CN100370775C - Method for raising success rate of business insertion - Google Patents
Method for raising success rate of business insertion Download PDFInfo
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- CN100370775C CN100370775C CNB2005100028239A CN200510002823A CN100370775C CN 100370775 C CN100370775 C CN 100370775C CN B2005100028239 A CNB2005100028239 A CN B2005100028239A CN 200510002823 A CN200510002823 A CN 200510002823A CN 100370775 C CN100370775 C CN 100370775C
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Abstract
The present invention discloses a method for increasing the success rate of business access. An IP address is distributed to access equipment through an IP address management server by the method of the present invention. The coincidence relation of the IP address and the access equipment is obtained by a BRM, and a new coincidence relation is reported to the BRM in time by the IP address management server when the coincidence relation of the IP address and the access equipment is changed. Thus, the coincidence relation of the IP address and the access equipment, which is stored by the BRM, can dynamically keep in line with the actual coincidence relation. The occurrence of the situation that wrong access equipment is found by the BRM according to a user's IP address after a business request is initiated by the user is avoided, and the business access can be guaranteed to be successful.
Description
Technical field
The present invention relates to the service access field, be specifically related to a kind of method that improves success rate of business insertion.
Background technology
Along with the continuous increase of Internet scale, various network services are fallen over each other to emerge in large numbers, and real time business is the key business in the network service.In order to ensure the transmission quality of real time business, internet engineering task group (IETF, Internet Engineering Task Force) has been advised a lot of service models and mechanism, to satisfy the demand of service quality (QoS, Quality of Service).Industry uses the differentiated service model of independent bearing control layer to guarantee the reliable transmission of real time business usually at present, Fig. 1 is that the differentiated service model of independent bearing control layer is formed schematic diagram, as shown in Figure 1, this model comprises: service control layer, bearer control layer and bearing bed, wherein, service control layer is made up of service control server (SCS, Service Control Server), is used to finish and user signing contract information, service control function that routing iinformation is relevant; Bearer control layer is made up of load network resource manager (BRM, Bearer Resource Manager), is used to service selection path, Resources allocation; Bearing bed is made up of bearer network, and Edge Server in the bearer network (ER, Edge Router) and core router are used to transmit user data.
The user at first will be to couple in router or BAS Broadband Access Server (BAS before SCS initiates service request, Broadband Access Server) application IP address, after applying for IP address, the user initiates service request to SCS, SCS then initiates to carry the resource request of IP address to BRM, after BRM receives request, according to IP address, mapping table at IP address and couple in router or BAS: { IP address field, mask, corresponding couple in router or the IP address of BAS sign or couple in router or BAS } in search IP address place couple in router or BAS, and be that starting point begins to distribute QOS path end to end with this couple in router or BAS.
Because the mapping table of existing IP address and couple in router or BAS is a static configuration, when the corresponding relation of IP address and couple in router or BAS changes, can't in time notify BRM to upgrade the mapping table of IP address and couple in router or BAS, like this, after receiving resource request, the couple in router or the BAS that find in original mapping table according to IP address BRM might be wrong, thereby cause the service request failure.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of method that improves success rate of business insertion, make when the corresponding relation of IP address and couple in router or BAS changes, can upgrade in time the mapping table of IP address and couple in router or BAS of BRM, thereby make BRM can find correct couple in router or BAS, thereby guarantee the service access success according to IP address.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of method that improves success rate of business insertion, this method comprises:
The IP address management server is that access device distributes local ip address, and preserves the corresponding relation of local ip address and access device, and load network resource manager BRM secondary IP address management server obtains and preserve this corresponding relation;
The IP address management server judges whether the corresponding relation of local ip address and access device changes, if the IP address management server reports BRM with new corresponding relation, BRM preserves this new corresponding relation; Otherwise, do not deal with; With,
The user is to IP address management server requests IP address, access device is intercepted and captured this request message and is distributed local ip address to give the user as IP address, the user uses this IP address to BRM requested service resource, and IP address sent to BRM, BRM searches the local ip address identical with IP address in the mapping table of the local ip address of self preserving and access device, and then search corresponding access device, search successfully back by this access device access service.
