CN101075914B - RACF system and equipment with dynamic discovery function in NGN - Google Patents
RACF system and equipment with dynamic discovery function in NGN Download PDFInfo
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- CN101075914B CN101075914B CN200710103634XA CN200710103634A CN101075914B CN 101075914 B CN101075914 B CN 101075914B CN 200710103634X A CN200710103634X A CN 200710103634XA CN 200710103634 A CN200710103634 A CN 200710103634A CN 101075914 B CN101075914 B CN 101075914B
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Abstract
The system comprises: the mutually-communicated resource control function entities and policy decision function entities. It also comprises a dynamically finding function entity comprising: a information collecting subunit used for collecting the connection relation information about each function entities; an information saving subunit used for saving and/or updating the connection relation information; an enquiry confirmation subunit for enquiring the connection relation information matching the enquiry terms in the information saving subunit, and returns the information confirmation to the entity submitting the enquiry request.
Description
Technical field
The present invention relates to communication technical field, relate in particular to RACF (Resource Admission Control Function, access resource control function) system and equipment in a kind of next generation network (NGN).
Background technology
At the RACF Y.2111 of NGN normal structure ITU-T (Resource AdmissionControl Function, the access resource control function) in the definition, defined declaration the RACF system, this system comprises two controlled function entity-PD-FE (Policy DecisionFunction Entity, policy deciding functional entity), TRC-FE (Transport ResourceEnforcement Function Entity transmits the resource control function entity).Simultaneously in this standard, also defined two transmitting function entity-PE-FE (Policy Enforcement FunctionEntity, policy execution functional entity), TRE-FE (Transport Resource EnforcementFunction Entity, transmission resource execution functional entity), these two functional entitys belong to the transmitting function layer.In Y.2111, the demand that has one-to-many and many-to-one demand between PD-FE and the TRC-FE and exist a plurality of examples of each functional entity self to interconnect is described between PD-FE and the PE-FE.
For existence how to find the other side between these functional entitys, in Y.2111, do not provide corresponding explanation, there is not explanation should support the method for dynamically finding yet.Under normal conditions, we can adopt the mode of static configuration, and for example mode such as SNMP makes the existence of finding neighbours between the functional entity, and these neighbours may be with own identical functions entity, also may be other functional entitys.The neighbours' that there is the relevant work that needs network management in the method for static configuration, can not in time understand fast variation, upgrade the shortcoming of interconnected relationship automatically, can bring wrong decision for transmitting function control.
Summary of the invention
The object of the present invention is to provide the RACF system and the equipment that possess dynamic discovery function in a kind of next generation network, to solve the technical problem that RACF system in the prior art can not dynamic discovery function unit change conditions.
In order to realize the foregoing invention purpose, one aspect of the present invention provides the access resource control function that possesses dynamic discovery function in a kind of next generation network system, described access resource control function system comprises the transmission resource control function entity and the policy deciding functional entity of mutual communication, described system also comprises the dynamic discovery function unit, this dynamic discovery function unit comprises: the information gathering subelement is used for the connection relation information of each functional entity in the dynamic collection network; Information saving subunit is used for preserving and/or upgrading described connection relation information; The inquiry response subelement after being used to receive query requests, inquires the connection relation information that meets querying condition, and this information response is proposed entity to query requests in described information saving subunit.
In the embodiments of the invention, described dynamic discovery function unit is connected with described transmission resource control function entity and/or described policy deciding functional entity.
In the embodiments of the invention, described dynamic discovery function unit is deployed in described transmission resource control function entity or the described policy deciding functional entity.
In the embodiments of the invention, described dynamic collection comprises: active inquiry and obtain each functional entity connection relation information in the network and/or when the functional entity in the network changes, receive change information after each functional entity connection relation information after obtaining variation.
In the embodiments of the invention, described variation comprises: the adding of functional entity, withdraw from.
The present invention provides the access resource control function that possesses dynamic discovery function in a kind of next generation network equipment on the other hand, this deployed with devices is in access resource control function system, this equipment comprises: the information gathering subelement is used for the connection relation information of each functional entity in the dynamic collection network; Information saving subunit is used for preserving and/or upgrading described connection relation information; The inquiry response subelement after being used to receive query requests, inquires the connection relation information that meets querying condition, and this information response is proposed entity to query requests in described information saving subunit.
In the embodiments of the invention, this equipment is connected with transmission resource control function entity and/or policy deciding functional entity in the described access resource control function system.
In the embodiments of the invention, in the transmission resource control function entity or policy deciding functional entity of described deployed with devices in described access resource control function system.
In the embodiments of the invention, described dynamic collection comprises: active inquiry and obtain each functional entity connection relation information in the network and/or when the functional entity in the network changes, receive change information after each functional entity connection relation information after obtaining variation.
