CN101572719A - Policy decision-making functional entity, home gateway and method and system for controlling quality of service - Google Patents

Policy decision-making functional entity, home gateway and method and system for controlling quality of service Download PDF

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Publication number
CN101572719A
CN101572719A CNA2008100278280A CN200810027828A CN101572719A CN 101572719 A CN101572719 A CN 101572719A CN A2008100278280 A CNA2008100278280 A CN A2008100278280A CN 200810027828 A CN200810027828 A CN 200810027828A CN 101572719 A CN101572719 A CN 101572719A
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China
Prior art keywords
quality
service
home gateway
policy rule
service policy
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CNA2008100278280A
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CN101572719B (en
Inventor
吴钦
厉益舟
杨佩林
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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Priority to CN200810027828.0A priority Critical patent/CN101572719B/en
Priority to PCT/CN2009/071273 priority patent/WO2009132548A1/en
Publication of CN101572719A publication Critical patent/CN101572719A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance, administration or management of data switching networks, e.g. of packet switching networks
    • H04L41/50—Network service management, e.g. ensuring proper service fulfilment according to agreements
    • H04L41/5003—Managing SLA; Interaction between SLA and QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/61—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources taking into account QoS or priority requirements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/60—Scheduling or organising the servicing of application requests, e.g. requests for application data transmissions using the analysis and optimisation of the required network resources
    • H04L67/63—Routing a service request depending on the request content or context

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The embodiment of the invention discloses a policy decision-making functional entity, a home gateway and a method and a system for controlling the quality of service. The method for controlling the quality of service comprises the following steps: receiving a service request; authorizing the service request and making a policy decision for the service request so as to decide a policy rule of the quality of service corresponding to a service required by the service request; and sending the policy rule of the quality of service corresponding to the service request to a home gateway which distributes service quality resources to the service. The embodiment of the invention solves the problem of controlling the dynamic quality of service of a home network.

Description

Policy deciding functional entity, home gateway, method for controlling quality of service and system
Technical field
The embodiment of the invention relates to communication technical field, relates in particular to a kind of policy deciding functional entity, home gateway, method for controlling quality of service and system.
Background technology
Next generation network (NGN, Next Generation Network) is the network of business-driven, and the transmission key-course of NGN network provides the user to insert and service access respectively.The network attachment control system (its function comprises for NetworkAttachment Control System, NACS) concern user's access: the terminal access-in management, and user access administration, the Internet resources control interface is managed or the like with the control interface of service access.User access administration and terminal are irrelevant, are the logical names of contracted user's entity, need carry out authentication and charging, are the cores that the user inserts part.Resource acceptance control system (Resource Admission ControlSystem RACS) pays close attention to professional access, and its function comprises: the traffic identification management, and the service billing management, with the interface management that the user inserts, network equipment control interface management or the like.In fact NACS and RACS become real public access basis, support that not only (access that all IP use is also supported in IP Multimedia Subsystem, IMS) Ye Wu access to IP Multimedia System simultaneously.Behind the service-user access network, only be presence and the place location information of terminals of having registered this service-user, have only after it has allowed certain Network application software, just can demand be proposed to Internet resources, even we can say, do not have the particular network business, just do not have the broadband services user yet.Network is to insert at the user who uses business, rather than inserts at the service-user of specific transactions the inside.
At present in the NGN network, be used for integrating the home gateway that the multiple digital application equipment of family inserts and receive much attention, it is because user's business demand has obtained the favor of operator.The important business demand of mentioning in NGN RACF is exactly the mutual of control of requirement NGN network support resource and admission and home network.What the embodiment of the invention was mainly inquired into is that home gateway is to service quality (Quality of Service, control problem QoS).In the implementation procedure of home network QoS control, home gateway is a key link.Home gateway is broadband services and inter-household tie as the tie point of internal lan and external telecommunications network; Home gateway is forwarded to home network inside with the business of external network with the management request, also is provided to the connection of operation system for the home network internal unit; Home gateway also is connected to business platform as termination equipment, for the domestic consumer provides various broadband services.Along with going deep into of family network service, in home gateway, reasonably distribute required bandwidth for miscellaneous service, be a kind of embodiment that ensures each user terminal QoS in the home network.The QoS control of home gateway comprises service traffics identification and quality of service policy control two parts, and service traffics identification is meant in the service traffics type of the different terminals of home gateway identification household internal and is distinguished.It is the static port binding mode that many methods are taked in the identification of current operation flow, and shortcoming is not support dynamic port, is unfavorable for that the user uses.Another kind of alternative traffic identification scheme is the special service traffics identifier of design, by deep-packet detection (Deep Packet Inspection, DPI) automatically come the identification services flow by the analytical applications layer protocol, its shortcoming is to analyze each packet, therefore the performance to home gateway has higher requirement, and can't distinguish legal service traffics and illegal service traffics.Quality of service policy control is on the service traffics base of recognition, according to the priority of business, and different user's groups, different user rights is to the dynamic adjustment of the QoS resource (as bandwidth resources) of different business.
As shown in Figure 1, be a kind of home gateway service method for recognizing flux based on strategy that prior art provides, implementation step is as follows:
In step 1, home terminal is connected to Automatic Configuration Server, and (Automatic Configuration Server, ACS), the identifying information (for example IP address, terminal type, terminal iidentification etc.) with this terminal reports ACS simultaneously.
In step 2, ACS authenticates terminal;
In step 3, behind authentication success, ACS utilizes the identifying information of this terminal to inquire about the business information of this terminal to business application system (service server);
In step 4, this ACS utilizes the business information of this terminal that is obtained to strategic server (PolicyDecision Function, PDF) the professional matched strategy of acquisition request and this terminal;
In step 5, ACS will be installed to home gateway from this Terminal Service quality policy rule that comprises that PDF obtains;
In step 6, home gateway is realized identification and control to service traffics by the control method that comprises in the described quality of service policy rule.
In sum, home gateway is the core component of home network, and home networking can be provided, and QoS guarantees, safety management etc. lack a kind of mechanism flexibly but the subject matter of home gateway existence at present is the configuration of quality of service policy rule.Such as taking many methods now is static configuration home gateway quality of service policy rule, realize static port binding QoS resource, when certain service bandwidth of terminal correspondence in family's network can't guarantee or multiple business when having resource contention, home gateway can't be readjusted the bandwidth budget of miscellaneous service, even it is perhaps more than needed at certain business bandwidth resource, also can't discharge this part bandwidth and use for important business, cause the waste of home network bandwidth resources.In addition when certain terminal corresponding service takes place to upgrade or changes, home gateway can't be adjusted the corresponding professional QoS resource of terminal timely, such as the corresponding IPTV unicast service of home network user terminal bandwidth is 2M, when this user terminal unicast service changes to multicast service, its corresponding bandwidth demand is 4M, so home gateway also needs to upgrade to the multicast service bandwidth demand.
Find in inventor's research process that prior art has following shortcoming:
Home gateway service flux recognition system and method based on strategy that prior art provides only are fit to the static configuration of multiple business QoS resource in the home gateway (no matter whether the user has requested service, all reserve the QoS resource) for this business, service request such as IPTV clean culture/multicast service request for burst, under the situation of required QoS of survice inadequate resource, can't realize QoS dynamic allocation of resources and adjustment.
Summary of the invention
The embodiment of the invention provides a kind of strategic server, home gateway, method for controlling quality of service and system, can realize that the QoS of different business dynamically controls in the home network.
