from the RID of all ASR of safeguarding, repeatedly do not select one to be encapsulated in this packet outer layer as destination address.
Further, described method also comprises:
Behind the message that other access service router is sent in receiving this marked net, search according to described purpose AID and to transmit, be forwarded to corresponding purpose portable terminal.
Further, described method also comprises:
If in described transmitting, search less than forward-path, then abandon described message.
Correspondingly, the invention provides a kind of interworking service router (ISR), comprising:
Memory module is preserved the route station location marker (RID) of pre-configured each the access service router (ASR) that links to each other with described ISR;
Receiver module is used for receiving the message that public network server is sent;
Enquiry module, the purpose User Identity that the message that is used for receiving according to described receiver module carries is searched corresponding RID;
Package module is used for when described enquiry module does not find corresponding RID, and the message that described receiver module is received copies n part, and each RID that preserves in institute's memory module is encapsulated in each packet outer layer as destination address respectively; Wherein, n is the number of the ASR that links to each other with described ISR;
Sending module, the message after being used for encapsulating sends to corresponding ASR.
Further,
Described package module is used for for each message that obtains after copying, and does not repeatedly select one to be encapsulated in this packet outer layer as destination address from the RID of all ASR of safeguarding.
Correspondingly, the invention provides a kind of access service router (ASR), comprising:
Receiver module is used for receiving the message that the interworking service router is sent;
Forwarding module, the purpose AID that the described message that is used for receiving according to described receiver module carries searches and transmits, and is forwarded to corresponding purpose portable terminal.
Further,
Described forwarding module is used for transmitting when searching less than forward-path described, abandons described message.
Correspondingly, the invention provides a kind of access service router (ASR), comprising:
Memory module is preserved the route station location marker (RID) of pre-configured other each the access service router that links to each other with this access service router;
Receiver module is used for receiving the message that the terminal in this device service scope is sent;
Enquiry module, the purpose User Identity that the message that is used for receiving according to described receiver module carries is searched corresponding RID;
Package module is used for when described enquiry module does not find corresponding RID, and the message that described receiver module is received copies n part, and each RID that preserves in institute's memory module is encapsulated in each packet outer layer as destination address respectively; Wherein, n is the number of the ASR that links to each other with described ISR;
Sending module, the message after being used for encapsulating sends to corresponding ASR.
Further,
Described package module is used for for each message that obtains after copying, and does not repeatedly select one to be encapsulated in this packet outer layer as destination address from the RID of all ASR of safeguarding.
Further, described ASR also comprises forwarding module;
Receiver module also is used for receiving the message that other access service router is sent;
The purpose AID that the message that other access service router is sent in this marked net that described forwarding module is used for receiving according to described receiver module carries searches and transmits, and is forwarded to corresponding purpose portable terminal.
Further, described ASR also comprises forwarding module;
Described forwarding module also is used for transmitting when searching less than forward-path described, abandons the described message that other access service router is sent in this marked net that receives.
Compared with prior art, after adopting the present invention, before corresponding mapping item generates or list item aging after, ISR or ASR still can send to the message that Correspondent Node is replied the ASR in this marked net, send to the receiving device of this message by corresponding ASR, guaranteed the accuracy rate of message transmissions.
Description of drawings
Fig. 1 is the message forwarding method flow chart in the marked net in the embodiment of the invention;
Fig. 2 is the structural representation of ISR in the embodiment of the invention;
Fig. 3 is that the present invention uses public network in the example one and beams back message broadcast data in marked net of portable terminal and flow to schematic diagram;
Fig. 4 be the present invention when using in the example two other portable terminals of mobile terminal accessing in marked net broadcast data flow to schematic diagram.
Embodiment
For making the purpose, technical solutions and advantages of the present invention clearer, hereinafter in connection with accompanying drawing embodiments of the invention are elaborated.Need to prove that in the situation of not conflicting, the embodiment among the application and the feature among the embodiment be combination in any mutually.
The equipment that present embodiment relates to comprises:
Portable terminal, its identify label are AID;
ASR is responsible for access-in management and the mobile management of portable terminal, and RID is arranged on the ASR;
ISR is responsible for connection identifier net and internet, also has RID.
