CN101102320B - Method for capturing reserved resource - Google Patents
Method for capturing reserved resource Download PDFInfo
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- CN101102320B CN101102320B CN200710138085A CN200710138085A CN101102320B CN 101102320 B CN101102320 B CN 101102320B CN 200710138085 A CN200710138085 A CN 200710138085A CN 200710138085 A CN200710138085 A CN 200710138085A CN 101102320 B CN101102320 B CN 101102320B
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Abstract
In the resource and admission control subsystem (RACS), presetting a system preemption reservation resource ID used for deciding if allowing to preempt the reserved sources; presetting a preemption condition; when RACS receives the resource-reserved request from the service layer, it decides if the service corresponding to said resource-reserved request satisfies the preemption condition; if yes, it preempts the reserved resource for the service.
Description
Technical field
The present invention relates to the communications field, and particularly, relate to a kind of method of seizing reserved resource.
Background technology
At next generation network (NGN; Next Generation Network) in; QoS guarantees in order to provide end to end; Between professional control plane and transmission plane, newly added resource and admission control sublayer, be responsible for the resource of bearer network is admitted control, the reservation of bearing bed resource is provided for application layer.Wherein, Fig. 1 shows existing NGN resources in network and admits the framework of control.
At present Resource and Admission Control Sub-system (RACS; Resource and AdmissionControl Subsystem) in the existing procedure, comprises complete user access network flow process, resource reservation request interaction flow, resource modifying request interaction flow, resource release flow etc.But under the resource reservation case of successful, certain obstacle appears in the service interaction completion active release or the network that remove this resource of unoccupied, otherwise this resource will be occupied always.
Under the complete occupied situation of network carrying resource, suppose to be certain important urgency traffic (political notice or accident are evacuated notice) reserved resource, in existing RACS system, be impossible realize.
Summary of the invention
Consider the problems referred to above that exist in the prior art and propose the present invention, for this reason, the present invention aims to provide a kind of method of seizing reserved resource.
In the method; The system that whether allows to seize reserved resource is set in Resource and Admission Control Sub-system in advance seizes the reserved resource sign; And preemptive condition is set in advance; Resource and admission control sublayer is judging that the resource reservation request corresponding service satisfies under the situation of preemptive condition, is this service occupation reserved resource when receiving the resource reservation request of operation layer.
Wherein, above-mentioned preemptive condition is following any or its combination: the service priority of initiating the business of resource request is higher than the service priority of at least one reserved resource corresponding service; The resource reservation priority of initiating the business of resource request is higher than the resource reservation priority of at least one reserved resource corresponding service.
Particularly, said method can comprise following processing: client is initiated service request; Application level function entity analysis service request is therefrom extracted relevant parameter, and sends the resource reservation request that comprises relevant parameter to the Media Stream policy deciding functional entity; In response to resource reservation request; The Media Stream policy deciding functional entity judges according to predetermined factors whether the resource reservation request corresponding service satisfies preemptive condition; And under situation about satisfying, comprise the resource reservation request that system seizes reserved resource sign and service occupation sign to the forwarding of accommodating access resource controlled function entity; In response to the resource reservation request of transmitting; Accommodating access resource controlled function entity judges whether bearing resource satisfies the requirement of resource reservation request; Judged result for situation not under, further seize reserved resource sign and service occupation sign and determine whether to seize reserved resource for the resource reservation request corresponding service according to system.
Wherein, above-mentioned relevant parameter comprises: bandwidth requirement, service priority.Above-mentioned predetermined factors comprises: the policy library of operator's definition, the service priority of resource reservation request corresponding service, the resource reservation priority of resource reservation request corresponding service.
In addition, above-mentioned service occupation sign is used for whether identification medium Flow Policy decision making function entity satisfies preemptive condition to the resource reservation request corresponding service judged result.
Like this, whether accommodating access resource controlled function entity is seized the decision of reserved resource sign and service occupation sign according to system and further comprised for the processing that the resource reservation request corresponding service is seized reserved resource: accommodating access resource controlled function entity is at first seized the reserved resource sign according to system and is judged whether to allow to seize reserved resource; In judged result is under the situation that is, judges according to the service occupation sign whether the resource reservation request corresponding service satisfies preemptive condition; In judged result is under the situation that is, seizes to having the professional reserved resource of lowest priority.
On the basis of foregoing, this method may further include following processing: accommodating access resource controlled function entity is to the result of Media Stream policy deciding functional entity feedback resources reservation request; The Media Stream policy deciding functional entity writes down and transmits result to the application level function entity; The result of application level function entity notice client service request.
Through the present invention, under the nervous situation of network carrying resource, can guarantee the enforcement of important urgency traffic through seizing reserved resource.
