CN102396285A - Method and system for tunnel renegotiation, access gateway and terminal thereof - Google Patents
Method and system for tunnel renegotiation, access gateway and terminal thereof Download PDFInfo
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- CN102396285A CN102396285A CN2010800052167A CN201080005216A CN102396285A CN 102396285 A CN102396285 A CN 102396285A CN 2010800052167 A CN2010800052167 A CN 2010800052167A CN 201080005216 A CN201080005216 A CN 201080005216A CN 102396285 A CN102396285 A CN 102396285A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/02—Network architectures or network communication protocols for network security for separating internal from external traffic, e.g. firewalls
- H04L63/0272—Virtual private networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/22—Manipulation of transport tunnels
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- Computer Hardware Design (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- General Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A method and system for tunnel renegotiation, and an access gateway and a terminal are provided by the embodiments in the present invention, relating to the field of network security. Said method includes: after receiving the first tunnel setup request message sent by a terminal, assigning an identifier and a service processing module to the terminal; establishing the mapping relations between the identifier and the service processing module; returning the first tunnel setup response message carrying the identifier to the terminal; receiving the second tunnel setup request message carrying the identifier sent by the terminal; according to the mapping relations, obtaining the service processing module corresponding to the identifier, and assigning the service processing module to the terminal. The embodiments also include the corresponding access gateway, terminal and tunnel renegotiation system composed of the access gateway and the terminal. By said solution, the present invention makes the terminal be assigned to the same service processing module in repeated tunnel renegotiation, eliminates the garbage user resources in the access gateway, and reduces the processing burden of the access gateway.
Description
Method and system and access gateway and field of terminal technology that tunnel is consulted again
The present invention relates to network safety filed, method and system and access gateway and terminal that more particularly to a kind of tunnel is consulted again.Say
Background technology
The tunnel for setting up safety is needed to connect in order to ensure the security of access, between terminal and access gateway, then, terminal carries out the operation such as service application using the secure tunnel.
Tunnel establishment procedure sets up the negotiations process again of process and tunnel, terminal and book during original tunnel is set up including original tunnel
SA (Security Association, Security Association are established between access gateway）, because the corresponding SA of secure tunnel can be expired, if proceeding connection, both sides need to renegotiate to set up new SA, and this process is referred to as tunnel negotiations process again.Process is set up with reference to the original tunnel of terminal, tunnel negotiations process again is introduced.
During original tunnel foundation, the distribution of services management module of access gateway is received after the tunnel building request message of terminal transmission, for one Service Processing Module of terminal distribution, Service Processing Module 1 is set to, Service Processing Module 1 sends to terminal and identified.
In tunnel again negotiations process, the distribution of services management module of access gateway is received after the tunnel building request message of terminal transmission, for one Service Processing Module of terminal distribution, Service Processing Module 2 is set to, Service Processing Module 2 sends to terminal and identified.Terminal finds that mark conflicts on different Service Processing Modules, and the Service Processing Module 1 distributed during being set up to original tunnel initiates to remove the process of user resources.Wherein, user resources can be user context information.
During the present invention is realized, inventor has found that prior art at least has problems with：
Existing tunnel renegotiation method causes the junk user resource that there is terminal in access gateway, it is necessary to which the cleaning of extra mechanism progress waste resources, adds the processing load of access gateway.The content of the invention
In order to eliminate the junk user resource in access gateway, so that mitigate the processing load of access gateway, the method and system and access gateway and terminal consulted again the embodiments of the invention provide a kind of tunnel.The technical scheme is as follows：
A kind of method that tunnel is consulted again, methods described includes：
It is described one mark of terminal distribution and Service Processing Module after the first tunnel building request message that receiving terminal is sent；
Set up the mark and the mapping relations of the Service Processing Module；
The the first tunnel building response message for carrying the mark is returned to the terminal；
Receive the second tunnel building request message of the carrying mark that the terminal is sent；
The corresponding Service Processing Module of the mark is obtained according to the mapping relations, and the Service Processing Module is distributed into the terminal.
A kind of method that tunnel is consulted again, methods described includes：
Terminal sends the first tunnel building request message to access gateway, and it is described one mark of terminal distribution and Service Processing Module to make the access gateway, and sets up the mark and the mapping relations of the Service Processing Module；
The terminal receives the first tunnel building response message of the carrying mark that the access gateway is returned；The terminal sends the second tunnel building request message for carrying the mark to the access gateway, the access gateway is obtained the corresponding Service Processing Module of the mark according to the mapping relations, and the Service Processing Module is distributed into the terminal.