In the present embodiment, the message forwarding method in a kind of marked net as shown in Figure 1, comprising:
Steps A, the upper RID (RID1, RID2......RIDn) that safeguards all ASR in this coupled marked net of ISR, the broadcasting table of an ASR of formation;
Step B, ISR is when receiving the message that public network server is sent, if search RID less than correspondence according to the purpose AID that carries in this message, then this message is copied n part, for each message that obtains after copying, after from the RID of all ASR of safeguarding, repeatedly not selecting one to be encapsulated in this packet outer layer as destination address, the message after this encapsulation is sent to corresponding ASR;
Step C, ASR after receiving above-mentioned message, this message carried out decapsulation after, search according to purpose AID and to transmit, be forwarded to corresponding purpose portable terminal; If in transmitting, search less than corresponding forward-path, then abandon this message.
Correspondingly, in the present embodiment, a kind of ISR as shown in Figure 2, comprising:
Memory module is preserved the RID of pre-configured each ASR that links to each other with described ISR;
Receiver module is used for receiving the message that public network server is sent;
Enquiry module, the purpose User Identity that the message that is used for receiving according to described receiver module carries is searched corresponding RID;
Package module is used for when described enquiry module does not find corresponding RID, and the message that described receiver module is received copies n part, and each RID that preserves in institute's memory module is encapsulated in each packet outer layer as destination address respectively; Wherein, n is the number of the ASR that links to each other with described ISR;
Sending module, the message after being used for encapsulating sends to corresponding ASR.
Preferably,
Described package module is used for for each message that obtains after copying, and does not repeatedly select one to be encapsulated in this packet outer layer as destination address from the RID of all ASR of safeguarding.
Correspondingly, present embodiment provides a kind of ASR, comprising:
Receiver module is used for receiving the message that the interworking service router is sent;
Forwarding module, the purpose AID that the described message that is used for receiving according to described receiver module carries searches and transmits, and is forwarded to corresponding purpose portable terminal.
Preferably,
Described forwarding module is used for transmitting when searching less than forward-path described, abandons described message.
In the present embodiment, the message forwarding method in a kind of marked net is applied to comprise on the ASR:
Steps A, the upper RID (RID1, RID2......RIDn) that safeguards all other ASR in this coupled marked net of ASR, the broadcasting table of an ASR of formation;
Step B, during the ASR message that other ASR sends in receiving this marked net, if search RID less than correspondence according to the purpose AID that carries in this message, then this message is copied n part, for each message that obtains after copying, after from the RID of all ASR of safeguarding, repeatedly not selecting one to be encapsulated in this packet outer layer as destination address, the message after this encapsulation is sent to corresponding ASR;
Step C, other ASR after receiving above-mentioned message, this message carried out decapsulation after, search according to purpose AID and to transmit, be forwarded to corresponding purpose portable terminal; If in transmitting, search less than corresponding forward-path, then abandon this message.
Correspondingly, present embodiment provides a kind of ASR, comprising:
Memory module is preserved the RID of pre-configured other each the access service router that links to each other with this access service router;
Receiver module is used for receiving the message that the terminal in this device service scope is sent;
Enquiry module, the purpose User Identity that the message that is used for receiving according to described receiver module carries is searched corresponding RID;
Package module is used for when described enquiry module does not find corresponding RID, and the message that described receiver module is received copies n part, and each RID that preserves in institute's memory module is encapsulated in each packet outer layer as destination address respectively; Wherein, n is the number of the ASR that links to each other with described ISR;
Sending module, the message after being used for encapsulating sends to corresponding ASR.
Preferably,
Described package module is used for for each message that obtains after copying, and does not repeatedly select one to be encapsulated in this packet outer layer as destination address from the RID of all ASR of safeguarding.
Preferably, described ASR also comprises forwarding module;
Receiver module also is used for receiving the message that other access service router is sent;
The purpose AID that the message that other access service router is sent in this marked net that described forwarding module is used for receiving according to described receiver module carries searches and transmits, and is forwarded to corresponding purpose portable terminal.
Preferably, described ASR also comprises forwarding module;
Described forwarding module also is used for transmitting when searching less than forward-path described, abandons the described message that other access service router is sent in this marked net that receives.
The below uses example with two the present invention is further specified.
Use example one
As shown in Figure 3, may further comprise the steps:
Steps A, the RID of all ASR that the upper maintenance of ISR is coupled (RID1, RID2 ..., RIDn) form an ASR broadcasting table;
Step B, mobile terminal accessing public network (identify label of this portable terminal is AID1, and station location marker is RID1) namely sends message by network element in the marked net to public network;
Step C, after ISR receives the response message of public network server answer, the mapping relations of searching AID and RID with the purpose IP that carries in this response message (being the AID1 of portable terminal), and encapsulate this response message with the RID that finds as outer purpose IP, then this response message is sent to ASR corresponding to this RID that finds; If search the RID less than correspondence, the ASR broadcasting table of then preserving according to this locality, the response message that receives is copied n part, and it is outer that each RID in the ASR broadcasting table is encapsulated in each response message as destination address respectively, then respectively the response message after this encapsulation sent to corresponding ASR;
Step D, the ASR that receives response message searches according to the purpose AID that carries in this message and transmits, and response message is forwarded to correct purpose portable terminal; If search less than forward-path, then abandon this response message.