Other features and advantages of the present invention will be set forth in specification subsequently, and, partly from specification, become obvious, perhaps understand through embodiment of the present invention.The object of the invention can be realized through the structure that in the specification of being write, claims and accompanying drawing, is particularly pointed out and obtained with other advantages.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used to explain the present invention with embodiments of the invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the Organization Chart according to the RACS system in the NGN network of prior art;
Fig. 2 is the flow chart according to the method for seizing reserved resource of the embodiment of the invention; And
Fig. 3 is the Signalling exchange sketch map of method shown in Figure 2.
Embodiment
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for explanation and explains the present invention, and be not used in qualification the present invention.
According to the embodiment of the invention, a kind of method of seizing reserved resource is provided.
In the method; The system that whether allows to seize reserved resource is set in Resource and Admission Control Sub-system (RACS) in advance seizes the reserved resource sign; And preemptive condition is set in advance; RACS is judging that the resource reservation request corresponding service satisfies under the situation of preemptive condition, is this service occupation reserved resource when receiving the resource reservation request of operation layer.
Wherein, above-mentioned preemptive condition is following any or its combination: the service priority of initiating the business of resource request is higher than the service priority of at least one reserved resource corresponding service; The resource reservation priority of initiating the business of resource request is higher than the resource reservation priority of at least one reserved resource corresponding service.
Fig. 2 shows the Signalling exchange flow process of this method.As shown in Figure 2, subscriber equipment (UE) is initiated service request (201) to application level function entity (AF, Application Function); AF sends resource request (202) to Media Stream policy deciding functional entity (SPDF, Service_based PolicyDecision Function), afterwards; SPDF transmits this resource request (203) to accommodating access resource controlled function entity (Access-Resource and Admission Control Function, Access_Resource and AdmissionControl Function), after treatment; Access-Resource and Admission Control Function is to SPDF resource response processing of request result (204); And further to AF response this result (205), last, AF notifies UE (206) with result to SPDF.
Particularly, as shown in Figure 3, this method can comprise following processing:
Step S302, UE initiates service request;
Step S304, AF analyzes service request, therefrom extracts relevant parameter (comprising: bandwidth requirement, service priority), and sends the resource reservation request that comprises relevant parameter to SPDF;
Step S306; In response to resource reservation request; SPDF judges according to predetermined factors (comprising: the policy library of operator's definition, the service priority of resource reservation request corresponding service, the resource reservation priority of resource reservation request corresponding service) whether the resource reservation request corresponding service satisfies preemptive condition; And under situation about satisfying, comprise the resource reservation request that system seizes reserved resource sign and service occupation sign to the Access-Resource and Admission Control Function forwarding; Wherein, can the service occupation sign be used for identification medium Flow Policy decision making function entity whether the resource reservation request corresponding service is satisfied the judged result of preemptive condition, that is, be used to identify this business and seize reserved resource;
Step S308; In response to the resource reservation request of transmitting, Access-Resource and Admission Control Function judges whether bearing resource satisfies the requirement of resource reservation request, is under the situation not in judged result; Further seize the decision of reserved resource sign and service occupation sign and whether seize reserved resource for the resource reservation request corresponding service according to system; And be under the situation that is in judged result, undertaken by the resource reservation flow process of routine, do not carry out resource race to control.
Particularly, in step S308, whether Access-Resource and Admission Control Function is seized the decision of reserved resource sign and service occupation sign according to system and is further comprised for the processing that the resource reservation request corresponding service is seized reserved resource:
Access-Resource and Admission Control Function is at first seized the reserved resource sign according to system and is judged whether to allow to seize reserved resource; In judged result is under the situation that is, judges according to the service occupation sign whether the resource reservation request corresponding service satisfies preemptive condition; In judged result is under the situation that is, seizes to having the professional reserved resource of lowest priority.
As above said with reference to Fig. 2, on the basis of foregoing, after step S308, this method may further include following processing: Access-Resource and Admission Control Function is to the result of SPDF feedback resources reservation request; SPDF writes down and transmits result to AF; AF notifies UE processing of request result (not shown among Fig. 3).
Like this, through technical scheme provided by the invention, under the nervous situation of network carrying resource, can guarantee the enforcement of important urgency traffic through seizing reserved resource.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. a method of seizing reserved resource is characterized in that, the system that whether allows to seize reserved resource is set in Resource and Admission Control Sub-system in advance seizes the reserved resource sign, and preemptive condition is set in advance;
Resource and admission control sublayer is judging that the resource reservation request corresponding service satisfies under the situation of preemptive condition when receiving the resource reservation request of operation layer, for said service occupation reserved resource comprises:
Client is initiated service request;
The said service request of application level function entity analysis is therefrom extracted relevant parameter, and sends the resource reservation request that comprises said relevant parameter to the Media Stream policy deciding functional entity;
In response to said resource reservation request; Said Media Stream policy deciding functional entity judges according to predetermined factors whether said resource reservation request corresponding service satisfies said preemptive condition; And under situation about satisfying, comprise the resource reservation request that said system seizes reserved resource sign and service occupation sign to the forwarding of accommodating access resource controlled function entity;
In response to the said resource reservation request of transmitting; Said accommodating access resource controlled function entity judges whether bearing resource satisfies the requirement of said resource reservation request; Judged result for situation not under, further seize the reserved resource sign and whether the decision of said service occupation sign is that said resource reservation request corresponding service is seized reserved resource according to said system;
Judging that the resource reservation request corresponding service satisfies under the situation of preemptive condition, is said service occupation reserved resource.
