CN101047623A - Method and device for responding resource preleave require or strategy decision require - Google Patents
Method and device for responding resource preleave require or strategy decision require Download PDFInfo
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- CN101047623A CN101047623A CNA2006100734354A CN200610073435A CN101047623A CN 101047623 A CN101047623 A CN 101047623A CN A2006100734354 A CNA2006100734354 A CN A2006100734354A CN 200610073435 A CN200610073435 A CN 200610073435A CN 101047623 A CN101047623 A CN 101047623A
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Abstract
A method for carrying out response on resource pre-reserving request includes obtaining processing result on said request, judging whether negative processing result is caused by flow itself or not according to each flow in said request if processing result of said request is negative, writing different judgment result values of various flows in response message of said request according to judgment result.
Description
Technical field
The present invention relates to resource reservation request or strategy are determined the method and apparatus that request responds.The resource reservation request or the strategy that relate in particular to comprising a plurality of streams determine the method and apparatus that request responds.
Background technology
WiMAX (Worldwide Interoperability for Microwave Access, micro-wave access global inter communication) is a kind of wireless metropolitan area network technology based on the IEEE802.16 standard, it is a kind of fully based on the network of IP packet-switch technology, can provide towards the high speed of the Internet to connect.Carrying is multiple as multimedia services such as video, voice, data in the WiMAX network.Miscellaneous service has corresponding QoS to support according to self to the different needs that requires of network characteristics such as bandwidth, time delay, delay variation and packet loss.The WiMAX system need guarantee that this assurance is mainly reflected in system's qos parameter to network based service request when business initiation, change, deletion and carries out corresponding resource reservation for different business provides different QoS.
In the WIMAX system, the functional entity relevant with QoS mainly contains:
● SFM (Service Flow Management management service flow): be arranged in BS (base station),, be responsible for establishment, activation, modification and the deletion etc. of Business Stream according to the situation of local wireless sources.
● SFA (mandate of Service Flow Authorization service flow): be arranged in ASN, comprise the serving SFA (service SFA) and the anchor SFA (anchor SFA) that communicate by letter with MS (mobile radio station), anchor SFA authorizes service flow according to local policy.
● PF (Police Function policing feature): be arranged in CSN, grasp user's QoS configuration and the corresponding strategies database among the CSN (Connectivity Service Network, connectivity serving network), be responsible for mandate to service request.
Professional establishment, modification and deletion can be initiated also can be initiated by MS by network.
When network is initiated the dynamic service application, PF carries out service authorization according to user's QoS configuration and corresponding strategies, SFA in ASN sends resource reservation request (RR-Request) then, SFA sends resource reservation request to SFM after applying local policy, SFM does access control according to the Radio Resource situation of BS, initiates the professional request of setting up to MS then.When MS initiated the dynamic service request, the SFA among the ASN need send strategy decision request (PD-Request) to the PF of CSN (V-PF or H-PF).The policy database that PF basis and it are associated judges whether to accept request, if PF has refused PD-Request, then system does not allow professional foundation; If PF has accepted PD-Request, then can indicate SFA to initiate RR-Request and carry out resource reservation.
Having defined RR-Request in the current WiMAX draft standard handles with the dynamic service establishment, revises and delete relevant qos feature with tactful decision response (PD-Response) message with PD-Request message and resource reservation response (RR-Response) accordingly.
In current WiMAX draft standard, professional application initiator can the incidentally request of a plurality of Business Streams simultaneously in a RR-Request or PD-Request message, thereby quickens the process of professional application.When professional application process PF, SFA and SFM, PF and SFA can apply local policy to the business of applying for, SFM can apply local access control.Access Network can determine whether doing corresponding resource reservation for the business of applying for according to the result of these strategy decisions and control.
After the business application, system can make corresponding RR-Response or PD-Response to RR-Request or PD-Request.
Those skilled in the art are clearly to the form of resource reservation request and strategy decision request responding, thereby this paper will not give unnecessary details.
When system is a business application that includes single or multiple Business Streams when responding, system can return a Reservation Result field for each stream in the business application, shows the judged result of system to this stream.
In the current draft standard in RR-Response or the PD-Response message expression of ReservationResult field value as shown in table 1.
The expression mode of Reservation Result field in table 1.RR-Response or the PD-Response message.
