CN102624763B - Method and apparatus used for accessing resource admission control subsystem - Google Patents
Method and apparatus used for accessing resource admission control subsystem Download PDFInfo
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- CN102624763B CN102624763B CN201110035144.7A CN201110035144A CN102624763B CN 102624763 B CN102624763 B CN 102624763B CN 201110035144 A CN201110035144 A CN 201110035144A CN 102624763 B CN102624763 B CN 102624763B
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Abstract
The invention relates to a method and an apparatus used for accessing a resource admission control subsystem in a communication system based on TISPAN. In a user equipment registration period, an application function entity location information server transmits a user data request message so as to obtain information about user equipment. After the location information server receives the user data request message from an application function entity, the location information server sends a user data response message to the application function entity, wherein the user data response message comprises at least two different strategy decision function addresses based on a service, the different strategy decision function addresses can be used as an access point of the resource admission control subsystem. Therefore, access point redundancy of the resource admission control subsystem can be supported, and the reliability of a communication network is raised.
Description
Technical field
The present invention relates to the communication system based on telecommunications and the Internet converged services and high-level network protocol (Telecommunications and Internet converged Services and Protocols for Advanced Networking:TISPAN), more specifically, the square law device for accommodating access resource control subsystem in based on the communication system of TISPAN is related to.
Background technology
Fig. 1 shows the partial structurtes schematic diagram based on the communication system of TISPAN in prior art.As shown in Figure 1, based in the communication system of TISPAN, Application Function AF (Application Function) is positioned at service control subsystem and application, and connection session location and memory function CLF (Connectivity session Location and repository Function) are positioned at network attached subsystem.
Between subscriber equipment (not shown) record time, signaling is sent to Application Function AF by subscriber equipment.Application Function AF connects session location and memory function CLF, to obtain the information about this subscriber equipment connecting and store in session location and memory function CLF by by inquiring at Application Function AF and the e2 connected between session location and memory function CLF.Wherein, strategy decisive function SPDF (the Service-based Policy Decision Function) address based on business is comprised in the user-data-answer message returned by connection session location and memory function CLF.
During subscriber equipment is called out, Application Function AF sends message to the obtained strategy decisive function address based on business, with accommodating access resource control subsystem, that is, Application Function AF will pass through this strategy decisive function address accommodating access resource control subsystem based on business.This means, the strategy decisive function address based on business corresponds to the access point of Resource and Admission Control Sub-system.In addition, the strategy decisive function address based on business can be full name domain name or IP address.
In existing TISPAN system, connection session location and memory function CLF only return to a strategy decisive function address based on business to Application Function AF in user data response.That is only have an access point can be used to accommodating access resource control subsystem, therefore do not support the redundancy of access point.When server cisco unity malfunction corresponding to this access point, when the user data requests that namely can not send application function entity A F carries out normal response, server fail such as corresponding to Resource and Admission Control Sub-system access point, or when damaging, such as described server is due to the position generation natural calamity at its place, when damaging as there are earthquake, flood, mud-rock flow etc., system just can not provide normal service for subscriber equipment.This requires higher applied environment for network reliability, and such as finance, security etc., will cause very serious loss.
In prior art, a kind of alternative mode is the main and secondary strategy decisive function address based on business of each Application Function configuration, to provide the access point of redundancy.But such way shortcoming is:
-need for each Application Function is configured, if change the strategy decisive function address based on business, need for each Application Function resets, complex operation;
-use the subscriber equipment of same Application Function can not use the different strategy decisive function address accommodating access resource control subsystem based on business.
And in fact, different subscriber equipmenies, due to its difference of requirement to Internet resources, even if use the subscriber equipment of same application functional entity, also may need to use the different strategy decisive function address accommodating access resource control subsystem based on business.
Summary of the invention
According to the understanding of the above-mentioned technical problem to background technology and existence, if can provide a kind of configuration simple, support access point redundancy, the especially method of the accommodating access resource control subsystem of geographic redundancy will be favourable.