For solving the problem of the existence in the present technology, the embodiment of the invention provides a kind of method for controlling quality of service, comprising:
Obtain the quality of service policy rule from policy deciding functional entity;
When described quality of service policy rule is not converted into the quality of service policy rule of bearing bed in the home network, the quality of service policy rule of described acquisition is converted to the quality of service policy rule of bearing bed in the home network;
Implement the quality of service policy rule after the described conversion.
The invention process profit also provides a kind of method for controlling quality of service, comprising:
Receive service request;
Described service request is carried out authorization control and decision-making, with the professional corresponding quality of service policy rule that determines that described service request is asked;
Send and the corresponding quality of service policy rule of described service request to the home gateway that is described traffic assignments service quality resource.
Correspondingly, the embodiment of the invention also provides a kind of method for controlling quality of service, comprising:
Reception is from the quality of service policy rule request of home gateway or the transmission of home gateway dispensing unit;
Described quality of service policy rule request is authorized and made a strategic decision, to determine the professional corresponding quality of service policy rule of described home gateway control;
Send the quality of service policy rule of described decision to described home gateway.
The embodiment of the invention also provides a kind of home gateway, comprising:
The strategic decision-making unit is used for obtaining the quality of service policy rule from policy deciding functional entity, and the quality of service policy rule that will not get transformed into bearing bed in the home network changes into the quality of service policy rule of bearing bed in the home network;
The strategy execution unit is used to implement the quality of service policy rule after the described conversion.
The embodiment of the invention also provides a kind of policy deciding functional entity, comprising:
The strategic decision-making unit is used for service request is authorized and made a strategic decision, with the professional corresponding quality of service policy rule that determines that described service request is asked; Or the quality of service policy rule request that home gateway and home gateway dispensing unit send authorized and make a strategic decision, to determine the professional corresponding quality of service policy rule of described home gateway control;
The strategy transmitting element is used for the quality of service policy rule of described strategic decision-making unit decision is sent to home gateway.
Correspondingly, the embodiment of the invention also provides a kind of service quality control system, comprises policy deciding functional entity and home gateway, described policy deciding functional entity, service request is authorized and made a strategic decision, with the professional corresponding quality of service policy rule that determines that described service request is asked; Or the quality of service policy rule request that home gateway or home gateway dispensing unit send authorized and make a strategic decision, with the professional corresponding quality of service policy rule of decision home gateway control;
Described home gateway is used for obtaining the quality of service policy rule from policy deciding functional entity, and the quality of service policy rule that will not get transformed into bearing bed in the home network changes into the quality of service policy rule of implementing after the quality of service policy rule of bearing bed in the home network after the described conversion.
Implement the policy deciding functional entity that the embodiment of the invention provides, home gateway and method for controlling quality of service and system have following beneficial effect:
Policy deciding functional entity is authorized service request and is made a strategic decision, with the professional corresponding quality of service policy rule that determines that described service request is asked; Or the quality of service policy rule request that home gateway or home gateway dispensing unit send authorized and make a strategic decision, determine the professional corresponding quality of service policy rule of described home gateway control; And the quality of service policy rule of described decision is sent to home gateway implement, solved the dynamic control problem of QoS.
Description of drawings
Fig. 1 is the schematic flow sheet based on the home gateway service method for recognizing flux of strategy that prior art provides;
Fig. 2 is the structural representation of service quality control system first embodiment that provides of the embodiment of the invention;
Fig. 3 is the structural representation of service quality control system second embodiment that provides of the embodiment of the invention;
Fig. 4 is the structural representation of the policy deciding functional entity that provides of the embodiment of the invention;
Fig. 5 is the structural representation of the home gateway that provides of the embodiment of the invention;
Fig. 6 is the schematic flow sheet of method for controlling quality of service first embodiment that provides of the embodiment of the invention;
Fig. 7 is the schematic flow sheet of method for controlling quality of service second embodiment that provides of the embodiment of the invention;
Fig. 8 is the schematic flow sheet of method for controlling quality of service the 3rd embodiment that provides of the embodiment of the invention;
Fig. 9 is the schematic flow sheet of method for controlling quality of service the 4th embodiment that provides of the embodiment of the invention;
Figure 10 is the schematic flow sheet of method for controlling quality of service the 5th embodiment that provides of the embodiment of the invention;
Figure 11 is the schematic flow sheet of method for controlling quality of service the 6th embodiment that provides of the embodiment of the invention;
Figure 12 is the schematic flow sheet of method for controlling quality of service the 7th embodiment that provides of the embodiment of the invention;
Figure 13 is the schematic flow sheet of method for controlling quality of service the 8th embodiment that provides of the embodiment of the invention;
Figure 14 is the schematic flow sheet of method for controlling quality of service the 9th embodiment that provides of the embodiment of the invention;
Figure 15 is the schematic flow sheet of method for controlling quality of service the tenth embodiment that provides of the embodiment of the invention;
Figure 16 is the schematic flow sheet of method for controlling quality of service the 11 embodiment that provides for the embodiment of the invention;
Figure 17 is the schematic flow sheet of method for controlling quality of service the 12 embodiment that provides for the embodiment of the invention;
Figure 18 is the schematic flow sheet of method for controlling quality of service the 12 embodiment that provides for the embodiment of the invention;
Figure 19 is the schematic flow sheet that the home gateway that provides of the embodiment of the invention is handled service request;
Figure 20 is the schematic flow sheet that the digital subscriber line access and multiplexing device that provides of the embodiment of the invention is handled service request.
Embodiment
The embodiment of the invention is by providing a kind of policy deciding functional entity, home gateway, method for controlling quality of service and system, the QoS resource of dynamic-configuration user terminal, solve the resource optimization assignment problem of a plurality of service resources of unique user in the same home network or a plurality of user's different business, realize in the home network the QoS resource effectively and make full use of.
Need to prove that at first the policy deciding functional entity that the embodiment of the invention provides can realize with independent strategic decision-making unit, or realize, or be integrated in the access node and realize with the local policy decision package with central strategic decision-making unit.Described strategic decision-making unit can be realized with strategic server in specific implementation, also can realize with aaa server, and when realizing, be to be used for issuing the relevant policing rule that charges to switching equipment with aaa server.
Referring to Fig. 2, be the structural representation of service quality control system first embodiment that provides of the embodiment of the invention.
The service quality control system that the embodiment of the invention provides comprises:
Policy deciding functional entity 1 and home gateway 2, described policy deciding functional entity 1, under the triggering of service request, authorize and make a strategic decision, with the professional corresponding quality of service policy rule (qos policy rule) that determines that described service request asked, and send the quality of service policy rule of described decision to described home gateway 2;
After described home gateway 2 is received described quality of service policy rule, when described quality of service policy rule is not converted to the quality of service policy rule of bearing bed in the home network, also need described quality of service policy rule is changed into the quality of service policy rule of bearing bed in the home network, and implement the quality of service policy rule after the described conversion.
Described system also comprises:
Access device 3, the switching equipment that is Access Network to the service path of described home gateway, be specially the edge switching equipment (as BAS equipment, SBC equipment), convergence switch or digital subscriber line access multiplexing (DSLAM, Digital Subscriber Line Access Multiplexer) equipment is used to receive the quality of service policy rule that sends from policy deciding functional entity 1, and described quality of service policy rule is transmitted to home gateway 2.
Described system also comprises:
Location server 4, be used to manage described home gateway 2 and described access device 3, positional information, and described positional information offered described policy deciding functional entity 1, so that described policy deciding functional entity 1 sends described quality of service policy rule to described home gateway 2 or access device 3.