2. method according to claim 1 is characterized in that, said preemptive condition is following any or its combination: the service priority of initiating the business of said resource request is higher than the service priority of at least one reserved resource corresponding service; The resource reservation priority of initiating the business of said resource request is higher than the resource reservation priority of at least one reserved resource corresponding service.
3. method according to claim 2 is characterized in that, said relevant parameter comprises: bandwidth requirement, service priority.
4. method according to claim 2 is characterized in that, said predetermined factors comprises: the policy library of operator's definition, the service priority of said resource reservation request corresponding service, the resource reservation priority of said resource reservation request corresponding service.
5. method according to claim 2 is characterized in that, said service occupation sign is used to identify whether said Media Stream policy deciding functional entity satisfies said preemptive condition to said resource reservation request corresponding service judged result.
6. method according to claim 2; It is characterized in that said accommodating access resource controlled function entity seizes the reserved resource sign according to said system and whether the decision of said service occupation sign is that the processing that said resource reservation request corresponding service is seized reserved resource further comprises:
Said accommodating access resource controlled function entity is at first seized the reserved resource sign according to said system and is judged whether to allow to seize reserved resource;
In judged result is under the situation that is, judges according to said service occupation sign whether said resource reservation request corresponding service satisfies said preemptive condition;
In judged result is under the situation that is, seizes to having the professional reserved resource of lowest priority.
7. according to each described method in the claim 2 to 6, it is characterized in that, further comprise:
Said accommodating access resource controlled function entity feeds back the result of said resource reservation request to said Media Stream policy deciding functional entity;
Said Media Stream policy deciding functional entity writes down and transmits said result to said application level function entity;
Said application level function entity is notified the said result of the said service request of said client.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN200710138085A CN101102320B (en) | 2007-08-08 | 2007-08-08 | Method for capturing reserved resource |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200710138085A CN101102320B (en) | 2007-08-08 | 2007-08-08 | Method for capturing reserved resource |
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| CN101102320A CN101102320A (en) | 2008-01-09 |
| CN101102320B true CN101102320B (en) | 2012-09-05 |
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| CN200710138085A Expired - Fee Related CN101102320B (en) | 2007-08-08 | 2007-08-08 | Method for capturing reserved resource |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101321398B (en) * | 2008-07-16 | 2011-04-06 | 中兴通讯股份有限公司 | Resource allocation method for urgent call |
| EP3386224B1 (en) | 2015-12-23 | 2020-08-12 | Huawei Technologies Co., Ltd. | Downlink emergency service transmission method, base station, and user equipment and system |
| CN110719610A (en) * | 2018-07-11 | 2020-01-21 | 普天信息技术有限公司 | Method and device for seizing service resources |
| CN114268549A (en) * | 2021-12-10 | 2022-04-01 | 郑州云海信息技术有限公司 | Method, system, equipment and storage medium for resource preemption by cloud platform |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510935A (en) * | 2002-12-21 | 2004-07-07 | 华为技术有限公司 | Method for resource planning method in communication system |
| CN1747400A (en) * | 2004-09-08 | 2006-03-15 | 华为技术有限公司 | System and realization for dynamic cooperating service quality in next generation network |
| CN1867189A (en) * | 2006-01-21 | 2006-11-22 | 华为技术有限公司 | Method and system for realizing urgent call in group-calling process |
| CN1870580A (en) * | 2005-08-09 | 2006-11-29 | 华为技术有限公司 | Implement method and device for raising resource requir efficiency |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1510935A (en) * | 2002-12-21 | 2004-07-07 | 华为技术有限公司 | Method for resource planning method in communication system |
| CN1747400A (en) * | 2004-09-08 | 2006-03-15 | 华为技术有限公司 | System and realization for dynamic cooperating service quality in next generation network |
| CN1870580A (en) * | 2005-08-09 | 2006-11-29 | 华为技术有限公司 | Implement method and device for raising resource requir efficiency |
| CN1867189A (en) * | 2006-01-21 | 2006-11-22 | 华为技术有限公司 | Method and system for realizing urgent call in group-calling process |
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