According to a first aspect of the invention, provide a kind of in the Application Function of the communication system based on TISPAN the method for accommodating access resource control subsystem, comprise the steps: that a. sends user data requests message to positional information server; B. the user-data-answer message returned by described positional information server is received; Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message.
When subscriber equipment is called out, also comprise after step b: c. is defined as destination address by described at least two based in the strategy decisive function address of business; D. message is sent, with accommodating access resource control subsystem to determined destination address.
According to a second aspect of the invention, provide a kind of in the positional information server of the communication system based on TISPAN the method for accommodating access resource control subsystem, comprise the steps: that a. receives from the user data requests of Application Function; B. user-data-answer message is sent to described Application Function; Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message.
Preferably, two strategy decisive function addresses based on business are comprised in described user-data-answer message, one of them strategy decisive function address based on business is mainly based on the strategy decisive function address of business, another strategy decisive function address based on business is the secondary strategy decisive function address based on business, described method also comprises step: be defined as described mainly based on the strategy decisive function address of business according to predetermined policy based in the strategy decisive function address of business by described two, another is defined as the described secondary strategy decisive function address based on business, described predetermined policy comprises any one or more combination in the following:
-the strategy decisive function address based on business corresponding with the server of subscriber equipment close together is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for the server distant with subscriber equipment is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server large for memory size is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server little for memory size is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server fast for processor processing speed is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server slow for processor processing speed is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for the server of free time is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for busy server is defined as the described secondary strategy decisive function address based on business.
According to a third aspect of the invention we, provide a kind of in the Application Function of the communication system based on TISPAN the device for accommodating access resource control subsystem, comprising: the first dispensing device, for positional information server send user data requests; First receiving device, for receiving the user-data-answer message returned by described positional information server; Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message.
According to a forth aspect of the invention, provide a kind of in the positional information server of the communication system based on TISPAN the device for accommodating access resource control subsystem, comprise: the second receiving system, for receiving the user data requests from Application Function; 3rd dispensing device, for sending user-data-answer message to described Application Function; Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message.
By the solution of the present invention, can support resource accommodation control subsystem access point redundancy, improve the reliability of communication network.Meanwhile, the solution of the present invention configuration is simple.When changing the strategy decisive function address based on business, only need the storage content in location revision information server, when Application Function inquiry positional information server, by user-data-answer message and the renewable strategy decisive function address based on business of positional information server, without the need to resetting for each Application Function.In addition, requirement that can also be different to Internet resources according to different subscriber equipmenies, even if make the subscriber equipment using same application functional entity, also can use the different strategy decisive function address accommodating access resource control subsystem based on business.
Various aspects of the present invention are more clear by the explanation by specific embodiment hereinafter.
Accompanying drawing explanation
By reading the detailed description done non-limiting example done with reference to the following drawings, above-mentioned and other feature of the present invention will become more apparent:
Fig. 1 shows the partial structurtes schematic diagram based on the communication system of TISPAN in prior art;
Fig. 2 shows the partial structurtes schematic diagram of the communication system based on TISPAN according to an embodiment of the invention;
Fig. 3 shows the method flow diagram for accommodating access resource control subsystem according to an embodiment of the invention;
Fig. 4 shows the further method flow diagram according to an embodiment of the invention;
Fig. 5 shows the device block diagram for accommodating access resource control subsystem according to an embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Fig. 2 shows the partial structurtes schematic diagram of the communication system based on TISPAN according to an embodiment of the invention.In the present embodiment, between subscriber equipment record time, positional information server, such as, connect session location and memory function CLF, in the user data response that Application Function AF returns, comprise at least two strategy decisive function addresses based on business.During subscriber equipment is called out, Application Function AF just described at least two be defined as destination address based in the strategy decisive function address of business; And send message, with accommodating access resource control subsystem to determined destination address.Illustrate only in fig. 2 in user data response and comprise two situations based on the strategy decisive function address of business, they are SPDF 1 and SPDF 2 respectively.Application Function AF can respectively by SPDF 1 or SPDF 2 accommodating access resource control subsystem.So, such as, when the strategy decisive function server cisco unity malfunction based on business of SPDF 1 correspondence, Application Function AF can pass through the SPDF 2 accommodating access resource control subsystem of redundancy, to ensure that subscriber equipment can obtain required service.Resource and Admission Control Sub-system access point redundancy can be realized like this, improve the reliability of communication network.Illustrate according to the method for accommodating access resource control subsystem of the present invention below in conjunction with Fig. 3.