Particularly, under service request triggers, after at first determining the quality of service policy rule of the professional correspondence that described service request is asked by policy deciding functional entity 1, in location server 4, get access to the position of the home gateway 2 of the traffic assignments service quality resource of asking for described service request, directly issue described quality of service policy rule according to described positional information to home gateway 2, the mode that this policy deciding functional entity directly sends to the quality of service policy rule home gateway is called the centralized policy issuing mechanism;
Policy deciding functional entity 1 can also at first issue the quality of service policy rule to access device 3, transmits described quality of service policy rule by access device 3 to home gateway 1 then; This mode then is called the distributed strategy issuing mechanism.
The quality of service policy rule that home gateway 2 receives from policy deciding functional entity 1, when described quality of service policy rule is not converted to the quality of service policy rule of bearing bed in the home network, home gateway 2 is according to different types of service, user type, user's set type, after described quality of service policy rule being changed into the quality of service policy rule of bearing bed in the home network, home gateway 2 is implemented described service quality of service policy rule again.
As a kind of execution mode, also can implement described quality of service policy rule to the access device 3 that described home gateway 2 is transmitted described quality of service policy rule, the embodiment of the invention has realized the dynamic QoS control to home gateway 2, has also realized the dynamic QoS control to the access device 3 to family's gateway 2 paths.
When the failure of family's gateway 2 service implementation quality policies rule, when perhaps access device 3 service implementation quality policies rule is failed, home gateway 2 and access device 3 be acknowledgment strategy decision making function entity 1 respectively, inform service implementation quality policy rule failure, policy deciding functional entity 1 is determined to allow this business or refuse the business that this service request is asked according to quality of service policy rule execution result.When the quality of service policy rule is implemented successfully, then allow this business, otherwise refuse this business.
The system of dynamic quality of service control in the home network that the embodiment of the invention provides, need not the pre-configured quality of service policy rule of home gateway, but according to service request, authorize and make a strategic decision by policy deciding functional entity, carry out to be handed down to home gateway after the professional corresponding quality of service policy rule that determines described service request to be asked, solved dynamic QoS control problem.
Referring to Fig. 3, be the structural representation of service quality control system second embodiment that provides of the embodiment of the invention.
Described service quality control system comprises:
Policy deciding functional entity 1 and home gateway 2, described policy deciding functional entity 1, the quality of service policy rule request that described home gateway 2 is sent is authorized and is made a strategic decision, determining the professional corresponding quality of service policy rule of described home gateway 2 controls, and send the relevant quality of service policy rule of business of described home gateway 2 controls to described home gateway 2;
After described home gateway 2 is received described quality of service policy rule, when described quality of service policy rule not being converted to the quality of service policy rule of bearing bed in the home network, described quality of service policy rule is changed into the quality of service policy rule of bearing bed in the home network, and implement the quality of service policy rule after the described conversion.
Need to prove, described quality of service policy rule request can also be sent to policy deciding functional entity 1 by home gateway dispensing unit 5, home gateway dispensing unit 5 is functional units of NACS system in the NGN framework, be used for the configuration of home gateway fire compartment wall, in embodiments of the present invention, also can send a kind of means of quality of service policy rule as trigger policy decision making function entity 1 to home gateway 2.
Described home gateway 2 or home gateway dispensing unit 5 carry positional information and the home gateway sign and the terminal iidentification of home gateway 2 in the quality of service policy rule request that described policy deciding functional entity 1 sends.Need to prove, home gateway 2 can be managed a plurality of user terminals, each user terminal can be asked a plurality of dissimilar business, can obtain a plurality of dissimilar professional corresponding quality of service policy rules from policy deciding functional entity 1 by terminal iidentification, home gateway 2 can obtain the professional corresponding quality of service policy rule that all user terminals of home gateway 2 management are asked from policy deciding functional entity 1.
Policy deciding functional entity 1, under 5 requests of described home gateway 2 or home gateway dispensing unit trigger for the quality of service policy rule request of the business decision quality of service policy rule of these home gateway 2 controls, authorize and make a strategic decision, according to described home gateway sign, the home network at identification home gateway place, according to described positional information, send the quality of service policy rule of the business of described home gateway 2 controls to described home gateway 2 then.
Described policy deciding functional entity 1 can also be transmitted the quality of service policy rule to described home gateway by home gateway dispensing unit 5, described home gateway dispensing unit 5 is as a kind of local policy decision package, reception is transmitted to described home gateway 2 then from the quality of service policy rule of policy deciding functional entity 1.
Referring to Fig. 4, the structural representation of the policy deciding functional entity that provides for the embodiment of the invention.
The policy deciding functional entity that the embodiment of the invention provides comprises:
Strategic decision-making unit 11 is used for service request is authorized and made a strategic decision, with the professional corresponding quality of service policy rule that determines that described service request is asked; Described service request is initiated by user terminal, and is forwarded to policy deciding functional entity by application server or multicast control unit.Carry service identification in the described service request, be used for the identification services type; Described type of service comprises the unicast service request, multicast service request, and high speed Internet access business, speech business or the like.
Strategy transmitting element 12 is used for the quality of service policy rule of strategic decision-making unit 11 decisions is sent to home gateway.
Described quality of service policy rule comprises type of service, service identification, business bandwidth resource, service priority, service rate.
Described tactful transmitting element 12 is used for directly to home gateway, perhaps sends the quality of service policy rule via access device to described home gateway.
Receive because of the user terminal arrearage in described strategic decision-making unit 11 or the business initiated of normally rolling off the production line when withdrawing from request, described tactful transmitting element 12 also is used for sending to described home gateway the quality of service policy rule of releasing service quality resource.
Described policy deciding functional entity 1 also comprises:
Position acquiring unit 13 is used for obtaining from location server the positional information of described home gateway, by access device when home gateway is transmitted the quality of service policy rule, also need from location server, to obtain the positional information of access device;
The positional information that then described tactful transmitting element 12 gets access to according to described position acquiring unit 13, send described quality of service policy rule to described home gateway, or under the distributed strategy issuing mechanism, by send described quality of service policy rule to described access device, transmit described quality of service policy rule by described access device to home gateway again.
Described policy deciding functional entity 1 also comprises:
Reply receiving element 14, be used to receive the execution result of implementing described quality of service policy rule from home gateway or access device;
Service Processing Unit 15 is used for according to described execution result, allows or refuse the business that described service request is asked.Particularly, when the quality of service policy rule is implemented successfully, then allow this business, otherwise refuse this business.
Referring to Fig. 4, policy deciding functional entity second embodiment that the embodiment of the invention provides is described equally.
The policy deciding functional entity that the embodiment of the invention provides comprises:
Strategic decision-making unit 11, the quality of service policy rule request that home gateway is sent is authorized and is made a strategic decision, to determine the professional corresponding quality of service policy rule of described home gateway control; Described quality of service policy rule request can be sent by home gateway, also can be sent by the home gateway dispensing unit.Carry home gateway positional information, home gateway sign and terminal iidentification in the described quality of service policy rule request.
Strategy transmitting element 12 is used for the quality of service policy rule of described strategic decision-making unit 11 decisions is sent to home gateway.
When described quality of service policy rule request is when being sent by home gateway, the corresponding quality of service policy rule of all professional decisions that described strategic decision-making unit 11 is controlled for the home gateway of described initiating QoS policing rule request, described tactful transmitting element 12 sends described quality of service policy rule to home gateway.
