CN100344107C - Method for confirming fountainhead bearing network resource manager - Google Patents
Method for confirming fountainhead bearing network resource manager Download PDFInfo
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- CN100344107C CN100344107C CNB2004100584269A CN200410058426A CN100344107C CN 100344107 C CN100344107 C CN 100344107C CN B2004100584269 A CNB2004100584269 A CN B2004100584269A CN 200410058426 A CN200410058426 A CN 200410058426A CN 100344107 C CN100344107 C CN 100344107C
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- 238000007726 management method Methods 0.000 description 33
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Abstract
The present invention discloses a method for determining a resource controller of a source load carrying network. A concentrated and positioned data base is arranged in a network. The method comprises procedures that a positioning request is sent to the concentrated and positioned data base by a call agent according to user information in a service request after the service request is received by the call agent (CA); address information of the resource controller of the source load carrying network is determined by the concentrated and positioned data base according to service information in the positioning request, and a positioning response which comprises the address information of the resource controller of the source load carrying network is returned to the CA. The resource controller of the source load carrying network of the current service can be determined by the CA without storing a large amount of management domain information of the resource controller of the source load carrying network by adopting the method of the present invention. Thus, the CA and the resource controller of a load carrying network are connected and maintained easily.
Description
Technical field
The present invention relates to the resource allocation techniques of bearer control layer in a kind of Internet of relating to network, particularly a kind of method of in the bearer control layer of Internet network, determining the source load network resource manager.
Background technology
At present, continuous increase along with the Internet network size, various network services are fallen over each other to emerge in large numbers, various advanced persons' multimedia system emerges in an endless stream, the multimedia services such as HTTP(Hypertext Transport Protocol) that this causes Internet network needs often to send sudden high file transfer protocol (FTP) (FTP) or contain image file.For the real time business in the network, because characteristics such as its propagation delay time to network, delay jitter are comparatively responsive, so network is bigger to the influence of real time business when transmission FTP or HTTP etc. are professional.And multimedia service a large amount of network bandwidth that also accounted for makes the key business that needs in the existing network to guarantee bandwidth be difficult to be transmitted reliably.
At the problems referred to above, industry has proposed various service quality (QoS) technology, such as, internet engineering task group (IETF) has just been set up a lot of service model and machine-processed to satisfy the demand of network.In these QoS technology, industry is relatively approved is that access and the edge at network that IETF proposes uses integrated service model (Int-Serv), uses the technical scheme of differentiated service model (Diff-Serv) at server.Because the Diff-Serv in this scheme has only set preferential registration and ensured QoS, though therefore use the network of this scheme to have the high characteristics of line efficiency, the transmission reliability of whole network and laser propagation effect are difficult to guarantee.For addressing this problem, industry has proposed promptly to have proposed to have the Diff-Serv model of independent bearing control layer for Diff-Serv introduces an independently scheme of bearer control layer on the basis of original Diff-Serv.This solution is between the service control layer of Diff-Serv and bearer network layer bearer control layer to be set, set bearer control layer is made up of a plurality of load network resource manager, load network resource manager can be bandwidth broker device (BB, Bandwidth Broker), also can be QoS server or explorer or other equipment, the corresponding load network resource manager of each bearer network among the Diff-Serv, dispose the rule and the network topology of this bearer network by load network resource manager, and be the traffic assignments bandwidth resources of user applies, transmit the request and the result of user applies service bandwidth between each load network resource manager by signaling, and load network resource manager is the routing information of user's business application distribution.
Below in conjunction with accompanying drawing the Diff-Serv model that this has independent bearing control layer is described.