Fig. 3 is the method flow diagram for accommodating access resource control subsystem according to an embodiment of the invention.Between subscriber equipment record time, in method step S10, Application Function AF sends user data requests message, to obtain the information about subscriber equipment to positional information server.After positional information server receives the user data requests message from Application Function AF, in method step S11, positional information server sends user-data-answer message to Application Function AF.Wherein, comprising in described user-data-answer message can as the different strategy decisive function address based on business of at least two of the access point of described Resource and Admission Control Sub-system.
When subscriber equipment is called out, in method step S12, Application Function AF is defined as destination address by described at least two based in the strategy decisive function address of business; And in method step S13, send message to determined destination address subsequently, be resource request message in the present embodiment, with accommodating access resource control subsystem.It will be appreciated by those skilled in the art that Application Function AF can send other message to determined destination address, such as resource authorization request etc.
Be described to comprise three different strategy decisive function addresses based on business in user-data-answer message below.Three different strategy decisive function addresses based on business be respectively mainly based on the strategy decisive function address of business, first time will based on the strategy decisive function address of business, second time will based on the strategy decisive function address of business.
In positional information server, according to predetermined policy three different strategy decisive function addresses based on business are defined as respectively mainly based on the strategy decisive function address of business and first time will based on the strategy decisive function address of business, second time will based on the strategy decisive function address of business.Described predetermined policy comprises any one or more combination in the following:
-the strategy decisive function address based on business corresponding for the server nearest with subscriber equipment is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server slightly far away with subscriber equipment distance is defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding with subscriber equipment distance server is farthest defined as second time will based on the strategy decisive function address of business;
-the strategy decisive function address based on business corresponding for server maximum for memory size is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server that memory size is slightly little being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for server minimum for memory size being defined as second time will based on the strategy decisive function address of business;
-the strategy decisive function address based on business corresponding for server the fastest for processor speed is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server that processor speed is slightly slow being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for server the slowest for processor speed being defined as second time will based on the strategy decisive function address of business;
-the strategy decisive function address based on business corresponding for server the highest for idle degrees is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server that idle degrees is slightly low being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for server minimum for idle degrees being defined as second time will based on the strategy decisive function address of business.
Should be understood that, above every can using the forms such as weighting combine as determine mainly based on the strategy decisive function address of business, first time will will based on the predetermined policy of the strategy decisive function address of business etc. based on the strategy decisive function address of business and second time.
For situation about comprising in user-data-answer message more than three different strategy decisive function addresses based on business, be described for above-mentioned Section 1: can by the strategy decisive function address based on business according to the distance ascending sort of the server distance users equipment corresponding with it, by the strategy decisive function address based on business of sequence first, the strategy decisive function address based on business being about to the server nearest with subscriber equipment corresponding is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business of sequence second being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business of sequence the 3rd being defined as second time will based on the strategy decisive function address of business; The strategy decisive function address based on business of sequence the 4th being defined as third time will based on the strategy decisive function address of business; Etc..
Still be described to comprise three different strategy decisive function addresses based on business in user-data-answer message.In Application Function AF, be defined as destination address by three based in the strategy decisive function address of business, comprise: judge mainly whether can use based on the strategy decisive function address of business; If the strategy decisive function address mainly based on business can be used, then the strategy decisive function address mainly based on business is defined as destination address; If the strategy decisive function address mainly based on business is unavailable, judge whether first time can will be used based on the strategy decisive function address of business; If first time can will be used based on the strategy decisive function address of business, then first time to be defined as destination address based on the strategy decisive function address of business; If first time is unavailable based on the strategy decisive function address of business, second time to be defined as destination address based on the strategy decisive function address of business.