When the quality of service policy rule request is when being sent by the home gateway dispensing unit, the corresponding quality of service policy rule of all professional decisions that described strategic decision-making unit 11 is controlled for the home gateway relevant with described home gateway dispensing unit, described tactful transmitting element 12 is transmitted to described home gateway with the quality of service policy rule of described strategic decision-making unit 11 decisions by described home gateway dispensing unit.
When the business because of the user terminal arrearage or the initiation of normally rolling off the production line withdrawed from request, described tactful transmitting element 12 also was used for sending to described home gateway the quality of service policy rule of releasing service quality resource.
Described policy deciding functional entity 1 also comprises:
Position acquiring unit 13 is used for the positional information of the home gateway that carries according to described quality of service policy rule request, the position that obtains described home gateway.
Reply receiving element 14, be used to receive the execution result of implementing described quality of service policy rule from described home gateway;
Service Processing Unit 15 is used for according to described execution result, the business that allows or refuse to be controlled by described home gateway.
Referring to Fig. 5, be the structural representation of the home gateway that provides of the embodiment of the invention.
The home gateway that the embodiment of the invention provides comprises:
Strategic decision-making unit 21, be used for obtaining the quality of service policy rule from policy deciding functional entity, and will not get transformed into the quality of service policy rule that the quality of service policy rule of bearing bed in the home network changes into bearing bed in the home network, and the notification strategy performance element is carried out described quality of service policy rule;
Described strategic decision-making unit 21 also is used to check or the validity and the legitimacy of service for checking credentials quality policy rule, and to policy deciding functional entity report QoS resource operating position, when appearance is unusual, for example the QoS resource is insufficient, policing rule is illegal or when lacking certain professional corresponding strategy rule, to policy deciding functional entity report abnormal conditions.This strategic decision-making unit is a kind of local policy decision package, and this strategic decision-making unit can be used for the quality of service policy rule from strategic server is changed into the corresponding quality of service policy rule of home network bearing bed.
Strategy execution unit 22 is used to carry out the quality of service policy rule that described strategic decision-making unit 21 sends.
Need to prove that described strategic decision-making unit 21 notifies described strategy execution unit 22 to discharge relevant service quality resource after receiving the quality of service policy rule of the releasing service quality resource that described policy deciding functional entity sends; 22 of described strategy execution unit discharge relevant service quality resource.
Described home gateway also comprises:
Strategy request unit 20 is used for sending the quality of service policy rule request to described policy deciding functional entity; Carry home gateway positional information, home gateway sign and terminal iidentification in the described quality of service policy rule request.
Strategy response unit 23 is used for sending the result that the quality of service policy rule is carried out in strategy execution unit 22 to policy deciding functional entity.
Dynamic QoS control is divided into following three kinds of modes according to the service request type in the home network that the embodiment of the invention provides:
1, unicast service dynamic QoS control;
Be meant that mainly unicast service request trigger policy decision making function entity sends the quality of service policy rule to home gateway, trigger policy decision making function entity is to the edge switch to family gateway service path, convergence switch, access devices such as DSLAM switch send the quality of service policy rule.
2, multicast service dynamic QoS control;
Be meant that mainly multicast service request trigger policy decision making function entity sends the quality of service policy rule to the strategic decision-making unit of home gateway, trigger policy decision making function entity is to the edge switch to family gateway service path, convergence switch, access devices such as DSLAM switch send the quality of service policy rule.
3, other professional dynamic QoS control;
Other professional IPTV other business in addition that mainly refer to can comprise the high speed Internet access business, speech business etc., and for these business, policy deciding functional entity sends the quality of service policy rule of described business to home gateway.
Referring to Fig. 6, the schematic flow sheet of method for controlling quality of service first embodiment that provides for the embodiment of the invention.
The method for controlling quality of service that the embodiment of the invention provides comprises:
Step 100 receives service request;
Step 101 is authorized and is made a strategic decision described service request, with the professional corresponding quality of service policy rule that determines that described service request is asked;
Step 102 is to send the described decision quality of service policy rule corresponding with described business for the home gateway of described traffic assignments service quality resource;
Step 103, home gateway obtains the quality of service policy rule from policy deciding functional entity, when described quality of service policy rule is not converted to the quality of service policy rule of bearing bed in the home network, described quality of service policy rule is changed into the quality of service policy rule of bearing bed in the home network;
Step 104, home gateway are implemented described quality of service policy rule;
Step 105, home gateway feeds back to policy deciding functional entity with the execution result of service implementation quality policy rule.
Referring to Fig. 7, the schematic flow sheet of method for controlling quality of service second embodiment that provides for the embodiment of the invention.
The method for controlling quality of service that the embodiment of the invention provides comprises:
Step 200 receives the quality of service policy rule request from home gateway or the transmission of home gateway dispensing unit; Carry home gateway positional information and home gateway sign in the described quality of service policy rule request;
Step 201 is authorized and is made a strategic decision described quality of service policy rule request, with the professional corresponding quality of service policy rule of the home gateway control that determines described home gateway or described home gateway dispensing unit correspondence, execution in step 202.If not, finish.
Step 202 directly sends the quality of service policy rule to described home gateway or by described home gateway dispensing unit to home gateway;
Step 203, home gateway obtains the quality of service policy rule from policy deciding functional entity, when described quality of service policy rule is not converted to the quality of service policy rule of bearing bed in the home network, described quality of service policy rule is changed into the quality of service policy rule of bearing bed in the home network;
Step 204, home gateway are implemented described quality of service policy rule.
Step 205, the execution result that home gateway will be implemented described quality of service policy rule feeds back to policy deciding functional entity.
Referring to Fig. 8, the schematic flow sheet of method for controlling quality of service the 3rd embodiment that provides for the embodiment of the invention.
Example of the present invention provides method for controlling quality of service under a kind of unicast service request.In this embodiment, home network (CPN, Customer Premises Network) forms by a plurality of user terminals and one family gateway, home gateway is made up of two unit, the one, the strategic decision-making unit of home gateway, be used for receiving from policy deciding functional entity quality of service policy rule, when described quality of service policy rule does not get transformed into the quality of service policy rule of bearing bed in the home network, also described quality of service policy rule is changed into the quality of service policy rule of bearing bed in the home network.Another unit is the strategy execution unit of home gateway, is responsible for the message classification on the data surface, mark, shaping, queue scheduling, and congested control.Home gateway and a plurality of user terminal are interconnected, are responsible for each user terminal different business, and control of the dynamic QoS of unique user terminal different business and management.
Before the terminal to acquire service data, the QoS resource that each user terminal obtained is zero.When user terminal sends the unicast service request, in case should be employed server from the service request of user terminal accepts, application server with trigger policy decision making function entity (in an embodiment with strategic server realize) to described service request mandate and decision-making, with the professional corresponding quality of service policy rule that determines that described service request is asked, interface between the strategic decision-making unit of described strategic server utilization and home gateway issues the quality of service policy rule of the business that described service request asks to home gateway.Described quality of service policy rule can comprise type of service, service identification, business bandwidth resource, service priority, service rate etc.Issuing of described quality of service policy rule is divided into two kinds of patterns, and a kind of is the centralized policy issuing mechanism, another kind of formula distributed strategy issuing mechanism.
It is by the requirement of strategic server according to the QoS of business that centralized policy issues, directly issue the quality of service policy rule of the business that described service request asks to home gateway, as a kind of execution mode, strategic server can also issue corresponding quality of service policy rule to access device.