Resource reservation result or tactful determination result
The expression mode of Reservation Result field in table 1.RR-Response or the PD-Response message.
Wherein, the result of field Result (result field) expression resource reservation or strategy decision, it can get following value:
-0x0001:Successfully Created (successfully creating)
-0x0002:Successfully Admitted (successfully approval)
-0x0003:Successfully Activated (successfully activating)
-0x0004:Successfully Modified (successfully revising)
-0x0005:Request Denied-No resources (request is rejected-does not have resource)
-0x0006:Request Denied due to Policy (because of strategy is refused this request)
-0x0007:Request Failed (Unspecified reason) (request failure (reason is uncertain))
In prior art one, when the business application side of accepting when simultaneously incidentally resource reservation or strategy decision are made in the application of a plurality of Business Streams, can be because wherein the resource requirement of certain Business Stream be too high or do not meet system strategy, thus the application of refusal whole service.But when professional application was failed, professional application initiator can't learn it is because which stream causes application to fail, and therefore can not do corresponding revision to the business of applying for, initiates professional application again.
Summary of the invention
The present invention is in view of the problems referred to above of prior art and make.At the business application that contains a plurality of Business Streams being done resource reservation or when failure strategy decision in the present WiMAX draft standard, it is the shortcoming which Business Stream causes failure that professional application initiator can't discern, returning increase by one ident value among resource reservation or the tactful result who determines in system, is the business application failure which stream causes in order to informing business application initiator.
According to an aspect of the present invention, provide a kind of method that resource reservation or strategy request are responded, may further comprise the steps: the result obtaining step, obtain the result at described request; Determining step, at the result of described request when negating, judge what whether described nack process result itself was caused by this stream at each stream in the described request; Write step according to described judged result, in the response message of described request, writes different judged result values at this stream.
Preferably, also comprise forwarding step, send described response message.
Preferably, the said write step is for to write different judged result values in the Result field at this stream of described response message.
Further, described judged result value is not the value that self is caused by this stream for the described nack process result of expression for value and the described nack process result of expression that this stream causes self.
Further, the described nack process result of described expression is for the value that this stream causes self is 0X0005 or 0x00006, represents that described nack process result is not is 0x00008 by the value that this stream causes self.
Preferably, described determining step is during by certain first-class causing judging described nack process result, do not continuing to judge at the stream judged, and the judged result of the described stream of judging all is defined as not being being caused by this described stream of judging respectively.
According to another aspect of the present invention, provide a kind of resource reservation request or strategy have been determined the device that request responds, having comprised: the result acquiring unit, obtain the result at described request; Judging unit, at the result of described request when negating, judge what whether described nack process result itself was caused by this stream at each stream in the described request; Writing unit according to described judged result, in the response message of described request, writes different judged result values at this stream.
Preferably, also comprise transmitting element, send described response message.
Preferably, the said write unit writes different judged result values in the Result field at this stream of described response message.
Further, described judged result value is not the value that self is caused by this stream for the described nack process result of expression for value and the described nack process result of expression that this stream causes self.
Further, the described nack process result of described expression is for the value that this stream causes self is 0X0005 or 0x00006, represents that described nack process result is not is 0x00008 by the value that this stream causes self.
Preferably, described judging unit is during by certain first-class causing judging described nack process result, no longer proceed to judge at the stream of judging, and the judged result of the described stream of judging all is defined as not being being caused by this described stream of judging respectively.
Description of drawings
Fig. 1 is the flow chart according to method of the present invention;
Fig. 2 is the flow chart according to device of the present invention.
Embodiment
With reference to the accompanying drawings the specific embodiment of the present invention is elaborated.As shown in Figure 1, resource reservation request or strategy are determined the method that request responds, may further comprise the steps according to of the present invention: the result obtaining step, obtain the result at described request; Determining step, at the result of described request when negating, judge what whether described nack process result itself was caused by this stream at each stream in the described request; Write step according to described judged result, in the response message of described request, writes different judged result values at this stream.
Preferably, also comprise a forwarding step, be used for described response message is sent.
