CN103188168B - A kind of QoS optimization method and equipment - Google Patents
A kind of QoS optimization method and equipment Download PDFInfo
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- CN103188168B CN103188168B CN201110461607.6A CN201110461607A CN103188168B CN 103188168 B CN103188168 B CN 103188168B CN 201110461607 A CN201110461607 A CN 201110461607A CN 103188168 B CN103188168 B CN 103188168B
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Abstract
The invention discloses a kind of QoS optimization method and equipment, the method comprises: the negotiation carrying out the QoS optimisation strategy based on signaling plane between communication end point, and preserves the QoS optimisation strategy after consulting respectively; Wherein, described QoS optimisation strategy comprises the trigger condition of at least two optimization aim and correspondence; Described communication end point carries out Real-Time Monitoring according to the QoS optimisation strategy after described negotiation to media data transmission, and when monitoring described media data transmission and meeting one or more trigger condition, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface.In the present invention, ensure for real time communication user provides QoS end to end.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of QoS optimization method and equipment.
Background technology
Along with the high speed development of Internet technology, it is increasing that the various real time communication such as voice call, video conference, game on line are applied in proportion in Internet data traffic.Correspondingly, how to be user, particularly moving access user provides QoS (QualityofService, service quality) end to end to ensure to become the problem that is needed badly solution.
Summary of the invention
The embodiment of the present invention provides a kind of QoS optimization method and equipment, thinks that real time communication user provides QoS end to end to ensure.
In order to achieve the above object, the embodiment of the present invention provides a kind of QoS method optimized, and comprising:
Carry out the negotiation of the QoS optimisation strategy based on signaling plane between communication end point, and preserve the QoS optimisation strategy after consulting respectively; Wherein, described QoS optimisation strategy comprises the trigger condition of at least two optimization aim and correspondence;
Described communication end point carries out Real-Time Monitoring according to the QoS optimisation strategy after described negotiation to media data transmission, and when monitoring described media data transmission and meeting one or more trigger condition, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface.
The embodiment of the present invention provides a kind of communication end point, comprising:
Policy conferring module, consults for the service quality QoS optimisation strategy of carrying out between communication end point based on signaling plane;
Memory module, for preserving the QoS optimisation strategy after negotiation; Wherein, described QoS optimisation strategy comprises the trigger condition of at least two optimization aim and correspondence;
Monitoring modular, for carrying out Real-Time Monitoring according to the QoS optimisation strategy stored in described memory module to media data transmission;
Optimize module, when described monitoring module monitors meets one or more trigger condition to described media data transmission, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface.
Compared with prior art, the present invention at least has the following advantages:
In embodiments of the present invention, the QoS optimisation strategy of carrying out between communication end point based on signaling plane is consulted, and preserves the QoS optimisation strategy after consulting respectively; When communication end point according to consult after QoS optimisation strategy monitor current media data transmission meet consult after QoS optimisation strategy in trigger condition time, carry out optimizing based on the QoS of medium surface according to the optimisation strategy of correspondence, ensure for real time communication user provides QoS end to end.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of embodiment of the present invention QoS optimization method;
The QoS optimisation strategy that Fig. 2 provides for the embodiment of the present invention consults schematic flow sheet;
The QoS Optimizing Flow schematic diagram that Fig. 3 provides for the embodiment of the present invention;
The structural representation of the communication end point that Fig. 4 provides for the embodiment of the present invention.
Embodiment
In order to provide QoS end to end to ensure for real time communication user, embodiments provide the technical scheme that a kind of QoS optimizes.In this technical scheme, the QoS optimisation strategy of carrying out between communication end point based on signaling plane is consulted, and preserves the QoS optimisation strategy after consulting respectively; When communication end point according to consult after QoS optimisation strategy monitor current media data transmission meet consult after QoS optimisation strategy in trigger condition time, carry out optimizing based on the QoS of medium surface according to the optimisation strategy of correspondence, ensure for real time communication user provides QoS end to end.
Below in conjunction with the accompanying drawing in the application, carry out clear, complete description to the technical scheme in the application, obviously, described embodiment is a part of embodiment of the application, instead of whole embodiments.Based on the embodiment in the application, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of the application's protection.