Bearer network is called management domain, the corresponding load network resource manager of each management domain in the Diff-Serv model.In Diff-Serv model shown in Figure 1, management domain 101 corresponding load network resource manager 102, load network resource manager 102 is connected with edge router (ER) 103 in the management domain 101, carries out processing such as Internet resources and Topology Management by 102 pairs of management domains of load network resource manager 101; Similarly, management domain 112 corresponding load network resource manager 111, load network resource manager 111 is connected with router one 13 in the management domain 112; Management domain 109 corresponding load network resource manager 108, load network resource manager 108 is connected with ER 110 in the management domain 109.Load network resource manager 102 is connected by load network resource manager 111 with load network resource manager 108.User (UE) 104 is connected with Call Agent (CA) 105, this CA 105 is connected with load network resource manager 102, the management domain 101 of load network resource manager 102 correspondences is that CA 105 has jurisdiction over the ownership bearer network under user UE 104 current business, be that the current Business Stream source address of UE 104 is in the network segment of management domain 101, therefore, if UE 104 is the calling subscriber, the source load network resource manager when then load network resource manager 102 connects for the current business forward; UE 106 is connected with CA 107, this CA 107 is connected with load network resource manager 108, the management domain 109 of load network resource manager 108 correspondences is the ownership bearer networks under CA 107 user UE 106 current business of being had jurisdiction over, be that the current Business Stream source address of UE 106 is in the network segment of management domain 109, therefore, if UE106 is the called subscriber, the source load network resource manager of load network resource manager 108 when to be that current business is reverse connect then.
Bearer control layer is that the service request of UE realizes that resource bid comprises two parts: a part is the forward connection between the purpose load network resource manager of the source load network resource manager when being connected by forward when initiating to be connected with forward, and distribution bandwidth resources, another part is the reverse connection between the purpose load network resource manager of the source load network resource manager during by reverse connect when initiating with reverse the connection, and the distribution bandwidth resources.Here, so-called forward connects the Business Stream that is from calling party to callee and connects, and the Business Stream that so-called reverse connection is from callee to calling party connects.
Under the situation of bearer network by a plurality of load network resource manager management, source load network resource manager when at first CA needs to determine the forward connection with reverse the connection respectively, so that the source load network resource manager when current forward connects with reverse the connection is initiated resource request, thereby bearer network can be the traffic assignments bandwidth resources of user applies.
When setting up the forward connection, the definite of source load network resource manager initiated by caller CA.Caller CA receives service request, the source address that obtains the current business flow correspondence according to the user profile and the present type of service of calling UE in the service request, again the load network resource manager information of preserving according to self determine with its direct-connected load network resource manager in which is the corresponding load network resource manager of current business flow source address, i.e. source load network resource manager during forward connection.
When setting up reverse connection, the definite of source load network resource manager initiated by called CA.Called CA receives the service request that caller CA sends, the source address that obtains the current business flow correspondence according to the user profile and the present type of service of called UE in this service request, again the load network resource manager information of preserving according to self determine with its direct-connected load network resource manager in which is the corresponding load network resource manager of current business flow source address, the source load network resource manager during promptly reverse connection.After CA determines the source load network resource manager, promptly can be the source load network resource manager and send resource request, thereby bearer control layer can carry out resource request for this calling.
Here, the user profile in the described service request can be Subscriber Number or IP address etc.; Described Business Stream source address can be Subscriber Number or number segment, IP address or IP address field, access media gateway IP address or Tandem Gateway IP address or the like; Same user is in different business, and pairing Business Stream source address can be the same or different, the user service flow source address can be identical with the user profile of this user in the service request also can be different.
Wherein, CA can preserve the ER access information of all connected load network resource manager statically, also can after powering on, the ER access information of self be sent to CA on one's own initiative by connected load network resource manager, CA determines the management domain of each load network resource manager correspondence according to the ER access information of each load network resource manager of preserving, and just can determine the source load network resource manager of current business flow correspondence in conjunction with the current business flow source address.Here, described ER access information is Subscriber Number or number segment, IP address or IP address field or the like, therefore, CA can pass through the management domain of each definite load network resource manager of ER access information, and whether judges in the management domain of load network resource manager according to the current business flow source address whether this load network resource manager is the source load network resource manager of current business flow correspondence.
In above implementation procedure, CA need determine the management domain of each load network resource manager correspondence according to the ER access information of each load network resource manager of being preserved, thereby determines the source load network resource manager of current business flow correspondence.Because, the quantity of CA is generally fewer in the network, the number of users that connects under each CA is then very many, if the user under the CA need transmit Business Stream from each different ER, then need CA and different load network resource manager connections, like this, CA need preserve the ER access information of a large amount of load network resource manager; And, when needs increase or delete ER in certain load network resource manager or its scope, then need to notify the CA that is attached thereto with the information of this increase or deletion, CA revises the relevant information that self preserves again, thus CA is connected with load network resource manager and the difficulty safeguarded all very big.