When receiving resource reservation request or strategy decision request, Access Network can make whether accepting this request responding.Making of this response is that those skilled in the art understand, thereby this paper will not give unnecessary details.Making when not accepting this request responding, when promptly having made nack process, the present invention is directed to each stream and judge what whether this nack process result itself was caused by this stream, and according to described judged result, in the response message of described request, write different judged result values at this stream.
When judging at each stream whether this nack process result be itself to be caused by this stream, can judge one by one, up to all judging at each stream in the described request.Alternatively, can be during also judging described nack process result by certain first-class causing, no longer proceed to judge at the stream of judging, and the judged result of the described stream of judging all is defined as not being being caused by this described stream of judging respectively.
Particularly, in the present invention, in the response message of resource reservation or strategy decision, increase an ident value: 0x0008:Request Denied due to Requests for Other FlowsFailed (0x0008 :) because other stream request failures cause this stream request to be rejected.
Like this, in the present invention, carry out in the response message of resource reservation or strategy decision Reservation Result field in the WiMAX system as shown in Table 2.
The expression mode of Reservation Result field in form 2.RR-Response or the PD-Response message.
Resource reservation result or tactful determination result
Wherein, the result of field Result (result field) expression resource reservation or strategy decision, it can get following value:
-0x0001:Successfully Created (successfully creating)
-0x0002:Successfully Admitted (successfully approval)
-0x0003:Successfully Activated (successfully activating)
-0x0004:Successfully Modified (successfully revising)
-0x0005:Request Denied-No resources (request is rejected-does not have resource)
-0x0006:Request Denied due to Policy (because of strategy is refused this request)
-0x0007:Request Failed (Unspecified reason) (request failure, indefinite reason)
-0x0008:Request Denied due to Requests for Other Flows Failed (because other stream request failures cause this stream request to be rejected)
Obviously, this 0x0008 also can be other values different with 0x0005,0x0006, and conflicting mutually only otherwise with other values of Result field (result field) gets final product.That is to say that it is exemplary, is not determinate.
Like this, when having a plurality of Business Stream in the professional application, these Business Streams must satisfy system strategy simultaneously or resource situation could be carried out this business.When the request of some stream does not wherein meet system strategy or system resource and can't satisfy the request of this stream, the application of this business will be refused by system, and business can not be carried out.
In the realization of prior art, when system can not satisfy the request of certain stream wherein and refuse the application of whole service, result during corresponding resource reservation responds in each Business Stream in the application business will be set to 0x0005 (showing that system does not have the resource of respective streams), or the result in the corresponding strategy decision response will be set to 0x0006 (showing that respective streams does not meet system strategy).Like this, professional application side can't know that the business application that is caused by wherein which stream fails.
In technical scheme of the present invention, if above-mentioned situation occurs, then according to judged result, in the response of the stream that causes this business application failure, the resource reservation result is set to 0x0005 (showing that system does not have the resource of respective streams) or tactful determination result is set to 0x0006 (showing that respective streams does not meet system strategy); The stream that satisfies system strategy or resource situation for other (promptly is not the reason owing to self, but since other streams former thus cause this its be rejected) the request response in, resource reservation or tactful determination result are set to 0x0008 (showing it is to cause the request of this stream to be rejected because other stream requests are failed).Like this, professional application side will learn it is that business application by which stream causes is failed from the request response results of all streams of returning.
The present invention determines the return results in the response to increase an ident value in resource reservation response or strategy on the basis of existing technology, is by which stream in the application Business Stream to be caused in order to show when professional application is failed.The effect of making like this has: (1) makes professional application initiate to learn the reason of resource reservation or strategy decision failure; (2) professional application can be made the corresponding business revision according to return results, initiates professional application again.
According to a further aspect in the invention, Fig. 2 shows according to of the present invention resource reservation request or strategy is determined the device that request responds, as shown in Figure 2, the device that resource reservation request or strategy decision request are responded of the present invention comprises: the result acquiring unit, obtain the result at described request; Judging unit, at the result of described request when negating, judge what whether described nack process result itself was caused by this stream at each stream in the described request; Writing unit according to described judged result, in the response message of described request, writes different judged result values at this stream.
Preferably, the described device that resource reservation request or strategy decision request are responded also comprises transmitting element, sends described response message.