Similarly, for situation about comprising in user-data-answer message more than three different strategy decisive function addresses based on business, will based in the disabled situation in strategy decisive function address of business in first time, can continue to judge whether second time can will be used based on the strategy decisive function address of business, if second time can will be used based on the strategy decisive function address of business, then second time to be defined as destination address based on the strategy decisive function address of business, etc.
Application Function AF, after being defined as destination address by least two based in the strategy decisive function address of business, sends message, with accommodating access resource control subsystem to determined destination address.
In another embodiment, comprise two strategy decisive function addresses based on business in user-data-answer message, one of them is mainly based on the strategy decisive function address of business, and another is the secondary strategy decisive function address based on business.In positional information server, be defined as mainly based on the strategy decisive function address of business by described two based in the strategy decisive function address of business according to predetermined policy, another is defined as the secondary strategy decisive function address based on business.Described predetermined policy comprises any one or more combination in the following:
-the strategy decisive function address based on business corresponding with the server of subscriber equipment close together is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for the server distant with subscriber equipment is defined as the secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server large for memory size is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server little for memory size is defined as the secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server fast for processor processing speed is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server slow for processor processing speed is defined as the secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for the server of free time is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for busy server is defined as the secondary strategy decisive function address based on business.
Should be understood that, everyly can to combine as determining mainly based on the strategy decisive function address of business, the predetermined policy of the secondary strategy decisive function address based on business using forms such as weightings above.
Method step S12 shown in Fig. 3 comprises in two embodiments based on the strategy decisive function address of business in user-data-answer message, as shown in Figure 4, comprise following steps: method step S121, judge mainly whether can use based on the strategy decisive function address of business; If the strategy decisive function address mainly based on business can be used, then in method step S1221, the strategy decisive function address mainly based on business is defined as destination address; If the strategy decisive function address mainly based on business is unavailable, then in method step S1222, the secondary strategy decisive function address based on business is defined as destination address.Application Function AF, after being defined as destination address by two based in the strategy decisive function address of business, sends message, with accommodating access resource control subsystem to determined destination address.
Wherein, at least two can be full name domain name or IP address based on any one in the strategy decisive function address of business.Be described to comprise two strategy decisive function addresses based on business in user-data-answer message below.Mainly based on any one that the strategy decisive function address of business and the secondary strategy decisive function address based on business can be in the following:
-be mainly full name domain name with the secondary strategy decisive function address based on business;
-be mainly IP address with the secondary strategy decisive function address based on business;
-be mainly IP address based on the strategy decisive function of business, the secondary strategy decisive function address based on business is full name domain name;
-be mainly full name domain name based on the strategy decisive function of business, the secondary strategy decisive function address based on business is the IP address that can not be obtained by aforementioned full name domain name mapping.
If the strategy decisive function address mainly based on business is full name domain name, and the secondary strategy decisive function address based on business is when being the IP address that can be obtained by this full name domain name mapping, the strategy decisive function mainly based on business is considered to identical in fact with the secondary strategy decisive function based on business.
Wherein, at least two based on the strategy decisive function address of business corresponding to the server being positioned at least two geographical position.According to one embodiment of present invention, in user-data-answer message, comprise two strategy decisive function addresses based on business.Such as, for the subscriber equipment in Qingdao, the strategy decisive function address based on business corresponding to the strategy decisive function server based on business being positioned at Qingdao is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding to the strategy decisive function server based on business being positioned at Shanghai is defined as the secondary strategy decisive function address based on business.When the strategy decisive function server cisco unity malfunction based on business in Qingdao, Application Function AF can also by the secondary strategy decisive function address based on business, namely corresponding to the strategy decisive function address accommodating access resource control subsystem based on business of the strategy decisive function server based on business being positioned at Shanghai.So achieve the geographic redundancy of Resource and Admission Control Sub-system access point, improve the reliability of system.