Use example two
As described in Figure 4, may further comprise the steps:
Steps A, safeguard on the ASR all coupled in this marked net ASR RID (RID1, RID2 ..., RIDn) form an ASR broadcasting table;
Step B, portable terminal 1 (identify label of MN1 is AID1, and station location marker is RID1) access portable terminal 2 (identify label of MN2 is AID2, and station location marker is RID2); Namely send message by ASR1 to portable terminal 2;
Step C, after ASR1 receives the message that portable terminal 1 sends, the mapping relations of searching AID and RID with the purpose IP that carries in this message (being AID1), and encapsulate this message with the RID that finds as outer purpose IP, then this message is sent to ASR corresponding to this RID that finds; If search the RID less than correspondence, the ASR broadcasting table of then preserving according to this locality, the response message that receives is copied n part, and it is outer that each RID in the ASR broadcasting table is encapsulated in each response message as destination address respectively, then respectively the response message after this encapsulation sent to corresponding ASR;
After step D, ASR2 receive this message, search according to the purpose AID that carries in this message and to transmit, forward the packet to correct purpose portable terminal 2; And other ASR are upper owing to not preserving corresponding forward-path, so can abandon this message that receives.
One of ordinary skill in the art will appreciate that all or part of step in the said method can come the instruction related hardware to finish by program, described program can be stored in the computer-readable recording medium, such as read-only memory, disk or CD etc.Alternatively, all or part of step of above-described embodiment also can realize with one or more integrated circuits.Correspondingly, each the module/unit in above-described embodiment can adopt the form of hardware to realize, also can adopt the form of software function module to realize.The present invention is not restricted to the combination of the hardware and software of any particular form.
The above is the preferred embodiments of the present invention only, is not for limiting protection scope of the present invention.According to summary of the invention of the present invention; also other various embodiments can be arranged; in the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art are when making according to the present invention various corresponding changes and distortion; within the spirit and principles in the present invention all; any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. the message forwarding method in the marked net is applied to comprise on the interworking service router (ISR):
When receiving the message that public network server is sent, if search route station location marker (RID) less than correspondence according to the purpose User Identity that carries in the described message, then described message is copied n part, and after the RID of pre-configured each coupled access service router (ASR) was encapsulated in each packet outer layer as destination address respectively, the message after will encapsulating respectively sent to corresponding ASR; Wherein, n is the number of the ASR that links to each other with described ISR.
2. the method for claim 1 is characterized in that:
Described RID with pre-configured each coupled ASR is encapsulated in each packet outer layer as destination address respectively, specifically comprises:
For each message that obtains after copying, from the RID of all ASR of safeguarding, repeatedly do not select one to be encapsulated in this packet outer layer as destination address.
3. the message forwarding method in the marked net is applied to comprise on the access service router (ASR):
After receiving the message that the interworking service router is sent, search according to the purpose AID that carries in the described message and to transmit, be forwarded to corresponding purpose portable terminal.
4. method as claimed in claim 3 is characterized in that, also comprises:
If in described transmitting, search less than forward-path, then abandon described message.
5. the message forwarding method in the marked net is applied to comprise on the access service router:
During terminal is sent in receiving this device service scope message, if search route station location marker (RID) less than correspondence according to the purpose User Identity that carries in the described message, then described message is copied n part, and after the RID of other pre-configured each coupled access service router (ASR) was encapsulated in each packet outer layer as destination address respectively, the message after will encapsulating respectively sent to corresponding ASR; Wherein, n is the number of the ASR that links to each other with described ISR.
6. method as claimed in claim 5 is characterized in that:
Described RID with other pre-configured each coupled ASR is encapsulated in each packet outer layer as destination address respectively, specifically comprises:
For each message that obtains after copying, from the RID of all ASR of safeguarding, repeatedly do not select one to be encapsulated in this packet outer layer as destination address.
7. method as claimed in claim 5 is characterized in that, also comprises:
Behind the message that other access service router is sent in receiving this marked net, search according to described purpose AID and to transmit, be forwarded to corresponding purpose portable terminal.
8. method as claimed in claim 7 is characterized in that, also comprises:
If in described transmitting, search less than forward-path, then abandon described message.