Described IP address management server is that remote subscriber is dialled in authentication service radius server or dynamic host configuration protocol DHCP server.
Described user initiates request for the user by point-to-point protocol PPP or dynamic host configuration protocol DHCP to IP address management server requests IP address, and the PPP message sends to radius server, and the DHCP message sends to Dynamic Host Configuration Protocol server.
It is to report this corresponding relation that BRM realizes or initiatively ask for this corresponding relation to the IP address management server by BRM and realize by the IP address management server that described BRM secondary IP address management server obtains local ip address and access device corresponding relation.
Described access device intercept and capture the user after the request message that the IP address management server sends, access device distribute local ip address to the user as IP address before, further comprise:
Access device judges whether local pool has local ip address, if have, distribute local ip address to give the user, otherwise, to IP address management server requests IP address, access device is also issued as its local ip address in IP address management server-assignment IP address, this corresponding relation is sent to BRM after writing down the corresponding relation of this local ip address and access device simultaneously, then, access device is distributed to the user as IP address with this local ip address.
Described BRM searches the local ip address identical with IP address, and then searches after the corresponding access device, searches successfully that the back access device begins further to comprise before the service access:
BRM judges whether to search failure, if, BRM is to the IP address management server lookup local ip address identical with IP address and the corresponding relation of access device, and the IP address management server is judged this local ip address whether in self scope, if, corresponding relation is returned to BRM, BRM finds corresponding access device, and access device begins service access then, otherwise, return the inquiry failed message to BRM, this flow process finishes; If BRM searches successfully, corresponding access device begins service access.
Described access device is couple in router or BAS Broadband Access Server BAS.
Described user uses IP address to BRM requested service resource and IP address is sent to BRM comprise: the user uses IP address to initiate service request to service control server, service control server receives that this request back to BRM initiation resource request, has IP address in the resource request message.
Compared with prior art, method provided by the present invention is distributed local ip address by the IP address management server to access device, BRM obtains the corresponding relation of local ip address and access device, and when the corresponding relation of local ip address and access device changes, the IP address management server in time reports BRM to new corresponding relation, make the local ip address of BRM preservation and the corresponding relation of access device and actual corresponding relation dynamically to be consistent, avoided after the user initiates service request, BRM finds the generation of the situation of wrong access device according to IP address, has guaranteed that service access can be successful.
Description of drawings
Fig. 1 is that the differentiated service model of independent bearing control layer is formed schematic diagram;
Fig. 2 utilizes method BRM provided by the invention to search the flow chart that couple in router or BAS carry out service access.
Embodiment
Core concept provided by the invention is: the IP address management server is that couple in router or BAS divide address pool, and the corresponding relation of record and preservation local pool and affiliated couple in router or BAS, simultaneously, BRM obtains the corresponding relation of local pool and affiliated couple in router or BAS.Then, the IP address management server judges whether local ip address in the local pool and the corresponding relation of couple in router or BAS change, if the IP address management server reports BRM with the new corresponding relation of local ip address and couple in router or BAS; Otherwise, do not deal with.
Here, local pool is the general name of all addresses of being assigned to of each couple in router or BAS, and the IP address in the local pool is called local ip address.
When the IP address is reallocated, might cause that the corresponding relation of local ip address and couple in router or BAS changes between couple in router or BAS.
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
Fig. 2 utilizes method BRM provided by the invention to search the flow chart that couple in router or BAS carry out service access, and as shown in Figure 2, concrete steps are as follows:
Step 201:IP Address Management Server is couple in router or BAS Preliminary division address pool, and the corresponding relation of record and preservation local pool and affiliated couple in router or BAS, simultaneously this corresponding relation is reported BRM, BRM sets up the mapping table of local ip address and couple in router or BAS then.