Summary of the invention
In view of this, main purpose of the present invention is to provide the method for a kind of definite source load network resource manager, make CA needn't preserve the regulatory domain information of a large amount of load network resource manager, just can determine the source load network resource manager of current business, thereby be easy to being connected and maintenance between CA and the load network resource manager.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses the method for a kind of definite source load network resource manager, in the network Shen concentrated location database is set, the method comprising the steps of:
After a.CA receives service request, send Location Request to concentrating location database according to the user profile in this service request;
B. concentrate location database to determine the address information of source load network resource manager, and return the location response that comprises this source load network resource manager address information and give CA according to the business information in the Location Request.
Among the step a, the address information of location database in the config set in described CA, CA is sent to concentrated location database by the address information that is disposed with Location Request.
Described business information is the Business Stream source address; Among the step a, described CA obtains the current business flow source address according to user profile, and sends the Location Request that comprises this Business Stream source address.
Among the step b, the method for the address information of described definite source load network resource manager is:
Concentrate location database according to the Business Stream source address in the Location Request, inquire about the address information of the load network resource manager of self preserving and the mapping relations table in self-management territory, obtain the address information of source load network resource manager.
Among the step b, when concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, the method for the address information of described definite source load network resource manager further comprises: concentrate location database optional address information as the source load network resource manager from the address information of this above load network resource manager.
Among the step b, further comprise the attribute of load network resource manager in the mapping relations table in the address information of described load network resource manager and self-management territory;
When concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, the method of the address information of described definite source load network resource manager further comprises: concentrate location database from this above load network resource manager, to select the load network resource manager of optimum according to the attribute of each load network resource manager, and with the address information of this load network resource manager address information as the source load network resource manager.
Among the step b, when concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, the location response that concentrated location database will comprise the address information of this above load network resource manager returns to CA, and CA is according to location response optional address information as the source load network resource manager from the address information of this above load network resource manager.
Among the step b, further comprise the attribute of load network resource manager in the mapping relations table in the address information of described load network resource manager and self-management territory;
When concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, concentrate location database to sort according to the attribute of each load network resource manager address information to this above load network resource manager, and the address information of an above load network resource manager after will sorting is included in and returns to CA in the location response, CA selects optimum load network resource manager according to the ordering situation of each load network resource manager in the location response from this above load network resource manager, and with the address information of this load network resource manager address information as the source load network resource manager.
Wherein, the mapping relations table in the address information of described load network resource manager and self-management territory in advance static state be kept at and concentrate in the location database.
Wherein, the address information of location database in the config set in each load network resource manager; The mapping relations table dynamic-configuration in the address information of described load network resource manager and self-management territory is in concentrating location database.
Among the step a, described CA is caller CA, and described service request is the service request that calling UE is sent, and described user profile is the user profile of calling UE; Among the step b, the source load network resource manager when described source load network resource manager is the forward connection.
Among the step a, described CA is called CA, and the service request that described service request is sent for caller CA, described user profile are the user profile of calling UE; Among the step b, the source load network resource manager when described source load network resource manager is the forward connection.
Among the step a, described CA is called CA, and the service request that described service request is sent for caller CA, described user profile are the user profile of called UE; Among the step b, the source load network resource manager when described source load network resource manager is reverse the connection.
Among the step a, described CA is caller CA, and the service request that described service request is sent for calling subscriber UE, described user profile are the user profile of called UE; Among the step b, the source load network resource manager when described source load network resource manager is reverse the connection.
By such scheme as can be seen, key of the present invention is: be provided with concentrated location database in network, be specifically designed to the address information of each load network resource manager of storage and the mapping relations table in self-management territory, after CA receives service request, can inquire about this mapping relations table according to the current business flow source address and determine the management domain at current business flow source address place, thereby obtain the address information of the source load network resource manager of current business correspondence.