And the distributed strategy issuing mechanism is the quality of service policy rule that is issued the business that described service request asks by strategic server by some access devices to home gateway, wherein access device (for example access switch equipment) is as a kind of local policy decision package, be responsible for receiving strategy from strategic server, dispose corresponding local service quality policing rule, switch device or home gateway are transmitted local quality of service policy rule downstream simultaneously.In the distributed strategy issuing mechanism, access device (for example DSLAM equipment) can be according to VLAN tag recognition family and user.When under the DSLAM during user's requested service, described strategic server can will belong to all QoS of customer strategy rule downloadings of same DSLAM switching equipment to DSLAM.This distributed strategy issuing mechanism also can be applied to the QoS control of core net, issues corresponding quality of service policy rule as strategic server by the switch device of borde gateway (BGF) in core net.Borde gateway receives the policing rule from strategic server as a kind of local policy decision package, and notice local policy performance element implementation strategy rule is simultaneously to the policing rule of core network switches device forwards from strategic server.Following Fig. 8 provides centralized service policy distribution schematic diagram, and concrete steps are as follows:
Step 300, user terminal can be carried service identification information and professional qos parameter to the request of application server unicast traffic in this request.
Step 301, application server are initiated authorization requests according to service identification information to strategic server.
Step 302, strategic server is authorized described service request and is made a strategic decision, after the quality of service policy rule that determines the professional correspondence that described service request is asked, be retrieved as the positional information of the home gateway of the unicast service distribution services quality resource that described unicast service request asked to location management function unit (LMF, Location Management Function) (being equivalent to location server).
Step 303, according to the positional information of described home gateway, strategic server sends quality of service policy rule (qos policy rule) to the strategic decision-making unit of the home gateway of user place network (HPDF, Home Policy Decision Function).
In step 304, strategic decision-making unit notification strategy performance element is carried out the quality of service policy rule.
In step 305, the strategy execution unit of home gateway returns the execution result of quality of service policy rule to the strategic decision-making unit, i.e. policing rule installation/unloading answer message, this message comprise the result of quality of service policy rule installation/unloading, can be success, also can fail.
In step 306, the strategic decision-making unit of home gateway returns described execution result to described strategic server;
In step 307, strategic server is to application server return authorization request answer message.
In step 308, application server returns unicast service request answer message, and when authorizing successfully, then application server allows this business, otherwise refuses this business.
In step 309, home gateway regularly uses information to strategic server report service resources.
In the dynamic QoS centralized control of unicast service, strategic server PDF not only needs to issue respective service quality policy rule for the home gateway in the Access Network, also need to be the access device on family's gateway path in the Access Network, edge switching equipment for example, converge switching equipment and DSLAM equipment and issue corresponding quality of service policy rule, position about home gateway, and the position of described access device, can obtain by the inquiring position administrative unit, location management unit is a location management unit among the network attachment control system NACS in the NGN framework, and the topology diagram of terminal at access network can be preserved in this unit when the user inserts.Simultaneously when user terminal withdraws from business, also can be by withdrawing from request to strategic server transmission business, strategic server then sends the quality of service policy rule of releasing service quality resource to home gateway, and sending the quality of service policy rule of described releasing service quality resource to described access device, strategic server is mainly finished by the strategic decision-making unit interface between home gateway and the strategic server the policy distribution of home gateway.
Referring to Fig. 9, the schematic flow sheet of method for controlling quality of service the 4th embodiment that provides for the embodiment of the invention.
In embodiments of the present invention, provide the flow process of the method for controlling quality of service under the distributed strategy issuing mechanism, in this Distributed Application scene, the function of policy deciding functional entity realizes by the central strategic decision-making unit of local policy decision package in the access device and strategic server respectively, local policy decision package in the access device is responsible for all resource of household gateway admittance controls of subordinate, initiatively issues the quality of service policy rule simultaneously and gives home gateway from the quality of service policy rule of strategic server for home gateway or forwarding.
In addition, local policy decision package in the access device can be deployed in the whole network in all devices, be used to receive strategy from strategic server or other local policy decision packages, the policing rule that can also be used for coming from strategic server is converted into the quality of service policy rule of bearing bed in the home network, and corresponding quality of service policy rule forwards after will transforming.And the resource and admission control to edge switch device and DSLAM is responsible in the central strategic decision-making unit that is arranged in strategic server, and edge switch equipment can be implemented to converge to service quality resource.Described access device is to insert two-layer switching equipment (as DSLAM) in specific implementation, and concrete steps are as follows:
Step 400, user terminal can be carried QoS of survice demand and user service identification information to the request of application server unicast traffic in this request;
Step 401, application server are initiated the service authorization request according to user service identification information to strategic server;
Step 402, strategic server is authorized described unicast service request and is made a strategic decision, to determine the quality of service policy rule of the unicast service correspondence that described unicast service request is asked, obtain home gateway positional information and access device positional information from location management unit (location server) then;
Step 403, strategic server issues the quality of service policy rule to access device.The quality of service policy rule here can be that a part is used for disposing access device, and another part is used for configuring home gateway.Described strategic server can once all be handed down to access device with belonging to all customer service quality of service policy rules of same access device.
Step 404, the strategic decision-making unit of access device in the home gateway of user place network sends the quality of service policy rule, optionally, access device also will change into the quality of service policy rule of bearing bed from the quality of service policy rule of strategic server, then to the quality of service policy rule of home gateway forwarding from policy deciding functional entity.When strategic server will belong to that all quality of services for users policing rules of same access device are disposable all to be handed down to access device, access device also can be given corresponding home gateway with the quality of service policy rule downloading of different home gateway.
Step 405, when the policing rule from strategic server is not converted into the quality of service policy rule of bearing bed, the strategic decision-making unit of home gateway is converted into the quality of service policy rule of bearing bed with corresponding quality of service policy rule, and the quality of service policy rule is carried out in family's strategic decision-making unit notice family strategy execution unit then.
Step 406, the strategy execution unit of home gateway returns quality of service policy rule execution result to the strategic decision-making unit, comprises the result of quality of service policy rule installation/unloading in this execution result, can be success, also can fail.
Step 407, the strategic decision-making unit of home gateway returns quality of service policy rule execution result to the local policy decision package of access device;
Step 408, access device returns quality of service policy rule execution result to the central strategic decision-making unit of strategic server;
Step 409, strategic server is to application server return authorization request answer message.
Step 410, application server are returned unicast service request answer message, when implementing the regular success of described quality of service policy, and the business that application server allows this unicast service request to be asked, otherwise the business that the request of refusal unicast service is asked.
Step 411, home gateway uses information to strategic server report service resources.
In the distributed control of the dynamic QoS of unicast service, strategic server at first issues corresponding quality of service policy rule to access device, and then be that home gateway in the Access Network issues respective service quality policy rule by access device, position about home gateway, and the position of the access device on family's gateway path, can obtain by the inquiring position administrative unit, location management unit is a location management unit among the network attachment control system NACS in the NGN framework, and the topology diagram of terminal at access network can be preserved in this unit when the user inserts.Simultaneously when user terminal withdraws from business, also can be by withdrawing from request to strategic server transmission business, the trigger policy server is released to the quality of service policy rule of home gateway decision, and the quality of service policy rule that determines for access device.Strategic server mainly is to finish by the local policy decision package that is arranged in access device indirectly to the policy distribution of home gateway, promptly issues quality of service policy rule from strategic server by the local policy decision package of access device to the strategic decision-making unit of home gateway.Compare with the centralized service policy distribution, the distributed service policy distribution helps alleviating the burden of strategic server, realizes load balancing.