Here, BRM also can initiatively ask for the corresponding relation of local ip address and couple in router or BAS to the IP address management server.
The IP address management server can be that remote subscriber is dialled in authentication service (RADIUS, RemoteAuthentication Dial in User Service) server also can be DHCP (DHCP, a Dynamic Host Configuration Protocol) server.
Step 202: the user by peer-peer protocol (PPP, Point-to-Point Protocol) or DHCP agreements such as (DHCP, Dynamic Host Configuration Protocol) to IP address management server requests IP address.
Wherein, the PPP message sends to radius server, and the DHCP message sends to Dynamic Host Configuration Protocol server.
Step 203: couple in router or BAS intercept and capture PPP or DHCP message.
Step 204: couple in router or BAS judge whether local pool has local ip address, if, execution in step 208; Otherwise, execution in step 205.
Step 205: couple in router or BAS transmission RADIUS or DHCP relay message are to IP address management server requests IP address.
Wherein, the RADIUS message sends to radius server, and the DHCP relay message sends to Dynamic Host Configuration Protocol server.
Step 206:IP Address Management Server is given couple in router or BAS distributing IP address, couple in router or BAS with it as local ip address, IP address management server record and preserve the corresponding relation of this IP address and couple in router or BAS simultaneously, and this corresponding relation is sent to BRM.
Step 207: couple in router or BAS return to the user with the IP address that is assigned to, and as IP address, execution in step 209 then with it for the user.
Step 208: couple in router or BAS distribute to the user with the local ip address in the local pool, the user with it as IP address.
Step 209: the user uses the IP address that is assigned to initiate or the reception conversation request to SCS, carries IP address in this message.
Step 210:SCS initiates resource request according to conversation request message to BRM, carries IP address in the resource request message.
Step 211:BRM is according to the IP address in the resource request message, in the mapping table of the local ip address of self maintained and couple in router or BAS, search the local ip address identical, to determine user place couple in router or BAS with IP address.
Step 212:BRM judges to search whether fail, if, execution in step 213; Otherwise, execution in step 217.
Step 213:BRM is to the corresponding relation of IP address management server lookup local ip address and couple in router or BAS.
Step 214:IP Address Management Server judges whether inquiry is successful, if, execution in step 216; Otherwise, execution in step 215.
Step 215:IP Address Management Server returns the inquiry failed message to BRM, and this flow process finishes.
If this IP address is not in the IP address management server, then inquiry is failed.
Step 216:IP Address Management Server returns to BRM with the corresponding relation of local ip address and couple in router or BAS.
Couple in router or the BAS of step 217:BRM from finding distributes path resource end to end, carries out service access.
The above only is process of the present invention and method embodiment, in order to restriction the present invention, all any modifications of being made within the spirit and principles in the present invention, is not equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (8)
1. a method that improves success rate of business insertion is characterized in that, this method comprises:
The IP address management server is that access device distributes local ip address, and preserves the corresponding relation of local ip address and access device, and load network resource manager BRM secondary IP address management server obtains and preserve this corresponding relation;
The IP address management server judges whether the corresponding relation of local ip address and access device changes, if the IP address management server reports BRM with new corresponding relation, BRM preserves this new corresponding relation; Otherwise, do not deal with; With,
The user is to IP address management server requests IP address, access device is intercepted and captured this request message and is distributed local ip address to give the user as IP address, the user uses this IP address to BRM requested service resource, and IP address sent to BRM, BRM searches the local ip address identical with IP address in the mapping table of the local ip address of self preserving and access device, and then search corresponding access device, search successfully back by this access device access service.
2. the method for claim 1 is characterized in that, described IP address management server is that remote subscriber is dialled in authentication service radius server or dynamic host configuration protocol DHCP server.