In the embodiments of the invention, described variation comprises: the adding of functional entity, withdraw from.
Implement the present invention, when existing functional entity one-to-many or many-one or a plurality of identical function entity self to interconnect, neighbours' discovery can be by the link information of dynamically finding, and need not rely on static configuration, thereby timely response change, can navigate to the functional entity information that needs fast, the automatical and efficient link information of safeguarding.When transmission process QoS controls, can quick and precisely navigate to the related functional entities that participates in processing, reduce the processing of other functional entitys, reduce the interactive information content between the functional entity.
Description of drawings
Fig. 1 is the schematic network structure of first embodiment of the RACF system that possesses dynamic discovery function among a kind of NGN provided by the invention;
Fig. 2 is the schematic network structure of second embodiment of the RACF system that possesses dynamic discovery function among a kind of NGN provided by the invention;
Fig. 3 is the schematic network structure of the 3rd embodiment of the RACF system that possesses dynamic discovery function among a kind of NGN provided by the invention;
Fig. 4 is the schematic network structure of the 4th embodiment of the RACF system that possesses dynamic discovery function among a kind of NGN provided by the invention;
Fig. 5 is the schematic network structure of the 5th embodiment of the RACF system that possesses dynamic discovery function among a kind of NGN provided by the invention;
Fig. 6 is for possessing the functional module structure figure of the RACF equipment of dynamic discovery function among a kind of NGN provided by the invention;
Fig. 7 is the data flow diagram during based on the inquiry of equipment shown in Figure 6;
The data flow diagram of Fig. 8 for the time based on the dynamically updating of equipment shown in Figure 6.
Embodiment
With reference to figure 1, illustrate the network configuration of first embodiment of the RACF system that possesses dynamic discovery function among a kind of NGN provided by the invention.As shown in the figure, the RACF system comprises the TRC-FE and the PD-FE of mutual communication, also comprises the dynamic discovery function unit that is connected with TRC-FE.In the second embodiment of the present invention, as shown in Figure 2, described dynamic discovery function unit is connected with PD-FE.Certainly, other connected mode can also be arranged.For example, in the third embodiment of the present invention, as shown in Figure 3, described dynamic discovery function unit all has with PD-FE with TRC-FE and is connected; In the fourth embodiment of the present invention, as shown in Figure 4, described dynamic discovery function unit is deployed among the PD-FE; In the fifth embodiment of the present invention, as shown in Figure 5, described dynamic discovery function unit is deployed among the TRC-FE.What deserves to be explained is that the form of expression of dynamic discovery function unit can be a form of software, also can be example, in hardware.
With described RACF system mutual communication SCF (Service Control Functions, service control function), PE-FE, TRE-FE etc. are arranged.Certainly, the network configuration in the example does not comprise whole functional entitys, and those of ordinary skills can be known the whole network structure chart by the data such as Y.2111 standard of consulting ITU-T.
With reference to figure 6, illustrating described dynamic discovery function unit is the internal structure that possesses the RACF equipment of dynamic discovery function among a kind of NGN provided by the invention.As shown in the figure, described dynamic discovery function unit comprises: the information gathering subelement is used for the connection relation information of each functional entity in the dynamic collection network; Information saving subunit is used for preserving and/or upgrading described connection relation information; The inquiry response subelement after being used to receive query requests, inquires the connection relation information that meets querying condition, and this information response is proposed entity to query requests in described information saving subunit.
Particularly, with reference to figure 7, when query event took place, dynamic discovery function entity internal operation flow process comprises: 701, the inquiry response subelement received the external inquiry request; 702, the inquiry response subelement travels through in described information saving subunit according to this request; 703, the Query Result that inquires of inquiry response subelement promptly meets the connection relation information of querying condition; 704, the inquiry response subelement feeds back to this result the proposition entity (functional unit) of this request of initiation.
Particularly, with reference to figure 8, when described dynamic collection incident takes place, one of dynamic discovery function entity internal operation flow process comprises: 801, the information gathering subelement receives the situation that external information changes, this situation may be that neighborhood increases, it also may be the deletion (be the adding of functional entity (PD-FE, TRC-FE and PE-FE etc.) or withdraw from) of neighborhood; 802, the information gathering subelement is given information saving subunit with this feedback information, and information saving subunit is upgraded the local information storehouse, promptly upgrades the connection relation information of these functional entitys.
Described dynamic collection also comprises a kind of situation, that is exactly regularly each functional entity transmission query requests in network of information gathering subelement, the functional entity of being inquired about responds this request after receiving query requests, according to solicited message connection relation information is fed back to the information gathering subelement.Dynamically receive the neighbor information change message simultaneously, notify other neighbours' local information change message.This subelement is supported multistage inquiry and response.