9. an interworking service router (ISR) comprising:
Memory module is preserved the route station location marker (RID) of pre-configured each the access service router (ASR) that links to each other with described ISR;
Receiver module is used for receiving the message that public network server is sent;
Enquiry module, the purpose User Identity that the message that is used for receiving according to described receiver module carries is searched corresponding RID;
Package module is used for when described enquiry module does not find corresponding RID, and the message that described receiver module is received copies n part, and each RID that preserves in institute's memory module is encapsulated in each packet outer layer as destination address respectively; Wherein, n is the number of the ASR that links to each other with described ISR;
Sending module, the message after being used for encapsulating sends to corresponding ASR.
10. ISR as claimed in claim 9 is characterized in that:
Described package module is used for for each message that obtains after copying, and does not repeatedly select one to be encapsulated in this packet outer layer as destination address from the RID of all ASR of safeguarding.
11. an access service router (ASR) comprising:
Receiver module is used for receiving the message that the interworking service router is sent;
Forwarding module, the purpose AID that the described message that is used for receiving according to described receiver module carries searches and transmits, and is forwarded to corresponding purpose portable terminal.
12. ASR as claimed in claim 11 is characterized in that:
Described forwarding module is used for transmitting when searching less than forward-path described, abandons described message.
13. an access service router (ASR) comprising:
Memory module is preserved the route station location marker (RID) of pre-configured other each the access service router that links to each other with this access service router;
Receiver module is used for receiving the message that the terminal in this device service scope is sent;
Enquiry module, the purpose User Identity that the message that is used for receiving according to described receiver module carries is searched corresponding RID;
Package module is used for when described enquiry module does not find corresponding RID, and the message that described receiver module is received copies n part, and each RID that preserves in institute's memory module is encapsulated in each packet outer layer as destination address respectively; Wherein, n is the number of the ASR that links to each other with described ISR;
Sending module, the message after being used for encapsulating sends to corresponding ASR.
14. ASR as claimed in claim 13 is characterized in that:
Described package module is used for for each message that obtains after copying, and does not repeatedly select one to be encapsulated in this packet outer layer as destination address from the RID of all ASR of safeguarding.
15. ASR as claimed in claim 13 is characterized in that, also comprises forwarding module;
Receiver module also is used for receiving the message that other access service router is sent;
The purpose AID that the message that other access service router is sent in this marked net that described forwarding module is used for receiving according to described receiver module carries searches and transmits, and is forwarded to corresponding purpose portable terminal.
16. ASR as claimed in claim 15 is characterized in that, also comprises:
Described forwarding module also is used for transmitting when searching less than forward-path described, abandons the described message that other access service router is sent in this marked net that receives.
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| CN201110312745.8A CN103051541B (en) | 2011-10-14 | 2011-10-14 | Message forwarding method, ASR and ISR in a kind of mark net |
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| CN201110312745.8A CN103051541B (en) | 2011-10-14 | 2011-10-14 | Message forwarding method, ASR and ISR in a kind of mark net |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480286A (en) * | 2017-08-24 | 2017-12-15 | 山东浪潮通软信息科技有限公司 | A kind of message processing method and trusted systems |
| CN108768849A (en) * | 2018-06-20 | 2018-11-06 | 新华三技术有限公司 | Message processing method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102025516B (en) * | 2009-09-16 | 2015-05-13 | 中兴通讯股份有限公司 | Method and system for realizing multicast service |
| CN102026166B (en) * | 2009-09-17 | 2014-03-19 | 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 |
| CN102025589B (en) * | 2009-09-18 | 2015-04-01 | 中兴通讯股份有限公司 | Method and system for realizing virtual private network |
| CN102036215B (en) * | 2009-09-25 | 2013-05-08 | 中兴通讯股份有限公司 | Method and system for implementing internetwork roaming and query and network attachment method and system |
| CN102098349A (en) * | 2009-12-09 | 2011-06-15 | 中兴通讯股份有限公司 | Address mapping method and access service node |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107480286A (en) * | 2017-08-24 | 2017-12-15 | 山东浪潮通软信息科技有限公司 | A kind of message processing method and trusted systems |
| CN107480286B (en) * | 2017-08-24 | 2020-08-11 | 浪潮通用软件有限公司 | Message processing method and trusted system |
| CN108768849A (en) * | 2018-06-20 | 2018-11-06 | 新华三技术有限公司 | Message processing method and device |
| CN108768849B (en) * | 2018-06-20 | 2020-09-08 | 新华三技术有限公司 | Message processing method and device |
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