As shown in Figure 1, for the schematic flow sheet of the QoS optimization method that the embodiment of the present invention provides, wherein, for convenience of description, in the technical scheme that the embodiment of the present invention provides, QoS optimizes also can referred to as optimization, namely in following description, if non-specified otherwise, optimize and namely refer to that QoS optimizes, the method can comprise the following steps:
The QoS optimisation strategy of carrying out between step 101, communication end point based on signaling plane is consulted, and preserves the optimisation strategy consulting to determine respectively.Wherein, described optimisation strategy comprises the trigger condition of at least two optimization aim and correspondence.
Concrete, in order to the dynamic optimization making each side of real time communication can carry out meeting communication end point expection according to change of network environment in media delivery process, and guarantee that the optimisation strategy that communication end point is initiated can be accepted by Correspondent Node, need between communication end point to be optimized policy conferring, reach an agreement to make between communication end point the optimisation strategy of just carrying out dynamic optimization for QoS.
Wherein, in the technical scheme that the embodiment of the present invention is supplied to, the QoS optimisation strategy between communication end point is consulted based on signaling plane, and its specific implementation can include but not limited to under type:
Mode one, set up between communication end point signaling plane connect process in carry out the negotiation of QoS optimisation strategy
Concrete, when needing to set up session between communication end point, communication local terminal (session setup side) can send to Correspondent Node the signaling plane connection establishment request carrying be optimized by itself strategy; After Correspondent Node (conversational response side) receives this signaling plane connection establishment request, on the one hand, carry out the related procedure of signaling plane connection establishment, its idiographic flow does not repeat them here; On the other hand, merge and conflict resolution processing logic according to local optimisation strategy, the optimisation strategy received and default strategy, determine final optimisation strategy, preserve, and the optimisation strategy after determining is carried in signaling plane connection response message returns to session setup side; After communication local terminal receives the signaling plane connection response message carrying the optimisation strategy after determining, obtain the optimisation strategy of wherein carrying, and preserve the optimisation strategy got.
Mode two, set up between communication end point signaling plane connect after carry out the negotiation of QoS optimisation strategy
Concrete, after communication end point sets up signaling plane connection, communication local terminal (policy conferring initiator, can be session setup side, also can be conversational response side) signaling plane can be utilized to connect to Correspondent Node transmission QoS optimisation strategy negotiation request message, wherein carry the optimisation strategy of self; After Correspondent Node (policy conferring responder) receives this request message, merge and conflict resolution processing logic according to local optimisation strategy, the optimisation strategy received and default strategy, determine final optimisation strategy, preserve, and return to policy conferring initiator by signaling plane connection; Communication local terminal preserves this optimisation strategy after receiving the optimisation strategy after the determination that Correspondent Node returns.
Consulted by the QoS optimisation strategy that can realize with upper type between communication end point, make to reach an agreement with regard to QoS optimisation strategy between communication end point.Wherein, in the technical scheme that the embodiment of the present invention provides, the QoS optimisation strategy after determining at least comprises the trigger condition of two optimization aim and correspondence.
Wherein, in embodiments of the present invention, communication end point refers to the destination node of media delivery, depends on concrete applied environment, may be user terminal, also may be media gateway device etc.; Optimization aim can comprise code/decode type, codec parameters, redundant transmission type or wobble buffer size etc.; Trigger condition can be that time delay super (Delay) crosses threshold value, packet loss (Loss) exceedes threshold value or shake (Jitter) exceedes threshold value etc.
Step 102, communication end point carry out Real-Time Monitoring according to the optimisation strategy after determining to media data transmission, and when monitoring media data transmission and meeting corresponding trigger condition, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface.
Concrete, in embodiments of the present invention, trigger condition can comprise messaging parameter (as time delay, packet loss, shake etc.) and corresponding threshold value (as 250ms, 5% etc.).
Communication end point is after completing QoS optimisation strategy and consulting, Real-Time Monitoring can be carried out to media data transmission according to the optimisation strategy after determining, and when monitoring media data transmission and meeting corresponding trigger condition, the optimization aim corresponding according to this trigger condition carries out corresponding QoS optimization.Such as, in optimisation strategy a trigger condition be packet loss more than 5%, then communication end point can carry out Real-Time Monitoring to the packet loss of current media transmission, and when monitoring packet loss more than 5%, thinks that it meets trigger condition, triggers corresponding QoS and optimizes.