Referring to Figure 10, be the schematic flow sheet of method for controlling quality of service the 5th embodiment that provides of the embodiment of the invention.
The embodiment of the invention provides the method for controlling quality of service under a kind of multicast service request.
In this embodiment, home network CPN is made up of a plurality of user terminals and one family gateway, the quality of service policy controlled function of home gateway is made up of two unit, the one, the strategic decision-making unit of home gateway, be responsible for receiving the quality of service policy rule from the policy service functional entity, the notification strategy performance element is carried out the quality of service policy rule.Another unit is the strategy execution unit of home gateway, is responsible for carrying out corresponding quality of service policy rule, and the message classification on the data surface, mark, shaping, queue scheduling, and congested control.Home gateway and a plurality of user terminal are interconnected, are responsible for each user terminal different business, and control of the service quality of unique user terminal different business and management.Before the terminal to acquire service data, the service quality resource that each user terminal obtained is zero.The multicast control unit is accepted multicast service request, judges according to user's purchase order information multicast authority table whether the user has the authority of watching multicast packet.The multicast control unit can be positioned on the DSLAM switching equipment, also can be positioned on edge device such as the BRAS switch.Location management unit is a location management unit among the network attachment control system NACS in the NGN framework, and the topology diagram of terminal at access network can be preserved in this unit when the user inserts.In case the service request from user terminal is accepted by the multicast control unit, the multicast control unit is asked trigger policy decision making function entity (realizing with strategic server in this enforcement) for described service request business decision quality of service policy rule, strategic server utilizes the interface between the strategic decision-making unit with home gateway, sends and the quality of service policy rule of the business that described service request is asked to home gateway.Implementation step is as follows:
Step 500, user terminal sends multicast service request to the multicast control unit, and this request can be that business joins request, and also can be that business withdraws from request.
Step 501, the multicast control unit sends the service authorization request to strategic server
Step 502, strategic server is authorized described multicast service request and is made a strategic decision, to determine the quality of service policy rule of the multicast service correspondence that described multicast service request is asked, strategic server obtains the home gateway positional information to location management unit then.
Step 503, strategic server by and access device in interface between the tactful decision package, (as DSLAM) issues the quality of service policy rule to access device.
Step 504, strategic server sends the quality of service policy rule to the home gateway of the traffic assignments service quality resource of asking for described multicast service request of user place network.
Step 505, the performance element of the strategic decision-making unit notice home gateway of home gateway is carried out the quality of service policy rule.
Step 506, the strategy execution unit of home gateway returns the execution result of quality of service policy rule to the strategic decision-making unit of home gateway, i.e. quality of service policy rule installation/unloading answer message.
Step 507, the strategic decision-making unit of home gateway returns quality of service policy rule execution result to strategic server, i.e. quality of service policy rule installation/unloading answer message.
Step 508, strategic server sends the service authorization answer message to the multicast control unit.
Step 509, the multicast control unit sends the multicast service request answer message to user terminal.
In the dynamic QoS centralized control of multicast service, strategic server PDF not only needs to issue respective service quality policy rule for the home gateway in the Access Network, also need to be the access device on family's gateway path in the Access Network, for example converge switching equipment and DSLAM equipment and issue corresponding quality of service policy rule, position about home gateway, and the access device on family's gateway path, for example converge switching equipment, DSLAM equipment can obtain by the inquiring position administrative unit.Simultaneously when user terminal withdraws from business, also can be by withdrawing from request to strategic server transmission business, come the trigger policy server to send the quality of service policy rule of releasing service quality resource to home gateway, and in the Access Network on family's gateway path converge switching equipment and DSLAM equipment issues corresponding quality of service policy rule.Strategic server is mainly finished by the strategic decision-making unit interface between home gateway and the strategic server the policy distribution of home gateway.
Below further provide under several deployment scenario the method for multicast service dynamic QoS control.
Referring to Figure 11, the schematic flow sheet of method for controlling quality of service the 6th embodiment that provides for the embodiment of the invention.
In embodiments of the present invention, first kind of deployment scenario of the method for multicast business service quality control is provided, in this scene, multicast service control point and multicast service copy-point are positioned at access device (multicast control unit as shown in the figure), and for example two layers are inserted on the switching equipment.Access device is also supported local resource control and management function simultaneously, and with the local resource management unit realization of access device, and strategic server is supported to realize centralized resource control and management function with central resource management unit.When user terminal sends multicast service request, this request is is at first intercepted and captured by the multicast control unit of position access device, and, multicast service request is transmitted to strategic server by the interface between the central resource management unit between access device and the strategic server.Its idiographic flow is as follows:
Step 600, user terminal sends multicast service request to the multicast control unit that is positioned at access device, and this request can be that business joins request, and also can be that business withdraws from request.
Step 601, the multicast control unit that is positioned at access device is transmitted described multicast service request to local resource management unit.
Step 602, the interface of the central resource management unit in the local resource management unit of access device is utilized between access device and the strategic server, forwarding multicasting service request.
Step 603, the strategic decision-making unit of strategic server receives the central resource management unit (C-RMF in the strategic server, Concentrated Resource Management Function) the service authorization request of Fa Songing, described multicast service request is authorized and made a strategic decision, with the quality of service policy rule (qos policy rule) that determines the multicast service correspondence that described multicast service request is asked.The central resource management unit here also can be separated individualism from strategic server.
Step 604, strategic server are obtained the positional information of home gateway to location management unit.
Step 605, strategic server issues the quality of service policy rule to the home gateway of the traffic assignments service quality resource of asking for described multicast service request of user place network.
Step 606, described quality of service policy rule is carried out in the strategy execution unit of the strategic decision-making unit notice home gateway of home gateway.
Step 607, the strategy execution unit of home gateway returns the execution result of quality of service policy rule to its strategic decision-making unit, i.e. quality of service policy rule installation/unloading answer message.
Step 608, the strategic decision-making unit of home gateway returns the execution result of quality of service policy rule to strategic server, i.e. quality of service policy rule installation/unloading answer message.
Step 609, strategic server sends authorization response message to multicast service request to the central resource management unit of strategic server.
Step 610, the central resource management unit that is arranged in strategic server sends the answer message of multicast service request to the local resource management unit that is positioned at access device.
Step 611 is positioned at the answer message of the local resource management unit of access device to multicast control unit forwarding multicasting service request.
Step 612, the multicast control unit that is positioned at access device sends the answer message of multicast service request to user terminal.
Referring to Figure 12, the schematic flow sheet of method for controlling quality of service the 7th embodiment that provides for the embodiment of the invention.
In embodiments of the present invention, second kind of deployment scenario of the method for multicast business service quality control is provided, under second scenario, identical with first scene is that multicast control point and multicast replication point are to be deployed in access device (for example DSLAM) position equally, different is not support resource management function of access device (DSLAM), but support the local policy decision making function, realize with the local policy decision package.And strategic server is supported central strategy decisive function, realizes with central strategic decision-making unit in the embodiment of the invention, and its policing rule of managing access devices all in its territory, place sends.When user terminal sends multicast service request, this request at first is positioned at the multicast control unit of access device and intercepts and captures, by the interface between the strategic decision-making unit between the central strategic decision-making unit of access device and strategic server, multicast service request is transmitted to the central strategic decision-making unit of strategic server then.Its idiographic flow is as follows:
Step 700, user terminal sends multicast service request to the multicast control unit, and this request can be that business joins request, and also can be that business withdraws from request.