A kind of access gateway, the access gateway includes：Distribution of services management module and at least one Service Processing Module；The distribution of services management module includes：
It is described one mark of terminal distribution and Service Processing Module after first allocation unit, the first tunnel building request message sent for receiving terminal；
Unit is set up, the mapping relations for setting up the mark and the Service Processing Module；
Transmitting element, the first tunnel building response message of the mark is carried for being returned to the terminal；
Receiving unit, the second tunnel building request message for receiving the carrying mark that the terminal is sent；Second allocation unit, for obtaining the corresponding Service Processing Module of the mark according to the mapping relations, and distributes to the terminal by the Service Processing Module.
A kind of terminal, the terminal includes：
First sending module, for sending the first tunnel building request message to access gateway, it is described one mark of terminal distribution and Service Processing Module to make the access gateway, and sets up the mark and the mapping relations of the Service Processing Module；Receiving module, the first tunnel building response message for receiving the carrying mark that the access gateway is returned；Second sending module, the second tunnel building request message of the mark is carried for being sent to the access gateway, the access gateway is obtained the corresponding Service Processing Module of the mark according to the mapping relations, and the Service Processing Module is distributed into the terminal.
A kind of system that tunnel is consulted again, the system includes：Terminal and access gateway；
The terminal, for sending the first tunnel building request message to the access gateway；Receive the first tunnel building response message of the carrying mark that the access gateway is returned；The second tunnel building for carrying the mark is sent to the access gateway
Request message；
The access gateway, is described one mark of terminal distribution and Service Processing Module for receiving after the first tunnel building request message that the terminal is sent；Set up the mark and the mapping relations of the Service Processing Module；The the first tunnel building response message for carrying the mark is returned to the terminal；Receive the second tunnel building request message of the carrying mark that the terminal is sent；The corresponding Service Processing Module of the mark is obtained according to the mapping relations, and the Service Processing Module is distributed into the terminal.
The beneficial effect of technical scheme provided in an embodiment of the present invention is：
After the first tunnel building request message sent by access gateway receiving terminal, for one mark of terminal distribution and Service Processing Module, and set up mark and the mapping relations of Service Processing Module, the the first tunnel building response message for carrying mark is returned to terminal, then the second tunnel building request message that the carrying that receiving terminal is sent is identified, obtained according to mapping relations and identify corresponding Service Processing Module, and Service Processing Module is distributed into terminal, so that a terminal is assigned to identical Service Processing Module in multiple tunnel negotiation, so as to eliminate the junk user resource in access gateway, alleviate the processing load of access gateway.Brief description of the drawings
Fig. 1 is the method flow diagram that the tunnel that the embodiment of the present invention 1 is provided is consulted again；
Fig. 2 is the another method flow chart that the tunnel that the embodiment of the present invention 1 is provided is consulted again;
Fig. 3 is the method flow diagram that the tunnel that the embodiment of the present invention 2 is provided is consulted again；
Fig. 4 is the access gateway structural representation that the embodiment of the present invention 3 is provided；
Fig. 5 is the terminal structure schematic diagram that the embodiment of the present invention 4 is provided；
Fig. 6 is the system schematic that the tunnel that the embodiment of the present invention 5 is provided is consulted again.Embodiment
To make the object, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
Referring to Fig. 1, a kind of method that tunnel is consulted again is present embodiments provided, for access gateway, including：
101a:It is one mark of terminal distribution and Service Processing Module after the first tunnel building request message that receiving terminal is sent；
102a:Set up mark and the mapping relations of Service Processing Module；
103a:The the first tunnel building response message for carrying mark is returned to terminal；
104a:Second tunnel building request message of the carrying mark that receiving terminal is sent；
105a:Obtained according to mapping relations and identify corresponding Service Processing Module, and Service Processing Module is distributed into terminal.Accordingly, referring to Fig. 2, the present embodiment additionally provides a kind of method that tunnel is consulted again, for terminal, including： 101b:Terminal sends the first tunnel building request message to access gateway, and it is one mark of terminal distribution and Service Processing Module to make access gateway, and sets up mark and the mapping relations of Service Processing Module；
102b:Terminal receives the first tunnel building response message of the carrying mark that access gateway is returned；
103b:Terminal sends the second tunnel building request message for carrying mark to access gateway, access gateway is obtained according to mapping relations and identifies corresponding Service Processing Module, and Service Processing Module is distributed into terminal.