Fig. 5 shows the device block diagram for accommodating access resource control subsystem according to an embodiment of the invention.Comprising in the Application Function of the communication system based on TISPAN for the device 100 of accommodating access resource control subsystem and in the positional information server of the communication system based on TISPAN for the device 200 of accommodating access resource control subsystem.Wherein, device 100 comprises: the first dispensing device 101, first receiving device 102, first determining device 103, second dispensing device 104.Device 200 comprises: the second receiving system the 201, three dispensing device 202, and the second determining device 203.
Between subscriber equipment (not shown) record time, the first dispensing device 101 sends user data requests to the second receiving system 201, to obtain the information about subscriber equipment.After the second receiving system 201 receives the user data requests message from the first dispensing device 101, the 3rd dispensing device 202 sends user-data-answer message to first receiving device 102.Wherein, comprising in described user-data-answer message can as the different strategy decisive function address based on business of at least two of the access point of described Resource and Admission Control Sub-system.
When subscriber equipment is called out, the first determining device 103 in device 100 is defined as destination address by described at least two based in the strategy decisive function address of business; Sending message by the second dispensing device 104 to determined destination address subsequently, is resource request message, with accommodating access resource control subsystem in the present embodiment.It will be appreciated by those skilled in the art that the second dispensing device 104 can send other message to determined destination address, such as resource authorization request etc.
Be described to comprise three different strategy decisive function addresses based on business in user-data-answer message below.Three different strategy decisive function addresses based on business be respectively mainly based on the strategy decisive function address of business, first time will based on the strategy decisive function address of business, second time will based on the strategy decisive function address of business.
In the second determining device 203 of device 200 according to predetermined policy three different strategy decisive function addresses based on business are defined as respectively mainly based on the strategy decisive function address of business and first time will based on the strategy decisive function address of business, second time will based on the strategy decisive function address of business.Described predetermined policy comprises any one or more combination in the following:
-the strategy decisive function address based on business corresponding for the server nearest with subscriber equipment is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server slightly far away with subscriber equipment distance is defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding with subscriber equipment distance server is farthest defined as second time will based on the strategy decisive function address of business;
-the strategy decisive function address based on business corresponding for server maximum for memory size is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server that memory size is slightly little being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for server minimum for memory size being defined as second time will based on the strategy decisive function address of business;
-the strategy decisive function address based on business corresponding for server the fastest for processor speed is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server that processor speed is slightly slow being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for server the slowest for processor speed being defined as second time will based on the strategy decisive function address of business;
-the strategy decisive function address based on business corresponding for server the highest for idle degrees is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for the server that idle degrees is slightly low being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business corresponding for server minimum for idle degrees being defined as second time will based on the strategy decisive function address of business.
Should be understood that, above every can using the forms such as weighting combine as determine mainly based on the strategy decisive function address of business, first time will will based on the predetermined policy of the strategy decisive function address of business etc. based on the strategy decisive function address of business and second time.
For situation about comprising in user-data-answer message more than three different strategy decisive function addresses based on business, be described for above-mentioned Section 1: can by the strategy decisive function address based on business according to the distance ascending sort of the server distance users equipment corresponding with it, by the strategy decisive function address based on business of sequence first, the strategy decisive function address based on business being about to the server nearest with subscriber equipment corresponding is defined as mainly based on the strategy decisive function address of business; The strategy decisive function address based on business of sequence second being defined as first time will based on the strategy decisive function address of business; The strategy decisive function address based on business of sequence the 3rd being defined as second time will based on the strategy decisive function address of business; The strategy decisive function address based on business of sequence the 4th being defined as third time will based on the strategy decisive function address of business; Etc..
Still be described to comprise three different strategy decisive function addresses based on business in user-data-answer message.In the first determining device 103 of device 100, be defined as destination address by three based in the strategy decisive function address of business, comprise: judge mainly whether can use based on the strategy decisive function address of business; If the strategy decisive function address mainly based on business can be used, then the strategy decisive function address mainly based on business is defined as destination address; If the strategy decisive function address mainly based on business is unavailable, judge whether first time can will be used based on the strategy decisive function address of business; If first time can will be used based on the strategy decisive function address of business, then first time to be defined as destination address based on the strategy decisive function address of business; If first time is unavailable based on the strategy decisive function address of business, second time to be defined as destination address based on the strategy decisive function address of business.