In addition, the said write unit can write different judged result values in the Result field at this stream of described response message.Described judged result value is not the value that self is caused by this stream for the described nack process result of expression for value and the described nack process result of expression that this stream causes self.Preferably, the described nack process result of described expression is for the value that this stream causes self is 0X0005 or 0x00006, represents that described nack process result is not is 0x00008 by the value that this stream causes self.
Preferably, described judging unit is during by certain first-class causing judging described nack process result, no longer proceed to judge at the stream of judging, and the judged result of the described stream of judging all is defined as not being being caused by this described stream of judging respectively.
Above example only is illustrative.Those skilled in the art can carry out various changes and modification according to spirit of the present invention.For example increase the value of 0x0009, so that the resource reservation result is separated mutually with tactful determination result, its with the relation of 0x0008 just as the relation of 0x0005 and 0x0006.In a word, scope of the present invention is limited by the accompanying claims.
Claims (12)
1, a kind of to resource reservation request or the tactful method that determines that request responds, may further comprise the steps:
The result obtaining step obtains the result at described request;
Determining step, at the result of described request when negating, judge what whether described nack process result itself was caused by this stream at each stream in the described request;
Write step according to described judged result, in the response message of described request, writes different judged result values at this stream.
2, method according to claim 1 also comprises forwarding step, sends described response message.
3, method according to claim 1, the said write step is for writing different judged result values in the result field at this stream of described response message.
4, method according to claim 3, described judged result value is not the value that self is caused by this stream for the described nack process result of expression for value and the described nack process result of expression that this stream causes self.
5, method according to claim 4, the described nack process result of described expression is for the value that this stream causes self is 0X0005 or 0x00006, represents that described nack process result is not is value beyond described 0X0005 or the 0x00006 by the value that this stream causes self.
6, method according to claim 1, described determining step is during by certain first-class causing judging described nack process result, no longer continue to judge at the stream judged, and the judged result of the described stream of judging all is defined as not being being caused by this described stream of judging respectively.
7, a kind of to resource reservation request or the tactful device that determines that request responds, comprising:
The result acquiring unit obtains the result at described request;
Judging unit, at the result of described request when negating, judge what whether described nack process result itself was caused by this stream at each stream in the described request;
Writing unit according to described judged result, in the response message of described request, writes different judged result values at this stream.
8, device according to claim 7 also comprises transmitting element, sends described response message.
9, device according to claim 7, said write unit write different judged result values in the result field at this stream of described response message.
10, device according to claim 9 is characterized in that, described judged result value is not the value that self is caused by this stream for the described nack process result of expression for value and the described nack process result of expression that this stream causes self.
11, device according to claim 10, it is characterized in that, the described nack process result of described expression represents that for the value that this stream causes self is 0X0005 or 0x00006 described nack process result is the value beyond described 0X0005 or the 0x00006 by the value that this stream causes self.
12, device according to claim 7, it is characterized in that, described judging unit is during by certain first-class causing judging described nack process result, no longer proceed to judge at the stream of judging, and the judged result of the described stream of judging all is defined as not being being caused by this described stream of judging respectively.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100734354A CN100536432C (en) | 2006-03-28 | 2006-03-28 | Method and device for responding resource preleave require or strategy decision require |
| PCT/CN2007/000633 WO2007098691A1 (en) | 2006-02-28 | 2007-02-28 | Method and system for assuring qos in communication systems |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006100734354A CN100536432C (en) | 2006-03-28 | 2006-03-28 | Method and device for responding resource preleave require or strategy decision require |
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| CN101047623A true CN101047623A (en) | 2007-10-03 |
| CN100536432C CN100536432C (en) | 2009-09-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442397B (en) * | 2007-11-23 | 2012-07-04 | 中兴通讯股份有限公司 | Transmission method for reason value |
| CN102742289A (en) * | 2009-03-25 | 2012-10-17 | 瑞典爱立信有限公司 | Method for temporal admission control in a digital video network |
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2006
- 2006-03-28 CN CNB2006100734354A patent/CN100536432C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101442397B (en) * | 2007-11-23 | 2012-07-04 | 中兴通讯股份有限公司 | Transmission method for reason value |
| CN102742289A (en) * | 2009-03-25 | 2012-10-17 | 瑞典爱立信有限公司 | Method for temporal admission control in a digital video network |
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| Publication number | Publication date |
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| CN100536432C (en) | 2009-09-02 |
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