By above preferred embodiment as can be seen, among the present invention, neighbours' discovery can be by the link information of dynamically finding, and need not rely on static configuration, thereby in time response change can navigate to the functional entity information that needs, the automatical and efficient link information of safeguarding fast.When transmission process QoS controls, can quick and precisely navigate to the related functional entities that participates in processing, reduce the processing of other functional entitys, reduce the interactive information content between the functional entity.
The foregoing description is proposed by the invention next in order to understand better, and unrestricted claim of the present invention.
Claims (8)
1. the access resource control function system that possesses dynamic discovery function in the next generation network, described access resource control function system comprises the transmission resource control function entity and the policy deciding functional entity of mutual communication, it is characterized in that, described system also comprises the dynamic discovery function unit, described dynamic discovery function unit is connected with one of described policy deciding functional entity with described transmission resource control function entity at least, perhaps, described dynamic discovery function unit is arranged in one of described transmission resource control function entity and described policy deciding functional entity, and this dynamic discovery function unit comprises:
The information gathering subelement is used for the connection relation information of each functional entity in the dynamic collection network;
Information saving subunit is connected with described information gathering subelement, is used for preserving and/or upgrading described connection relation information;
The inquiry response subelement is connected with described information saving subunit, after being used to receive query requests, inquires the connection relation information that meets querying condition in described information saving subunit, and this information response is proposed entity to query requests.
2. system according to claim 1, it is characterized in that described dynamic collection comprises: active inquiry and obtain each functional entity connection relation information in the network and/or when the functional entity in the network changes, receive change information after each functional entity connection relation information after obtaining variation.
3. system according to claim 2 is characterized in that, described variation comprises: the adding of functional entity, withdraw from.
4. possess the access resource control function equipment of dynamic discovery function in the next generation network, this deployed with devices is in access resource control function system, and this equipment comprises:
The information gathering subelement is used for the connection relation information of each functional entity in the dynamic collection network;
Information saving subunit is connected with described information gathering subelement, is used for preserving and/or upgrading described connection relation information;
The inquiry response subelement is connected with described information saving subunit, after being used to receive query requests, inquires the connection relation information that meets querying condition in described information saving subunit, and this information response is proposed entity to query requests.
5. equipment according to claim 4 is characterized in that, this equipment is connected with transmission resource control function entity and/or policy deciding functional entity in the described access resource control function system.
6. equipment according to claim 4 is characterized in that, in the transmission resource control function entity or policy deciding functional entity of described deployed with devices in described access resource control function system.
7. according to claim 4,5 or 6 described equipment, it is characterized in that described dynamic collection comprises: active inquiry and obtain each functional entity connection relation information in the network and/or when the functional entity in the network changes, receive change information after each functional entity connection relation information after obtaining variation.
8. equipment according to claim 7 is characterized in that, described variation comprises: the adding of functional entity, withdraw from.
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| CN200710103634XA CN101075914B (en) | 2007-04-29 | 2007-04-29 | RACF system and equipment with dynamic discovery function in NGN |
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| CN200710103634XA CN101075914B (en) | 2007-04-29 | 2007-04-29 | RACF system and equipment with dynamic discovery function in NGN |
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| CN101075914A CN101075914A (en) | 2007-11-21 |
| CN101075914B true CN101075914B (en) | 2011-05-11 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101453527B (en) * | 2007-11-30 | 2011-11-30 | 华为技术有限公司 | Method, network system and network appliance for dynamic policy conversion |
| CN101282351B (en) * | 2008-02-29 | 2012-03-07 | 中兴通讯股份有限公司 | Resource admission control subsystem as well as method for transmitting resource decision required message |
| US8359388B2 (en) | 2008-06-30 | 2013-01-22 | Zte Corporation | RACF system and equipment having dynamic discovering function in next generation network |
Citations (3)
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| CN1581163A (en) * | 2004-05-20 | 2005-02-16 | 北京大学 | Inquiring method of operation system member storehouse |
| CN1620021A (en) * | 2003-11-20 | 2005-05-25 | 南京中普信息技术有限公司 | Radio transmission network system based on embeddod platform |
| CN1946051A (en) * | 2005-10-09 | 2007-04-11 | 华为技术有限公司 | Method for selecting repeat path in repeat control separating system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1620021A (en) * | 2003-11-20 | 2005-05-25 | 南京中普信息技术有限公司 | Radio transmission network system based on embeddod platform |
| CN1581163A (en) * | 2004-05-20 | 2005-02-16 | 北京大学 | Inquiring method of operation system member storehouse |
| CN1946051A (en) * | 2005-10-09 | 2007-04-11 | 华为技术有限公司 | Method for selecting repeat path in repeat control separating system |
Non-Patent Citations (1)
| Title |
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| 无.无.ITU-T Recommendation Y.2111 Resource and admission control functions in Next Generation Networks.2006,12-20. * |
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