Step 701, the multicast control unit that is arranged in access device is transmitted described multicast service request to the local policy decision package that is positioned at access device.
Step 702, the local policy decision package in the access device sends the service authorization request to strategic server.
Step 703, strategic server is authorized described multicast service request and is made a strategic decision, after the quality of service policy rule (qos policy rule) that determines the multicast service correspondence that described multicast service request is asked, obtain the positional information of home gateway and the positional information of access device to location management unit.
Step 704, strategic server be according to business request information, issues the quality of service policy rule to the access device (for example DSLAM equipment) of user place network.Here strategic server can once all be handed down to DSLAM equipment with belonging to all QoS of customer policing rules of same DSLAM equipment.
Step 705, the local policy decision making function sends the quality of service policy rule to the home gateway of user place network in the access device.Described quality of service policy rule can be that DSLAM initiatively sends to home gateway, also can be that the DSLAM forwarding is given home gateway from the policing rule of strategic server.When strategic server will belong to that all quality of services for users policing rules of same DSLAM equipment are disposable all to be handed down to the DSLAM switching equipment, the DSLAM switching equipment also can be given corresponding home gateway with the quality of service policy rule downloading of each home gateway.
Step 706, described quality of service policy rule is carried out in the strategy execution unit of the strategic decision-making unit notice home gateway of home gateway.
Step 707, the strategy execution unit of home gateway returns the execution result of quality of service policy rule to the strategic decision-making unit of home gateway, i.e. quality of service policy rule installation/unloading answer message.
Step 708, the strategic decision-making unit of home gateway returns the execution result of quality of service policy rule to the local policy decision package of access device, i.e. quality of service policy rule installation/unloading answer message.
Step 709, access device returns the execution result of quality of service policy rule to the central strategic decision-making unit of strategic server, i.e. quality of service policy rule installation/unloading answer message.
Step 710, strategic server sends the service authorization answer message to the local policy decision package.
Step 711, the local policy decision package that is arranged in access device sends the multicast service answer message to the multicast control unit.
Step 712, the multicast control unit that is arranged in access device sends the multicast service request answer message to user terminal.
Referring to Figure 13, the schematic flow sheet of method for controlling quality of service the 8th embodiment that provides for the embodiment of the invention.
In embodiments of the present invention, the third deployment scenario of the method for multicast business service quality control is provided, under the third scene, with the identical point of first scene be that multicast control point and multicast replication point are located at access device position (multicast control unit as shown in the figure), and different with first kind and second kind of scene be that access device not only comprises the local policy decision package, also comprise local resource management unit.Policy deciding functional entity (realizing with strategic server in embodiments of the present invention) is then supported centralized resource management function (realizing with central resource management unit) and strategy decisive function (with central strategic decision-making unit).When user terminal sends multicast service request, this request at first is positioned at the multicast control unit of access device and intercepts and captures, by the interface between the resource control unit between access device (as DSLAM equipment) and the strategic server, multicast service request is transmitted to the central strategic decision-making unit of strategic server then.Strategic server is authorized this multicast service request and is made a strategic decision, determine the professional corresponding quality of service policy rule that described multicast service request is asked, and at first the local policy decision package of all access device correspondences is issued the quality of service policy rule by strategic server, and then transmit the relevant quality of service policy rule of multicast service of asking to all home gateway of subordinate with described multicast service request by access device, its idiographic flow is as follows:
Step 800, user terminal sends multicast service request to the multicast control unit that is arranged in access device, and this request can be that business joins request, and also can be that business withdraws from request.
Step 801, the multicast control unit that is arranged in access device is to local resource control and management unit forwards service request.
Step 802, the rm-cell that is arranged in access device sends described multicast service request to the central resource management unit of strategic server.
Step 803, the central resource management unit that is arranged in strategic server sends the service authorization request to the central strategic decision-making unit of strategic server.
Step 804, the central strategic decision-making unit of strategic server is authorized described multicast service request and is made a strategic decision, determining the quality of service policy rule of the multicast service that described multicast service request is asked, strategic server is retrieved as the positional information of home gateway of the multicast service distribution services quality resource that described multicast service request asks and the positional information of access device to location management unit.
Step 805, strategic server issues the quality of service policy rule to the access device of user terminal place home network.Here strategic server can once all be handed down to described access device with all QoS of customer policing rules that belong to same access device.Here can finish by the interface between the local policy decision package in strategic server and the access device, also can by and access device in local resource management unit between interface finish.
Step 806, access device sends the quality of service policy rule to the home gateway of user place home network.Described quality of service policy rule can be that access device initiatively sends to home gateway, also can be that access device is transmitted from the regular home gateway of giving of the quality of service policy of strategic server.When strategic server will belong to that all quality of services for users policing rules of same access device are disposable all to be handed down to access device, access device also can be given corresponding home gateway with the quality of service policy rule downloading of different home gateway.The rm-cell of the local policy decision package this locality in access device in the access device sends initializing resource message simultaneously, issues the quality of service policy rule.
Step 807, described quality of service policy rule is implemented in the strategy execution unit of the strategic decision-making unit notice home gateway of home gateway.
Step 808, the strategy execution unit of home gateway sends quality of service policy rule execution result to its strategic decision-making unit, i.e. quality of service policy rule installation/unloading answer message;
Step 809, the strategic decision-making unit of home gateway sends quality of service policy rule execution result to being arranged in access device local policy decision package, i.e. quality of service policy rule installation/unloading answer message;
Meanwhile, the local resource management unit in the access device sends quality of service policy rule execution result to the local policy decision package of access device, i.e. quality of service policy rule installation/unloading answer message;
Step 810, the local policy decision package in the access device returns quality of service policy rule execution result to strategic server, i.e. quality of service policy rule installation/unloading answer message;
Step 811, the central strategic decision-making unit of strategic server sends the service authorization answer message to the central resource management unit of strategic server.
Step 812, the central resource management unit in the strategic server sends answer message to being arranged in the access device local resource management unit.
Step 813 is arranged in the access device local resource management unit and transmits professional answer message to the multicast control unit.
Step 814, the multicast control unit that is arranged in access device sends the multicast service request answer message to user terminal.
Referring to Figure 14, the schematic flow sheet of method for controlling quality of service the 9th embodiment that provides for the embodiment of the invention.
In embodiments of the present invention, the 4th kind of deployment scenario of the method for multicast business service quality control is provided, under the 4th kind of scene, with the identical point of the 3rd scene be that multicast control point and multicast replication point (multicast control unit as shown in the figure) are located at (for example DSLAM equipment) in the access device, and different with the third scene be for multicast service request, independently control by the local policy decision package in the access device, do not rely on policy deciding functional entity (embodiment of the invention realizes with strategic server, comprises central resource management unit and central strategic decision-making unit).This scene main purpose is in order to shorten the settling time of multicast service conversation.Its idiographic flow is as follows:
Step 900, user terminal sends multicast service request to the multicast control unit that is arranged in access device, and this request can be that business joins request, and also can be that business withdraws from request.
Step 901, the multicast control unit that is arranged in access device is transmitted this multicast service request to the local resource management unit of access device.
Step 902, the local resource management unit that is arranged in access device sends the service authorization request to the local policy decision package of access device.
Step 903, being arranged in access device local policy decision package authorizes described multicast service request and makes a strategic decision, determining the quality of service policy rule of the multicast service that described multicast service request is asked, and be retrieved as the positional information of the home gateway of described multicast service request distribution services quality resource to location management unit.