3. method as claimed in claim 2, it is characterized in that, described user initiates request for the user by point-to-point protocol PPP or dynamic host configuration protocol DHCP to IP address management server requests IP address, and, the PPP message sends to radius server, and the DHCP message sends to Dynamic Host Configuration Protocol server.
4. the method for claim 1, it is characterized in that it is to report this corresponding relation that BRM realizes or initiatively ask for this corresponding relation to the IP address management server by BRM and realize by the IP address management server that described BRM secondary IP address management server obtains local ip address and access device corresponding relation.
5. the method for claim 1 is characterized in that, described access device intercept and capture the user after the request message that the IP address management server sends, access device distribute local ip address to the user as IP address before, further comprise:
Access device judges whether local pool has local ip address, if have, distribute local ip address to give the user, otherwise, to IP address management server requests IP address, access device is also issued as its local ip address in IP address management server-assignment IP address, this corresponding relation is sent to BRM after writing down the corresponding relation of this local ip address and access device simultaneously, then, access device is distributed to the user as IP address with this local ip address.
6. the method for claim 1 is characterized in that, described BRM searches the local ip address identical with IP address, and then searches after the corresponding access device, searches successfully that the back access device begins further to comprise before the service access:
BRM judges whether to search failure, if, BRM is to the IP address management server lookup local ip address identical with IP address and the corresponding relation of access device, and the IP address management server is judged this local ip address whether in self scope, if, corresponding relation is returned to BRM, BRM finds corresponding access device, and access device begins service access then, otherwise, return the inquiry failed message to BRM, this flow process finishes; If BRM searches successfully, corresponding access device begins service access.
7. the method for claim 1 is characterized in that, described access device is couple in router or BAS Broadband Access Server BAS.
8. the method for claim 1, it is characterized in that, described user uses IP address to BRM requested service resource and IP address is sent to BRM comprise: the user uses IP address to initiate service request to service control server, service control server receives that this request back to BRM initiation resource request, has IP address in the resource request message.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100028239A CN100370775C (en) | 2005-01-25 | 2005-01-25 | Method for raising success rate of business insertion |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005100028239A CN100370775C (en) | 2005-01-25 | 2005-01-25 | Method for raising success rate of business insertion |
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| CN1812354A CN1812354A (en) | 2006-08-02 |
| CN100370775C true CN100370775C (en) | 2008-02-20 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000014633A1 (en) * | 1998-09-03 | 2000-03-16 | Sun Microsystems, Inc. | Load balancing in a network environment |
| CN1440159A (en) * | 2003-03-31 | 2003-09-03 | 中国科学院计算机网络信息中心 | Control method for layered switching network node region |
| CN1523834A (en) * | 2003-02-20 | 2004-08-25 | ��Ϊ��������˾ | IP Network Service Quality Assurance Method and System |
| CN1543143A (en) * | 2003-04-29 | 2004-11-03 | ���ǵ�����ʽ���� | Wireless local area network system capable of supporting host mobility and an operation method therefor |
-
2005
- 2005-01-25 CN CNB2005100028239A patent/CN100370775C/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2000014633A1 (en) * | 1998-09-03 | 2000-03-16 | Sun Microsystems, Inc. | Load balancing in a network environment |
| CN1523834A (en) * | 2003-02-20 | 2004-08-25 | ��Ϊ��������˾ | IP Network Service Quality Assurance Method and System |
| CN1440159A (en) * | 2003-03-31 | 2003-09-03 | 中国科学院计算机网络信息中心 | Control method for layered switching network node region |
| CN1543143A (en) * | 2003-04-29 | 2004-11-03 | ���ǵ�����ʽ���� | Wireless local area network system capable of supporting host mobility and an operation method therefor |
Non-Patent Citations (2)
| Title |
|---|
| IP电信网. 陈天雄，林佳婕，涂尧.电信科学，第10期. 2003 * |
| 演进中的IP QoS电信网络构架. 陈运清，刘恩慧.电信技术，第10期. 2003 * |
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