Therefore, the method of definite source provided by the present invention load network resource manager, make CA needn't preserve the regulatory domain information of a large amount of load network resource manager, thereby make network be easy to maintenance and management, and can determine the source load network resource manager of current business request.
Description of drawings
Fig. 1 is existing schematic diagram with Diff-Serv model of independent bearing control layer;
Source load network resource manager one preferred embodiment handling process schematic diagram when Fig. 2 determines that for the inventive method forward connects.
Embodiment
The present invention is further described in more detail below in conjunction with drawings and the specific embodiments.
The inventive method is provided with concentrated location database in network, be used to preserve the address information of load network resource manager and the mapping relations table in self-management territory, CA obtains the current business flow source address according to user profile in the service request and present type of service after receiving service request, and obtains the address information of corresponding source load network resource manager by inquiring about this concentrated location database.
In service call process, need the source load network resource manager when determining that respectively forward connects with reverse the connection set up forward and be connected, thereby be these traffic assignments bandwidth resources with reverse.Wherein, determining and can being initiated by the CA caller CA under the calling UE of the source load network resource manager when forward connects with reverse the connection also can be that called CA initiates by the CA under the called UE.The process of source load network resource manager was an example when definite forward of initiating with caller CA connected below, and the inventive method is described in detail.
Source load network resource manager one preferred embodiment handling process schematic diagram when Fig. 2 determines that for the inventive method forward connects.As shown in Figure 2, concrete treatment step is as follows:
Step 201: calling UE sends service request to caller CA.
Step 202: caller CA is according to the user profile and the present type of service of calling UE in the described service request of step 201, obtain the source address of current business flow correspondence, and the Location Request that will comprise this Business Stream source address is sent to the concentrated location database that caller CA is connected.Here, the address information of all pre-configured concentrated location database such as IP address etc. in each CA, so CA can be sent to concentrated location database by signalling route with Location Request according to the address information of configuration.
Here, described user profile can be Subscriber Number or IP address etc., and described Business Stream source address can be Subscriber Number or number segment, IP address or IP address field, access media gateway IP address or Tandem Gateway IP address or the like.
Step 203: concentrate the address information of the location database load network resource manager that inquiry self is preserved according to the Business Stream source address in the Location Request and the mapping relations table in self-management territory, source load network resource manager when the management domain that whether belongs to load network resource manager according to the Business Stream source address determines whether this load network resource manager connects for the current business forward, thereby the address information of source load network resource manager when obtaining the current business forward and connecting.Here, the address information of described source load network resource manager is the IP address.
Wherein, the mapping relations table in the address information of described load network resource manager and self-management territory static state in advance is kept in the concentrated location database, also can dispose dynamically, that is: each load network resource manager after powering on self address information with and ER access information etc. send to concentrated location database on one's own initiative, and each load network resource manager is when its address information or ER access information change, and address information or ER access information that can self is current send to concentrated location database.Here, the address information of all pre-configured concentrated location database is as IP address etc. in each load network resource manager, therefore each load network resource manager can according to the address information of the location database of configuration by signalling route with self address information with and the ER access information initiatively report concentrated location database, described ER access information promptly can be represented the management domain of load network resource manager.
Step 204: concentrate location database to the response of caller CA restoring to normal position, the address information of source load network resource manager when comprising forward that step 203 inquires in this response message and connecting.
Step 205: caller CA set by step in the 204 described location response source load network resource manager of the address of source load network resource manager when current forward connects send resource request, the source load network resource manager when thereby this forward connects can be set up forward and connect, and distributes the forward resource.
Because therefore the corresponding one or more load network resource manager of Business Stream source address possibility, may inquire about the address information that obtains a plurality of load network resource manager in the step 203.In this case, perhaps by concentrated location database Query Result is organized into tabulation and returns to caller CA, caller CA selects a load network resource manager as the source load network resource manager from this tabulation arbitrarily; Perhaps from a plurality of load network resource manager that inquire, select a load network resource manager as the source load network resource manager arbitrarily, and the address information of this source load network resource manager is returned to caller CA by concentrated location database.