When communication end point monitors after media data transmission meets corresponding trigger condition (if current media transmission packet loss is more than 5%), the media channel of current sessions can be utilized to send QoS optimization request message to Correspondent Node, wherein carry optimization aim, trigger condition and current monitoring information; After Correspondent Node receives this QoS optimization request message, optimisation strategy according to the optimization request message received and self storage determines whether to agree to this optimization request, and when agreeing to, returning optimization acknowledge message to described communication end point, and carrying out corresponding QoS optimization.
Wherein, in the technical scheme that the embodiment of the present invention provides, the precedence information that can also comprise corresponding optimization aim in the optimisation strategy determined is consulted between communication end point, now, when monitoring media data transmission and meeting multiple trigger condition, the optimization aim the highest according to the optimization aim medium priority that corresponding trigger condition is corresponding carries out QoS optimization.
Further, when the communication session between communication end point comprises multiple Media Stream, so can process according to above-mentioned flow process respectively for each Media Stream.In addition, in the technical scheme that the embodiment of the present invention provides, QoS optimisation strategy can be respective session, namely after current sessions terminates, communication end point can delete local store to should the QoS optimisation strategy of session.
It should be noted that, in actual applications, in order to improve fail safe, can be encrypted the information of contact when carrying out policy conferring between communication end point and optimize.In addition, above only for code/decode type, in actual applications, above-mentioned optimal way also can comprise codec parameters, redundant transmission type, wobble buffer size etc.
The technical scheme being easier to understand the embodiment of the present invention to make those skilled in the art and providing, below in conjunction with concrete example, the QoS optimisation strategy provided the embodiment of the present invention describes mechanism and is described in detail.
In the technical scheme that the embodiment of the present invention provides, need that mechanism is described to existing media session and expand.To carry out audio/video communication between communication end point A and B.The core concept of expansion scheme utilizes shape as <codec, the statement of condition:value/ [over/under] > is to describing the local Dynamic Selection condition (trigger condition) for certain concrete code decode algorithm (optimization aim) codec of communication end point, wherein codec represents code/decode type, condition represents trigger condition title, as time delay, packet loss, shake etc., value represents activation threshold value, over/under (exceed/lower than) represent trigger action type.
Such as, <PCMA, loss:5/ [under] > and <PCMA, the statement pair that loss:0/ [over] > forms, represent at packet loss [0,5%] do not consider outside interval to select PCMA (A restrains PCM (Pulse-CodeModulation, pulse code modulation)) (G.711-a restraining) code decode algorithm.
On this basis, by adding shape as the SDP (SessionDescriptionProtocol of a=midcall:<identifier>LEssT.L TssT.LTpriority><protocol/cod ec>:<value>LEss T.LTssT.LTcondition>:<valueGr eatT.GreaT.GT/ [over/under] for particular media stream, Session Description Protocol) the related communication end points that just can express of extended description statement set is for the QoS dynamic optimization strategy of this media data flow, wherein, priority represents priority, the agreement adopted during protocol presentation medium transfer of data, codec represents code/decode type, value before condition represents that code/decode type in codec is at RTP (RTP, Real-timeTransportProtocol) load type (PT in data packet head, PayloadType) identification means in field, condition represents trigger condition title, value after condition represents activation threshold value, over/under represents trigger action type.
Such as, a=midcall:720981RTP/G.723:4delay:250ms/over, description be when time delay is more than the code/decode type be preferentially switched to during 250ms G.723.
QoS optimisation strategy in the technical scheme provided the embodiment of the present invention below in conjunction with accompanying drawing is consulted and QoS optimizes and is described below in greater detail.
1, QoS optimisation strategy is consulted
The specific implementation of QoS optimisation strategy negotiations process can based on existing various model, as offer-answer model, advertisement-proposal model and master-slave model etc.In this embodiment, carry SDP descriptor mode to adopt SIP (SessionInitiationProtocol, conversation initialized protocol) message to realize QoS optimisation strategy based on offer-answer model in the session establishment moment and consult to be described for example.