Similarly, for situation about comprising in user-data-answer message more than three different strategy decisive function addresses based on business, will based in the disabled situation in strategy decisive function address of business in first time, can continue to judge whether second time can will be used based on the strategy decisive function address of business, if second time can will be used based on the strategy decisive function address of business, then second time to be defined as destination address based on the strategy decisive function address of business, etc.
After the first determining device 103 is defined as destination address by least two based in the strategy decisive function address of business, the second dispensing device 104 sends message, with accommodating access resource control subsystem to determined destination address.
In another embodiment, comprise two strategy decisive function addresses based on business in user-data-answer message, one of them is mainly based on the strategy decisive function address of business, and another is the secondary strategy decisive function address based on business.In the second determining device 203 of device 200, be defined as mainly based on the strategy decisive function address of business by described two based in the strategy decisive function address of business according to predetermined policy, another is defined as the secondary strategy decisive function address based on business.Described predetermined policy comprises any one or more combination in the following:
-the strategy decisive function address based on business corresponding with the server of subscriber equipment close together is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for the server distant with subscriber equipment is defined as the secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server large for memory size is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server little for memory size is defined as the secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server fast for processor processing speed is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server slow for processor processing speed is defined as the secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for the server of free time is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for busy server is defined as the secondary strategy decisive function address based on business.
Should be understood that, everyly can to combine as determining mainly based on the strategy decisive function address of business, the predetermined policy of the secondary strategy decisive function address based on business using forms such as weightings above.
For comprising two embodiments based on the strategy decisive function address of business in user-data-answer message, also comprising in first determining device 103 of device 100: the first judgment means (not shown), mainly whether can use based on the strategy decisive function address of business for judging; 3rd determining device (not shown), for when mainly available based on the strategy decisive function address of business, is defined as destination address by the strategy decisive function address mainly based on business; When mainly unavailable based on the strategy decisive function address of business, the secondary strategy decisive function address based on business is defined as destination address.After the first determining device 103 is defined as destination address by two based in the strategy decisive function address of business, the second dispensing device 104 sends message, with accommodating access resource control subsystem to determined destination address.
Wherein, at least two can be full name domain name or IP address based on any one in the strategy decisive function address of business.Be described to comprise two strategy decisive function addresses based on business in user-data-answer message below.Mainly based on any one that the strategy decisive function address of business and the secondary strategy decisive function address based on business can be in the following:
-be mainly full name domain name with the secondary strategy decisive function address based on business;
-be mainly IP address with the secondary strategy decisive function address based on business;
-be mainly IP address based on the strategy decisive function of business, the secondary strategy decisive function address based on business is full name domain name;
-be mainly full name domain name based on the strategy decisive function of business, the secondary strategy decisive function address based on business is the IP address that can not be obtained by aforementioned full name domain name mapping.
If the strategy decisive function address mainly based on business is full name domain name, and the secondary strategy decisive function address based on business is when being the IP address that can be obtained by this full name domain name mapping, the strategy decisive function mainly based on business is considered to identical in fact with the secondary strategy decisive function based on business.
Wherein, at least two based on the strategy decisive function address of business corresponding to the server being positioned at least two geographical position.According to one embodiment of present invention, in user-data-answer message, comprise two strategy decisive function addresses based on business.Such as, for the subscriber equipment in Qingdao, the strategy decisive function address based on business corresponding to the strategy decisive function server based on business being positioned at Qingdao is defined as mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding to the strategy decisive function server based on business being positioned at Shanghai is defined as the secondary strategy decisive function address based on business.When the strategy decisive function server cisco unity malfunction based on business in Qingdao, Application Function AF can also by the secondary strategy decisive function address based on business, namely corresponding to the strategy decisive function address accommodating access resource control subsystem based on business of the strategy decisive function server based on business being positioned at Shanghai.So achieve the geographic redundancy of Resource and Admission Control Sub-system access point, improve the reliability of system.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present invention or essential characteristic, the present invention can be realized in other specific forms.Therefore, in any case, all should embodiment be regarded as exemplary, and be nonrestrictive.In addition, significantly, " comprising " one word do not get rid of other elements and step, and wording " one " does not get rid of plural number.Multiple elements of stating in device claim also can be realized by an element.First, second word such as grade is used for representing title, and does not represent any specific order.