In addition, can further include the attribute of load network resource manager in the mapping relations table in the address information of described load network resource manager and self-management territory, then concentrate location database a plurality of load network resource manager that inquiry obtains to be sorted according to the attribute of each load network resource manager; Then, the Query Result after perhaps will being sorted by concentrated location database is organized into tabulation and returns to caller CA, and caller CA selects optimum load network resource manager as the source load network resource manager according to the ordering situation; Perhaps concentrate location database to select optimum load network resource manager as the source load network resource manager, and the address information of this source load network resource manager is returned to caller CA according to ranking results.Here, the attribute of described load network resource manager can be for main with property, current disposal ability etc., can sort with property or current disposal ability etc. according to the master of load network resource manager, then caller CA can select the load network resource manager of main usefulness, or the strongest load network resource manager of current disposal ability is as the load network resource manager of optimum.Here, described concentrated location database is returned Query Result and is given caller CA all by described location response message transmission.Wherein, described when selecting optimum load network resource manager as the source load network resource manager, can adopt different principles select according to the current business characteristics, but specifically adopt which kind of principle the present invention not limit.
The process and the described processing of Fig. 2 of source load network resource manager were similar when definite forward that called CA initiates connected.Different is: called CA sends Location Request to concentrated location database after receiving the service request that caller CA sends, and in the above-mentioned processing relevant with caller CA, has become called CA with caller CA is corresponding.Here, caller CA also can send service request to called CA after the service request that receives the calling UE transmission.
The processing of the source load network resource manager when in addition, determining reverse the connection is also similar with said process.The process of source load network resource manager was basic identical when the process of the source load network resource manager during definite reverse connection that called CA initiates was connected with definite forward of its initiation, and different is: called CA obtains the current business flow source address according to the user profile of called UE in the service request.The process of source load network resource manager was basic identical when the process of the source load network resource manager during definite reverse connection that caller CA initiates was connected with definite forward of its initiation, and different is: caller CA obtains the current business flow source address according to the user profile of called UE in the service request.
By above scheme as seen, use the embodiment of the invention, the CA of service control layer needn't preserve the ER access information of a large amount of load network resource manager, just can locate the source load network resource manager of current business forward when connecting by location database in the query set according to user profile corresponding service stream source address in the current business request with reverse the connection, thereby reduced the complexity that CA realizes greatly, improved efficient and reliability that load network resource manager and user profile are managed.
Claims (14)
1, the method for a kind of definite source load network resource manager is characterized in that concentrated location database is set, and the method comprising the steps of in network:
A. after Call Agent CA receives service request, send Location Request to concentrating location database according to the user profile in this service request;
B. concentrate location database to determine the address information of source load network resource manager, and return the location response that comprises this source load network resource manager address information and give CA according to the business information in the Location Request.
2, method according to claim 1 is characterized in that, among the step a, and the address information of location database in the config set in described CA, CA is sent to concentrated location database by the address information that is disposed with Location Request.
3, method according to claim 1 is characterized in that, described business information is the Business Stream source address;
Among the step a, described CA obtains the current business flow source address according to user profile, and sends the Location Request that comprises this Business Stream source address.
4, method according to claim 3 is characterized in that, among the step b, the method for the address information of described definite source load network resource manager is:
Concentrate location database according to the Business Stream source address in the Location Request, inquire about the address information of the load network resource manager of self preserving and the mapping relations table in self-management territory, obtain the address information of source load network resource manager.
5, method according to claim 4, it is characterized in that, among the step b, when concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, the method for the address information of described definite source load network resource manager further comprises: concentrate location database optional address information as the source load network resource manager from the address information of this above load network resource manager.
6, method according to claim 4 is characterized in that, among the step b, further comprises the attribute of load network resource manager in the mapping relations table in the address information of described load network resource manager and self-management territory;
When concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, the method of the address information of described definite source load network resource manager further comprises: concentrate location database from this above load network resource manager, to select the load network resource manager of optimum according to the attribute of each load network resource manager, and with the address information of this load network resource manager address information as the source load network resource manager.