As shown in Figure 2, the QoS optimisation strategy provided for the embodiment of the present invention consults schematic flow sheet, can comprise the following steps:
Step 201, real time communication are initiated terminal A and carry SDP media negotiation offer in session setup request messages (SIPINVITE), which provide the QoS optimisation strategy of self (terminal A).
After step 202, real time communication terminal B receive this session setup request message, merge and conflict resolution processing logic according to the QoS optimisation strategy of the QoS optimisation strategy of wherein carrying, self (terminal B) and default strategy, determine final QoS optimisation strategy, preserve, and it can be used as the part in media negotiation answer to be carried in session establishment response message (as SIP200) to return to real time communication to initiate terminal A.
After terminal B receives the QoS optimisation strategy that terminal A sends, according to own situation, within the framework of the QoS optimisation strategy received, the strategy preset is utilized to merge and conflict resolution processing logic, satisfactory Optimized Measures is selected in Optimized Measures (trigger condition etc. of optimization aim and correspondence) included from the QoS optimisation strategy received, preserve, and selected Optimized Measures is informed to terminal A.
2, QoS optimizes
After completing the negotiation of QoS optimisation strategy between real time communication terminal A and B, optimisation strategy according to consulting to determine carries out Real-Time Monitoring to media data transmission, when monitoring media data transmission and meeting corresponding trigger condition, then the media channel utilizing ongoing session to set up according to the optimisation strategy of correspondence carries out QoS optimization.
As shown in Figure 3, be the QoS Optimizing Flow schematic diagram that the embodiment of the present invention provides, in this embodiment, with real time communication terminal A for optimizing initiator, this Optimizing Flow can comprise the following steps:
Step 301, real time communication terminal A send QoS optimization request by the media channel of current sessions to real time communication terminal B.Wherein, optimization aim, trigger condition and the monitoring information for this trigger condition is at least carried.
Concrete, in embodiments of the present invention, when real time communication end points monitor media data transmission meet corresponding trigger condition time, utilize medium surface to connect and initiate QoS optimization request to Correspondent Node.For this reason, can expand as follows RTCP (Real-TimeTransportControlProtocol, RTCP Real-time Transport Control Protocol) agreement:
Increase a kind of RTCP Report Type, i.e. a kind of RTCP message, wherein can comprise shape as <identifier, priority, conditionname, conditionvalue, actiontype, protocol/codec, the tuple information of currentvalue>, wherein, currentvalue represents monitoring result, particularly, these tuple information are carried in SDP extended description statement.
Step 302, real time communication terminal B are agreed to receive QoS optimization request, and return acknowledge message by the media channel of current sessions to real time communication terminal A.Wherein, at least optimization aim is carried.
Concrete, similar with step 301, in embodiments of the present invention, optimizing confirmation to realize QoS, in embodiments of the present invention, needing to increase another RTCP Report Type, for responding QoS optimization request, wherein can comprise shape as <identifier, priority, ready, the tuple information of tag>, particularly, these tuple information are carried in SDP extended description statement, and the particular content in tag can be decided according to the actual requirements.。
Step 303, real time communication terminal A and B carry out QoS optimization according to the optimization aim after determining.
Concrete, the communication end point after being confirmed, directly implements medium surface switching at runtime according to the switching target (such as, code/decode type) appointed.
After being switched to new code/decode type, the subject encoder that schedulable is new carries out subsequent media data encoding operation, and changes the code/decode type mark etc. in the PT field in RTP data packet head, and specific implementation is prior art.
By describing above and can finding out, in the technical scheme that the embodiment of the present invention provides, the QoS optimisation strategy of carrying out between communication end point based on signaling plane is consulted, and preserves the optimisation strategy consulting to determine respectively; When communication end point according to optimisation strategy monitor media data transmission meet corresponding trigger condition time, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface, for real time communication user provide end to end QoS ensure.
Based on the technical conceive identical with said method flow process, in the embodiment of the present invention, additionally provide a kind of communication end point, above-mentioned flow process can be applied to.
As shown in Figure 4, be the structural representation of a kind of communication end point that the embodiment of the present invention provides, can comprise:
Policy conferring module 41, consults for the service quality QoS optimisation strategy of carrying out between communication end point based on signaling plane;
Memory module 42, for preserving the QoS optimisation strategy after negotiation; Wherein, described QoS optimisation strategy comprises the trigger condition of at least two optimization aim and correspondence;
Monitoring modular 43, for carrying out Real-Time Monitoring according to the QoS optimisation strategy stored in described memory module 42 to media data transmission;
Optimize module 44, when described monitoring modular 43 monitor described media data transmission meet one or more trigger condition time, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface.