Claims (15)
1. in the Application Function of the communication system based on telecommunications and the Internet converged services and high-level network protocol for a method for accommodating access resource control subsystem, comprise the steps:
A. user data requests message is sent to positional information server;
B. the user-data-answer message returned by described positional information server is received;
Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message, according to predetermined policy, described at least two different strategy decisive function addresses based on business are confirmed as one mainly based on strategy decisive function address and at least one secondary strategy decisive function address based on business of business.
2. method according to claim 1, is characterized in that, also comprises after described step b:
C. destination address is defined as described at least two based in the strategy decisive function address of business;
D. message is sent, with accommodating access resource control subsystem to determined destination address.
3. method according to claim 2, it is characterized in that, comprise two strategy decisive function addresses based on business in described user-data-answer message, the described main and secondary strategy decisive function address based on business is any one or more combination in the following:
-described be mainly the strategy decisive function address based on business corresponding with the server of subscriber equipment close together based on the strategy decisive function address of business, the described secondary strategy decisive function address based on business is the strategy decisive function address based on business that the server distant with subscriber equipment is corresponding;
-described be mainly the strategy decisive function address based on business that server that memory size is large is corresponding based on the strategy decisive function address of business, the strategy decisive function address based on business that the described secondary server little based on the strategy decisive function addressed memory capacity of business is corresponding:
-described be mainly the strategy decisive function address based on business that the fast server of processor processing speed is corresponding based on the strategy decisive function address of business, the described secondary strategy decisive function address based on business is by the strategy decisive function address based on business corresponding for server slow for processor processing speed;
-described be mainly the strategy decisive function address based on business that idle server is corresponding based on the strategy decisive function address of business, the described secondary strategy decisive function address based on business is the strategy decisive function address based on business that busy server is corresponding.
4. method according to claim 3, is characterized in that, described step c also comprises:
C1. judge describedly mainly whether can to use based on the strategy decisive function address of business;
Mainly can use based on the strategy decisive function address of business if c21. described, then mainly be defined as destination address based on the strategy decisive function address of business by described;
If c22. the described strategy decisive function address mainly based on business is unavailable, then the described secondary strategy decisive function address based on business is defined as destination address.
5. according to the method in claim 1-4 described in any one, it is characterized in that, described at least two can be full name domain name or IP address based on any one in the strategy decisive function address of business.
6. according to the method in claim 1-4 described in any one, it is characterized in that, described at least two strategy decisive function addresses based on business are corresponding to the strategy decisive function server based on business being positioned at least two geographical position.
7. in the positional information server of the communication system based on telecommunications and the Internet converged services and high-level network protocol for a method for accommodating access resource control subsystem, comprise the steps:
A. the user data requests from Application Function is received;
B. user-data-answer message is sent to described Application Function;
Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message, according to predetermined policy, described at least two different strategy decisive function addresses based on business are confirmed as one mainly based on strategy decisive function address and at least one secondary strategy decisive function address based on business of business.
8. method according to claim 7, is characterized in that, comprise two strategy decisive function addresses based on business in described user-data-answer message, described method also comprises the steps:
Be defined as described mainly based on the strategy decisive function address of business according to described predetermined policy based in the strategy decisive function address of business by described two, another is defined as the described secondary strategy decisive function address based on business;
Described predetermined policy comprises any one or more combination in the following:
-the strategy decisive function address based on business corresponding with the server of subscriber equipment close together is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for the server distant with subscriber equipment is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server large for memory size is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server little for memory size is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server fast for processor processing speed is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server slow for processor processing speed is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for the server of free time is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for busy server is defined as the described secondary strategy decisive function address based on business.
9. the method according to claim 7 or 8, is characterized in that, described at least two can be full name domain name or IP address based on any one in the strategy decisive function address of business.