The method that the present embodiment is provided, after the first tunnel building request message sent by access gateway receiving terminal, for one mark of terminal distribution and Service Processing Module, and set up mark and the mapping relations of Service Processing Module, the the first tunnel building response message for carrying mark is returned to terminal, then the second tunnel building request message that the carrying that receiving terminal is sent is identified, obtained according to mapping relations and identify corresponding Service Processing Module, and Service Processing Module is distributed into terminal, so that a terminal is assigned to identical Service Processing Module in multiple tunnel negotiation, eliminate the junk user resource in access gateway, alleviate the processing load of access gateway.Embodiment 2
Referring to Fig. 3, a kind of method that tunnel is consulted again is present embodiments provided, including original tunnel sets up the negotiations process again of process and tunnel.
During original tunnel foundation,
201：The first tunnel building request message that the distribution of services management module receiving terminal of access gateway is sent
IKE—SA T REQ;
202：The distribution of services management module of access gateway is one mark of terminal distribution and Service Processing Module；
Wherein, mark can uniquely represent business information of the terminal in the access gateway, such as Service Processing Module.Mark specifically can be with SPI (Security Parameter Index, Security Parameter Index）, terminal local IP (Internet Protocol, Internet protocol）Address or session identification etc., the present embodiment is not limited.
Wherein, access gateway includes at least one Service Processing Module, generally includes only to be indicated by taking Service Processing Module 1 and Service Processing Module 2 as an example in multiple Service Processing Modules, Fig. 2.Herein, if the Service Processing Module of distribution is Service Processing Module 1
203：The distribution of services management module of access gateway sets up the mark and the mapping relations of the Service Processing Module；Herein, the mapping relations of the mark and Service Processing Module 1 are established.
204：The distribution of services management module of access gateway returns to the first tunnel building response message IKE_SA_INIT to terminal
The mark of distribution is carried in RSP, message.
Further, terminal can preserve the mark, so that terminal can be assigned to identical Service Processing Module consult in follow-up multiple tunnel again in.
In tunnel again negotiations process,
301：The second tunnel building request message that the distribution of services management module receiving terminal of access gateway is sent
The mark of distribution is carried in IKE_SA_INIT REQ, message；
302：The distribution of services management module of access gateway obtains the corresponding Service Processing Module of the mark according to mapping relations；Herein, the corresponding Service Processing Module of the mark is got for Service Processing Module 1 according to mapping relations, namely original tunnel sets up the Service Processing Module that process is the terminal distribution.
303：The distribution of services management module of access gateway is the Service Processing Module that terminal distribution is got；
304：The distribution of services management module of access gateway returns to the second tunnel building response message IKE_SA_INIT to terminal
RSP;
Further, the mark of distribution can be carried in the second tunnel building response message, so that terminal can be assigned to identical Service Processing Module in tunnel next time again negotiations process.In addition, if terminal saves the mark in step 204, then the mark of distribution can not also be carried in the second tunnel building response message.
The method that the present embodiment is provided, after the first tunnel building request message sent by access gateway receiving terminal, for one mark of terminal distribution and Service Processing Module, and set up mark and the mapping relations of Service Processing Module, the the first tunnel building response message for carrying mark is returned to terminal, then the second tunnel building request message that the carrying that receiving terminal is sent is identified, obtained according to mapping relations and identify corresponding Service Processing Module, and Service Processing Module is distributed into terminal, so that a terminal is assigned to identical Service Processing Module in multiple tunnel negotiation, eliminate the junk user resource in access gateway, alleviate the processing load of access gateway.Embodiment 3
Referring to Fig. 4, a kind of access gateway is present embodiments provided, including：Distribution of services management module 401 and at least one Service Processing Module 402;
Distribution of services management module 401 includes：
It is one mark of terminal distribution and Service Processing Module 402 after first allocation unit, the first tunnel building request message sent for receiving terminal;
Unit is set up, the mapping relations for setting up mark and Service Processing Module 402；
Transmitting element, the first tunnel building response message of mark is carried for being returned to terminal；
Receiving unit, the second tunnel building request message of the carrying mark sent for receiving terminal；
Second allocation unit, identifies corresponding Service Processing Module 402, and Service Processing Module 402 is distributed into terminal for being obtained according to mapping relations.