Wherein, described policy conferring module 41 can specifically comprise:
First sends submodule, in signaling plane connection establishment process, sends the signaling plane connection request carrying the QoS optimisation strategy of self to Correspondent Node equipment;
First receives submodule, for the signaling plane connection request carrying QoS optimisation strategy that received communication opposite end sends; The signaling plane connection response message of the QoS optimisation strategy after negotiation that what received communication opposite end returned carry;
First process submodule, for when described reception submodule receives the signaling plane connection request carrying QoS optimisation strategy, merge and conflict resolution processing logic according to local QoS optimisation strategy, the QoS optimisation strategy received and default strategy, determine the QoS optimisation strategy after consulting, and by described transmission submodule, the QoS optimisation strategy after described negotiation is sent to Correspondent Node.
Wherein, described policy conferring module 41 can also specifically comprise:
Second sends submodule, for after signaling plane connection establishment completes, utilizes signaling plane to connect and sends the QoS optimisation strategy negotiation request message of carrying the QoS optimisation strategy of self to Correspondent Node;
Second receives submodule, for the QoS optimisation strategy negotiation request message of carrying QoS optimisation strategy that received communication opposite end sends; Receive described Correspondent Node utilize signaling plane to connect the negotiation returned after QoS optimisation strategy;
Second process submodule, after the QoS optimisation strategy sent for receiving Correspondent Node when described reception submodule consults request, merge and conflict resolution processing logic according to local QoS optimisation strategy, the QoS optimisation strategy received and default strategy, determine the QoS optimisation strategy after consulting, and by described transmission submodule, the QoS optimisation strategy after described negotiation is returned to described communication end point by signaling plane connection.
Wherein, described trigger condition comprises the threshold value of messaging parameter and correspondence;
Correspondingly, described monitoring modular 43 specifically for, according to the QoS optimisation strategy after described negotiation, the respective communication parameter in media data transmission process is monitored, and whether media data transmission meets trigger condition according to threshold decision corresponding to described messaging parameter.
Wherein, described optimization module 44 can specifically comprise:
3rd sends submodule, sends QoS optimization request message for utilizing the media channel of current sessions to Correspondent Node;
3rd receives submodule, for the QoS optimization request message that received communication opposite end sends; The QoS of optimization aim that what received communication opposite end returned carry optimizes acknowledge message;
3rd process submodule, for receive when described reception submodule Correspondent Node send QoS optimization request message after, determine whether to agree to this optimization request according to the QoS optimisation strategy that the QoS optimization request message received and described memory module store, and agree to time, by described transmission submodule to described Correspondent Node return carry optimization aim QoS optimize acknowledge message;
Optimize submodule, the QoS for receiving according to described reception submodule optimizes the optimization aim of carrying in acknowledge message and carries out QoS optimization; Or carry out QoS optimization according to the optimization aim that described process submodule is determined.
Wherein, the precedence information of corresponding optimization aim is also comprised in described QoS optimisation strategy;
Described optimization module specifically for, when described monitoring module monitors meets multiple trigger condition to described media data transmission, the optimization aim the highest according to the optimization aim medium priority that described trigger condition is corresponding carries out optimizing based on the QoS of medium surface.
Wherein, described QoS optimisation strategy is the QoS optimisation strategy corresponding to current sessions;
This communication end point also comprises:
Removing module, at the end of the current sessions, delete store in described memory module to should the QoS optimisation strategy of session.
Through the above description of the embodiments, those skilled in the art can be well understood to the mode that the present invention can add required general hardware platform by software and realize, and can certainly pass through hardware, but in a lot of situation, the former is better execution mode.Based on such understanding, technical scheme of the present invention can embody with the form of software product the part that prior art contributes in essence in other words, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform method described in each embodiment of the present invention.
It will be appreciated by those skilled in the art that accompanying drawing is the schematic diagram of a preferred embodiment, the module in accompanying drawing or flow process might not be that enforcement the present invention is necessary.