10. the method according to claim 7 or 8, described at least two strategy decisive function addresses based on business are corresponding to the strategy decisive function server based on business being positioned at least two geographical position.
11. 1 kinds in the Application Function of the communication system based on telecommunications and the Internet converged services and high-level network protocol for the device of accommodating access resource control subsystem, comprising:
First dispensing device, for sending user data requests to positional information server;
First receiving device, for receiving the user-data-answer message returned by described positional information server;
Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message, according to predetermined policy, described at least two different strategy decisive function addresses based on business are confirmed as one mainly based on strategy decisive function address and at least one secondary strategy decisive function address based on business of business.
12. devices according to claim 11, is characterized in that, also comprise:
First determining device, for being defined as destination address by described at least two based in the strategy decisive function address of business;
Second dispensing device, for sending message, with accommodating access resource control subsystem to determined address.
13. devices according to claim 12, it is characterized in that, comprise two strategy decisive function addresses based on business in described user-data-answer message, the described main and secondary strategy decisive function address based on business is any one or more combination in the following:
-described be mainly the strategy decisive function address based on business corresponding with the server of subscriber equipment close together based on the strategy decisive function address of business, the described secondary strategy decisive function address based on business is the strategy decisive function address based on business that the server distant with subscriber equipment is corresponding;
-described be mainly the strategy decisive function address based on business that server that memory size is large is corresponding based on the strategy decisive function address of business, the strategy decisive function address based on business that the described secondary server little based on the strategy decisive function addressed memory capacity of business is corresponding:
-described be mainly the strategy decisive function address based on business that the fast server of processor processing speed is corresponding based on the strategy decisive function address of business, the described secondary strategy decisive function address based on business is by the strategy decisive function address based on business corresponding for server slow for processor processing speed;
-described be mainly the strategy decisive function address based on business that idle server is corresponding based on the strategy decisive function address of business, the described secondary strategy decisive function address based on business is the strategy decisive function address based on business that busy server is corresponding.
14. 1 kinds in the positional information server of the communication system based on telecommunications and the Internet converged services and high-level network protocol for the device of accommodating access resource control subsystem, comprising:
Second receiving system, for receiving the user data requests from Application Function;
3rd dispensing device, for sending user-data-answer message to described Application Function;
Wherein, the strategy decisive function address based on business that at least two of described Resource and Admission Control Sub-system are different is comprised in described user-data-answer message, according to predetermined policy, described at least two different strategy decisive function addresses based on business are confirmed as one mainly based on strategy decisive function address and at least one secondary strategy decisive function address based on business of business.
15. devices according to claim 14, is characterized in that, comprise two strategy decisive function addresses based on business in described user-data-answer message, described device also comprises:
Second determining device, for being defined as described mainly based on the strategy decisive function address of business according to predetermined policy based in the strategy decisive function address of business by described two, another is defined as the described secondary strategy decisive function address based on business;
Described predetermined policy comprises any one or more combination in the following:
-the strategy decisive function address based on business corresponding with the server of subscriber equipment close together is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for the server distant with subscriber equipment is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server large for memory size is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server little for memory size is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for server fast for processor processing speed is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for server slow for processor processing speed is defined as the described secondary strategy decisive function address based on business;
-the strategy decisive function address based on business corresponding for the server of free time is defined as described mainly based on the strategy decisive function address of business, the strategy decisive function address based on business corresponding for busy server is defined as the described secondary strategy decisive function address based on business.
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| CN101766007A (en) * | 2007-07-27 | 2010-06-30 | 艾利森电话股份有限公司 | Methods and systems for providing racf configuration information |
| CN101764855A (en) * | 2009-12-30 | 2010-06-30 | 福建星网锐捷网络有限公司 | Method, device and system for providing domain name resolution services |
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| CN101766007A (en) * | 2007-07-27 | 2010-06-30 | 艾利森电话股份有限公司 | Methods and systems for providing racf configuration information |
| CN101764855A (en) * | 2009-12-30 | 2010-06-30 | 福建星网锐捷网络有限公司 | Method, device and system for providing domain name resolution services |
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