7, method according to claim 4, it is characterized in that, among the step b, when concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, the location response that concentrated location database will comprise the address information of this above load network resource manager returns to CA, and CA is according to location response optional address information as the source load network resource manager from the address information of this above load network resource manager.
8, method according to claim 4 is characterized in that, among the step b,
The attribute that further comprises load network resource manager in the mapping relations table in the address information of described load network resource manager and self-management territory;
When concentrating the locator data library inquiry to obtain the address information of an above load network resource manager, concentrate location database to sort according to the attribute of each load network resource manager address information to this above load network resource manager, and the address information of an above load network resource manager after will sorting is included in and returns to CA in the location response, CA selects optimum load network resource manager according to the ordering situation of each load network resource manager in the location response from this above load network resource manager, and with the address information of this load network resource manager address information as the source load network resource manager.
According to claim 4,6 or 8 described methods, it is characterized in that 9, the mapping relations table in the address information of described load network resource manager and self-management territory static state in advance is kept in the concentrated location database.
10, according to claim 4,6 or 8 described methods, it is characterized in that the address information of location database in the config set in each load network resource manager; The mapping relations table dynamic-configuration in the address information of described load network resource manager and self-management territory is in concentrating location database.
11, according to each described method of claim 1 to 8, it is characterized in that,
Among the step a, described CA is caller CA, and the service request that described service request is sent for calling subscriber UE, described user profile are the user profile of calling UE;
Among the step b, the source load network resource manager when described source load network resource manager is the forward connection.
12, according to each described method of claim 1 to 8, it is characterized in that,
Among the step a, described CA is called CA, and the service request that described service request is sent for caller CA, described user profile are the user profile of calling UE;
Among the step b, the source load network resource manager when described source load network resource manager is the forward connection.
13, according to each described method of claim 1 to 8, it is characterized in that,
Among the step a, described CA is called CA, and the service request that described service request is sent for caller CA, described user profile are the user profile of called UE;
Among the step b, the source load network resource manager when described source load network resource manager is reverse the connection.
14, according to each described method of claim 1 to 8, it is characterized in that,
Among the step a, described CA is caller CA, and the service request that described service request is sent for calling subscriber UE, described user profile are the user profile of called UE;
Among the step b, the source load network resource manager when described source load network resource manager is reverse the connection.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100584269A CN100344107C (en) | 2004-08-11 | 2004-08-11 | Method for confirming fountainhead bearing network resource manager |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100584269A CN100344107C (en) | 2004-08-11 | 2004-08-11 | Method for confirming fountainhead bearing network resource manager |
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| CN1735034A CN1735034A (en) | 2006-02-15 |
| CN100344107C true CN100344107C (en) | 2007-10-17 |
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| CNB2004100584269A Expired - Fee Related CN100344107C (en) | 2004-08-11 | 2004-08-11 | Method for confirming fountainhead bearing network resource manager |
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| EP2928129B1 (en) * | 2012-12-18 | 2018-05-09 | Huawei Technologies Co., Ltd. | Method and network devices for determining an administrative domain in a virtual cluster |
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| WO2003017140A1 (en) * | 2001-08-16 | 2003-02-27 | Chevron U.S.A. Inc. | System and method for lubricants supply chain management |
| CN1454440A (en) * | 2000-08-10 | 2003-11-05 | 诺基亚公司 | Roaming support method and systems in UMTS |
| CN1505417A (en) * | 2002-12-03 | 2004-06-16 | �ʼҷ����ֵ��ӹɷ�����˾ | Wireless network system capable of transferring multimedia information with high efficiency |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1332924A (en) * | 1998-11-09 | 2002-01-23 | 艾利森电话股份有限公司 | Internet system and method for selecting closest server from plurality of alternative servers |
| CN1454440A (en) * | 2000-08-10 | 2003-11-05 | 诺基亚公司 | Roaming support method and systems in UMTS |
| WO2003017140A1 (en) * | 2001-08-16 | 2003-02-27 | Chevron U.S.A. Inc. | System and method for lubricants supply chain management |
| CN1505417A (en) * | 2002-12-03 | 2004-06-16 | �ʼҷ����ֵ��ӹɷ�����˾ | Wireless network system capable of transferring multimedia information with high efficiency |
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