It will be appreciated by those skilled in the art that the module in the device in embodiment can be distributed in the device of embodiment according to embodiment description, also can carry out respective change and be arranged in the one or more devices being different from the present embodiment.The module of above-described embodiment can merge into a module, also can split into multiple submodule further.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
Be only several specific embodiment of the present invention above, but the present invention is not limited thereto, the changes that any person skilled in the art can think of all should fall into protection scope of the present invention.
Claims (10)
1. a service quality QoS optimization method, is characterized in that, comprising:
Carry out the negotiation of the QoS optimisation strategy based on signaling plane between communication end point, and preserve the QoS optimisation strategy after consulting respectively; Wherein, described QoS optimisation strategy comprises the trigger condition of at least two optimization aim and correspondence;
Described communication end point carries out Real-Time Monitoring according to the QoS optimisation strategy after described negotiation to media data transmission, and when monitoring described media data transmission and meeting one or more trigger condition, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface;
Described communication end point comprises communication local terminal and Correspondent Node;
The QoS optimisation strategy of carrying out between described communication end point based on signaling plane is consulted, and is specially:
In signaling plane connection establishment process, communication local terminal sends the request of signaling plane connection establishment to Correspondent Node, wherein carries the QoS optimisation strategy of self;
The signaling plane connection response message of the QoS optimisation strategy after negotiation that what described communication local terminal received that described Correspondent Node returns carry; Wherein, described Correspondent Node merges and conflict resolution processing logic according to local QoS optimisation strategy, the QoS optimisation strategy received and default strategy, determine the QoS optimisation strategy after consulting, and the QoS optimisation strategy after described negotiation is returned to described communication local terminal; Or,
After signaling plane connection establishment completes, communication local terminal utilizes signaling plane to connect and sends QoS optimisation strategy negotiation request message to Correspondent Node, wherein carries the QoS optimisation strategy of self;
Described communication local terminal receive described Correspondent Node utilize signaling plane to connect the negotiation returned after QoS optimisation strategy; Wherein, after described Correspondent Node receives described QoS optimisation strategy negotiation request, merge and conflict resolution processing logic according to local QoS optimisation strategy, the QoS optimisation strategy received and default strategy, determine the QoS optimisation strategy after consulting, and the QoS optimisation strategy after described negotiation is returned to described communication local terminal by signaling plane connection.
2. the method for claim 1, is characterized in that, described trigger condition comprises the threshold value of messaging parameter and correspondence;
Described communication end point carries out Real-Time Monitoring according to the QoS optimisation strategy after described negotiation to media data transmission, is specially:
Described communication end point is monitored the respective communication parameter in media data transmission process according to the QoS optimisation strategy after described negotiation, and whether media data transmission meets trigger condition according to threshold decision corresponding to described messaging parameter.
3. the method for claim 1, is characterized in that, described communication end point comprises communication local terminal and Correspondent Node;
The optimization aim that described communication end point is corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface, is specially:
Communication local terminal utilizes the media channel of current sessions to send QoS optimization request message to Correspondent Node;
Described communication local terminal receives the QoS optimization acknowledge message of carrying optimization aim that described Correspondent Node returns, and carries out QoS optimization according to this optimization aim; Wherein, after described Correspondent Node receives described QoS optimization request message, according to the QoS optimization request message received and self store QoS optimisation strategy determine to agree to this QoS optimization request time, return to described communication local terminal and carry optimization aim QoS optimization acknowledge message, and carry out corresponding QoS optimization according to this optimization aim.
4. the method as described in any one of claim 1-3, is characterized in that, also comprises the precedence information of corresponding optimization aim in described QoS optimisation strategy;
When monitoring described media data transmission and meeting multiple trigger condition, the optimization aim the highest according to the optimization aim medium priority that described trigger condition is corresponding carries out optimizing based on the QoS of medium surface.
5. the method as described in any one of claim 1-3, is characterized in that, described QoS optimisation strategy is the QoS optimisation strategy corresponding to current sessions;
Described method also comprises:
After current sessions terminates, delete self store to should the QoS optimisation strategy of session.