Wherein, mark is Security Parameter Index SPI, the local ip address or session identification of terminal.
The access gateway that the present embodiment is provided, belongs to same design, it implements process and refers to embodiment of the method, repeats no more here with embodiment of the method.
The access gateway that the present embodiment is provided, after the first tunnel building request message sent by receiving terminal, for one mark of terminal distribution and Service Processing Module, and set up mark and the mapping relations of Service Processing Module, the the first tunnel building response message for carrying mark is returned to terminal, then the second tunnel building request message that the carrying that receiving terminal is sent is identified, obtained according to mapping relations and identify corresponding Service Processing Module, and Service Processing Module is distributed into terminal, so that a terminal is assigned to identical Service Processing Module in multiple tunnel negotiation, eliminate the junk user resource in access gateway, alleviate the processing load of access gateway.Embodiment 4
Referring to Fig. 5, a kind of terminal is present embodiments provided, the terminal includes：
First sending module 501, for sending the first tunnel building request message to access gateway, it is one mark of terminal distribution and Service Processing Module to make access gateway, and sets up mark and the mapping relations of Service Processing Module；
Receiving module, the first tunnel building response message of the carrying mark for receiving access gateway return；
Second sending module 502, the second tunnel building request message of mark is carried for being sent to access gateway, access gateway is obtained according to mapping relations and is identified corresponding Service Processing Module, and Service Processing Module is distributed into terminal.
Wherein, mark is Security Parameter Index SPI, the local ip address or session identification of terminal.
The terminal that the present embodiment is provided, belongs to same design, it implements process and refers to embodiment of the method, repeats no more here with embodiment of the method.
The terminal that the present embodiment is provided, by sending the first tunnel building request message to access gateway, it is one mark of terminal distribution and Service Processing Module to make access gateway, and set up mark and the mapping relations of Service Processing Module, receive the first tunnel building response message of the carrying mark that access gateway is returned, the the second tunnel building request message for carrying mark is sent to access gateway, access gateway is obtained according to mapping relations and identify corresponding Service Processing Module, and the Service Processing Module is distributed into terminal, so that a terminal is assigned to identical Service Processing Module in multiple tunnel negotiation, eliminate the junk user resource in access gateway, alleviate the processing load of access gateway.Embodiment 5
Referring to Fig. 6, the system that a kind of tunnel is consulted again is present embodiments provided, including：Terminal 601 and access gateway 602;
Terminal 601, for sending the first tunnel building request message to access gateway 602；Receive the first tunnel building response message of the carrying mark that access gateway 602 is returned；The the second tunnel building request message for carrying mark is sent to access gateway 602；
It is that terminal 601 distributes a mark and Service Processing Module after access gateway 602, the first tunnel building request message sent for receiving terminal 601；Set up mark and the mapping relations of Service Processing Module；The the first tunnel building response message for carrying mark is returned to terminal 601；Second tunnel building request message of the carrying mark that receiving terminal 601 is sent；Obtained according to mapping relations and identify corresponding Service Processing Module, and Service Processing Module is distributed into terminal 601.
Wherein, mark is Security Parameter Index SPI, the local ip address or session identification of terminal.
The system that the present embodiment is provided, belongs to same design, it implements process and refers to embodiment of the method, repeats no more here with embodiment of the method.
The system that the present embodiment is provided, after the first tunnel building request message sent by access gateway receiving terminal, for one mark of terminal distribution and Service Processing Module, and set up mark and the mapping relations of Service Processing Module, the the first tunnel building response message for carrying mark is returned to terminal, then the second tunnel building request message that the carrying that receiving terminal is sent is identified, obtained according to mapping relations and identify corresponding Service Processing Module, and Service Processing Module is distributed into terminal, so that a terminal is assigned to identical Service Processing Module in multiple tunnel negotiation, so as to eliminate the junk user resource in access gateway, alleviate the processing load of access gateway.The embodiment of the present invention can realize that corresponding software program can be stored in the storage medium that can be read, for example, in the hard disk of computer, caching or CD using software.Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc. should be included in the scope of the protection.
Claims (9)
- Claims1st, a kind of method that tunnel is consulted again, it is characterised in that methods described includes：It is described one mark of terminal distribution and Service Processing Module after the first tunnel building request message that receiving terminal is sent；Set up the mark and the mapping relations of the Service Processing Module；The the first tunnel building response message for carrying the mark is returned to the terminal；Receive the second tunnel building request message of the carrying mark that the terminal is sent；The corresponding Service Processing Module of the mark is obtained according to the mapping relations, and the Service Processing Module is distributed into the terminal.2nd, the method as described in claim 1, it is characterised in that the mark is Security Parameter Index SPI, the local ip address or session identification of the terminal.3rd, a kind of method that tunnel is consulted again, it is characterised in that methods described includes：Terminal sends the first tunnel building request message to access gateway, and it is described one mark of terminal distribution and Service Processing Module to make the access gateway, and sets up the mark and the mapping relations of the Service Processing Module；The terminal receives the first tunnel building response message of the carrying mark that the access gateway is returned；The terminal sends the second tunnel building request message for carrying the mark to the access gateway, the access gateway is obtained the corresponding Service Processing Module of the mark according to the mapping relations, and the Service Processing Module is distributed into the terminal.4th, method as claimed in claim 3, it is characterised in that the mark is Security Parameter Index SPI, the local ip address or session identification of the terminal.5th, a kind of access gateway, it is characterised in that the access gateway includes：Distribution of services management module and at least one Service Processing Module；The distribution of services management module includes：It is described one mark of terminal distribution and Service Processing Module after first allocation unit, the first tunnel building request message sent for receiving terminal；Unit is set up, the mapping relations for setting up the mark and the Service Processing Module；Transmitting element, the first tunnel building response message of the mark is carried for being returned to the terminal；Receiving unit, the second tunnel building request message for receiving the carrying mark that the terminal is sent；Second allocation unit, for obtaining the corresponding Service Processing Module of the mark according to the mapping relations, and distributes to the terminal by the Service Processing Module. 6th, access gateway as claimed in claim 5, it is characterised in that the mark is Security Parameter Index SPI, the local ip address or session identification of the terminal.7th, a kind of terminal, it is characterised in that the terminal includes：First sending module, for sending the first tunnel building request message to access gateway, it is described one mark of terminal distribution and Service Processing Module to make the access gateway, and sets up the mark and the mapping relations of the Service Processing Module；Receiving module, the first tunnel building response message for receiving the carrying mark that the access gateway is returned；Second sending module, the second tunnel building request message of the mark is carried for being sent to the access gateway, the access gateway is obtained the corresponding Service Processing Module of the mark according to the mapping relations, and the Service Processing Module is distributed into the terminal.8th, terminal as claimed in claim 7, it is characterised in that the mark is Security Parameter Index SPI, the local ip address or session identification of the terminal.9th, the system that a kind of tunnel is consulted again, it is characterised in that the system includes：Terminal and access gateway；The terminal, for sending the first tunnel building request message to the access gateway；Receive the first tunnel building response message of the carrying mark that the access gateway is returned；The the second tunnel building request message for carrying the mark is sent to the access gateway；The access gateway, is described one mark of terminal distribution and Service Processing Module for receiving after the first tunnel building request message that the terminal is sent；Set up the mark and the mapping relations of the Service Processing Module；The the first tunnel building response message for carrying the mark is returned to the terminal；Receive the second tunnel building request message of the carrying mark that the terminal is sent；The corresponding Service Processing Module of the mark is obtained according to the mapping relations, and the Service Processing Module is distributed into the terminal.10th, system as claimed in claim 9, it is characterised in that the mark is Security Parameter Index SPI, the local ip address or session identification of the terminal.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2010/076468 WO2011110007A1 (en) | 2010-08-30 | 2010-08-30 | Method and system for tunnel renegotiation, access gateway and terminal thereof |
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| Publication Number | Publication Date |
|---|---|
| CN102396285A true CN102396285A (en) | 2012-03-28 |
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| CN2010800052167A Pending CN102396285A (en) | 2010-08-30 | 2010-08-30 | Method and system for tunnel renegotiation, access gateway and terminal thereof |
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| WO (1) | WO2011110007A1 (en) |
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2010
- 2010-08-30 WO PCT/CN2010/076468 patent/WO2011110007A1/en active Application Filing
- 2010-08-30 CN CN2010800052167A patent/CN102396285A/en active Pending
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| WO2011110007A1 (en) | 2011-09-15 |
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Application publication date: 20120328 |