6. a communication end point, is characterized in that, comprising:
Policy conferring module, consults for the service quality QoS optimisation strategy of carrying out between communication end point based on signaling plane;
Memory module, for preserving the QoS optimisation strategy after negotiation; Wherein, described QoS optimisation strategy comprises the trigger condition of at least two optimization aim and correspondence;
Monitoring modular, for carrying out Real-Time Monitoring according to the QoS optimisation strategy stored in described memory module to media data transmission;
Optimize module, when described monitoring module monitors meets one or more trigger condition to described media data transmission, the optimization aim corresponding according to this trigger condition carries out optimizing based on the QoS of medium surface;
Described policy conferring module specifically comprises:
First sends submodule, in signaling plane connection establishment process, sends the signaling plane connection request carrying the QoS optimisation strategy of self to Correspondent Node equipment;
First receives submodule, for the signaling plane connection request carrying QoS optimisation strategy that received communication opposite end sends; The signaling plane connection response message of the QoS optimisation strategy after negotiation that what received communication opposite end returned carry;
First process submodule, for when described reception submodule receives the signaling plane connection request carrying QoS optimisation strategy, merge and conflict resolution processing logic according to local QoS optimisation strategy, the QoS optimisation strategy received and default strategy, determine the QoS optimisation strategy after consulting, and by described transmission submodule, the QoS optimisation strategy after described negotiation is sent to Correspondent Node; Or,
Described policy conferring module specifically comprises:
Second sends submodule, for after signaling plane connection establishment completes, utilizes signaling plane to connect and sends the QoS optimisation strategy negotiation request message of carrying the QoS optimisation strategy of self to Correspondent Node;
Second receives submodule, for the QoS optimisation strategy negotiation request message of carrying QoS optimisation strategy that received communication opposite end sends; Receive described Correspondent Node utilize signaling plane to connect the negotiation returned after QoS optimisation strategy;
Second process submodule, after the QoS optimisation strategy sent for receiving Correspondent Node when described reception submodule consults request, merge and conflict resolution processing logic according to local QoS optimisation strategy, the QoS optimisation strategy received and default strategy, determine the QoS optimisation strategy after consulting, and by described transmission submodule, the QoS optimisation strategy after described negotiation is returned to described communication end point by signaling plane connection.
7. communication end point as claimed in claim 6, it is characterized in that, described trigger condition comprises the threshold value of messaging parameter and correspondence;
Described monitoring modular specifically for, according to the QoS optimisation strategy after described negotiation, the respective communication parameter in media data transmission process is monitored, and whether media data transmission meets trigger condition according to threshold decision corresponding to described messaging parameter.
8. communication end point as claimed in claim 6, it is characterized in that, described optimization module specifically comprises:
3rd sends submodule, sends QoS optimization request message for utilizing the media channel of current sessions to Correspondent Node;
3rd receives submodule, for the QoS optimization request message that received communication opposite end sends; The QoS of optimization aim that what received communication opposite end returned carry optimizes acknowledge message;
3rd process submodule, for receive when described reception submodule Correspondent Node send QoS optimization request message after, determine whether to agree to this optimization request according to the QoS optimisation strategy that the QoS optimization request message received and described memory module store, and agree to time, by described transmission submodule to described Correspondent Node return carry optimization aim QoS optimize acknowledge message;
Optimize submodule, the QoS for receiving according to described reception submodule optimizes the optimization aim of carrying in acknowledge message and carries out QoS optimization; Or carry out QoS optimization according to the optimization aim that described process submodule is determined.
9. the communication end point as described in any one of claim 6-8, is characterized in that, also comprises the precedence information of corresponding optimization aim in described QoS optimisation strategy;
Described optimization module specifically for, when described monitoring module monitors meets multiple trigger condition to described media data transmission, the optimization aim the highest according to the optimization aim medium priority that described trigger condition is corresponding carries out optimizing based on the QoS of medium surface.
10. the communication end point as described in any one of claim 6-8, is characterized in that, described QoS optimisation strategy is the QoS optimisation strategy corresponding to current sessions;
This communication end point also comprises:
Removing module, at the end of the current sessions, delete store in described memory module to should the QoS optimisation strategy of session.
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| CN105208672B (en) * | 2014-05-26 | 2019-02-22 | 北京信威通信技术股份有限公司 | A kind of channel information management method for the EPS network architecture |
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