Step 904, access device are that the home gateway of described multicast service request distribution services quality resource sends the quality of service policy rule in the home network of user place.
Step 905, the strategy execution unit service implementation quality policy rule of the strategic decision-making unit notice home gateway of home gateway.
Step 906, the strategy execution unit of home gateway returns the execution result of service implementation quality policy rule to the strategic decision-making unit, i.e. quality of service policy rule installation/unloading answer message.
Step 907, the local policy decision package that is arranged in access device be to being arranged in the execution result that access device local policy decision package returns service implementation quality policy rule, i.e. quality of service policy rule installation/unloading answer message.
Step 908 is arranged in access device local policy decision package and sends the service authorization answer message to the local resource management unit of access device.
Step 909, the local resource management unit that is arranged in access device is to multicast control unit forwarding multicasting service request answer message.
Step 910, the multicast control unit sends the multicast service request answer message to user terminal.
Referring to Figure 15, the schematic flow sheet of method for controlling quality of service the tenth embodiment that provides for the embodiment of the invention.
Example of the present invention provides a kind of high speed Internet access, the method for the service quality control under other service request such as VOIP.The method for controlling quality of service that this embodiment provides is suitable equally for multicast service and unicast service, in this embodiment, home network CPN is made up of a plurality of user terminals and one family gateway, home gateway is made up of two unit, the one, the strategic decision-making unit of home gateway, be responsible for receiving quality of service policy rule from policy deciding functional entity, when described quality of service policy rule is not converted to the quality of service policy rule of bearing bed in the home network, described quality of service policy rule is converted into the quality of service policy rule of bearing bed in the home network, and the notification strategy performance element is carried out the quality of service policy rule after the described conversion.Another unit is gateway strategy execution unit, is responsible for carrying out the message classification on quality of service policy rule and the data surface, mark, shaping, queue scheduling, and congested control.Home gateway and a plurality of user terminal are interconnected, are responsible for the different business of each user terminal, and control of the service quality resource of unique user terminal different business and management.For other business such as online and voice, can by the strategic decision-making unit of home gateway by and policy deciding functional entity (realizing with strategic server in embodiments of the present invention) between interface, directly to the relevant quality of service policy rule of business of strategic server request home network control, its idiographic flow is as follows:
Step 1000, the strategic decision-making unit of home gateway by and strategic server between interface, directly send quality of service policy rule request (qos policy rule request), ask professional corresponding quality of service policy rule with home gateway control to strategic server.
Step 1001, strategic server is authorized described quality of service policy rule request and is made a strategic decision, to determine the professional corresponding quality of service policy rule of described home gateway control, and by and the strategic decision-making unit of home gateway between interface, send the professional corresponding quality of service policy rule of home gateway control to home gateway.
Step 1002, when described quality of service policy rule from strategic server is not converted to the quality of service policy rule of bearing bed in the home network, the strategic decision-making unit of home gateway at first changes into described quality of service policy rule the quality of service policy rule of bearing bed in the home network, and described quality of service policy rule is implemented in the strategy execution unit that reinforms home gateway.
Step 1003, the strategy execution unit of home gateway returns the execution result of service implementation quality policy rule to the strategic decision-making unit of home gateway.
Step 1004, the strategic decision-making unit of home gateway send the execution result of service implementation quality policy rule to strategic server.
Referring to Figure 16, the schematic flow sheet of method for controlling quality of service the 11 embodiment that provides for the embodiment of the invention.
Policy deciding functional entity is realized with strategic server in embodiments of the present invention.
For other business, the embodiment of the invention provides another kind of flow process to realize service quality control.In embodiments of the present invention, send the quality of service policy rule request by the home gateway dispensing unit to policy deciding functional entity (realizing with strategic server in the embodiment of the invention), the home gateway dispensing unit is a functional unit of NACS system in the NGN framework, be mainly used in the configuration of home gateway fire compartment wall, in embodiments of the present invention, also can send a kind of means of quality of service policy rule as trigger policy decision making function entity to home gateway.Described home gateway dispensing unit receives the quality of service policy rule from strategic server as a kind of local policy decision package, transmits to home gateway then.
Concrete steps are as follows:
In step 1100, home gateway and home gateway dispensing unit are set up safe trusting relationship.This safe trusting relationship can be used for protecting home gateway and the mutual data message of home gateway dispensing unit.Need to prove, home gateway and home gateway dispensing unit are set up safe trusting relationship only for illustrating one of situation that is sent the quality of service policy rule request by the home gateway dispensing unit, can not limit all scenario that is sent the quality of service policy rule request by the home gateway dispensing unit with this.
Step 1101, the home gateway dispensing unit sends the quality of service policy rule request for home gateway to strategic server.
Step 1102, strategic server is authorized described quality of service policy rule request and is made a strategic decision, with the professional corresponding quality of service policy rule that determines that described home gateway is controlled, and the local policy decision package in the home gateway dispensing unit returns the quality of service policy rule.
Step 1103, the local policy decision package of home gateway dispensing unit is to the strategic decision-making unit forwards of the home gateway quality of service policy rule from strategic server.
Step 1104, described quality of service policy rule is implemented in the strategy execution unit of the strategic decision-making unit notice home gateway of home gateway.
Step 1105, the strategy execution unit of home gateway returns the execution result of implementing described quality of service policy rule to the strategic decision-making unit of home gateway, promptly returns quality of service policy rule installation/unloading answer message.
Step 1106, the strategic decision-making unit of home gateway returns the execution result of implementing described quality of service policy rule to the local policy decision package of home gateway dispensing unit, promptly returns quality of service policy rule installation/unloading answer message.
Step 1107, the home gateway dispensing unit returns the execution result of implementing described quality of service policy rule to strategic server, promptly returns quality of service policy rule installation/unloading answer message.
Referring to Figure 17, the schematic flow sheet of method for controlling quality of service the 12 embodiment that provides for the embodiment of the invention.
Policy deciding functional entity is realized with strategic server in embodiments of the present invention.
In the method for controlling quality of service flow process that provides as the tenth embodiment, the home gateway dispensing unit is also by the interface between the strategy execution unit in the home gateway, transmits quality of service policy rule from strategic server to home gateway.Idiographic flow is as follows:
Step 1200, home gateway and home gateway dispensing unit are set up safe trusting relationship.This safe trusting relationship can be used for protecting home gateway and the mutual data message of home gateway dispensing unit.Need to prove, home gateway and home gateway dispensing unit are set up safe trusting relationship only for illustrating one of situation that is sent the quality of service policy rule request by the home gateway dispensing unit, can not limit all scenario that is sent the quality of service policy rule request by the home gateway dispensing unit with this.
Step 1201, the home gateway dispensing unit sends the quality of service policy rule request for home gateway to strategic server.
Step 1202, strategic server is authorized described quality of service policy rule request and is made a strategic decision, with the professional corresponding quality of service policy rule that determines that described home gateway is controlled, and the local policy decision package in the home gateway dispensing unit returns the quality of service policy rule.
Step 1203, the home gateway dispensing unit is converted into the quality of service policy rule of bearing bed in the home network with described quality of service policy rule, and notifies the strategy execution unit of home gateway to carry out described quality of service policy rule.
Step 1204, the strategy execution unit of home gateway sends the execution result of implementing described quality of service policy rule to the home gateway dispensing unit, described execution result returns to strategic server by quality of service policy rule installation/unloading answer message, can be that success also can be failure.
Step 1205, home gateway dispensing unit are returned the execution result of implementing described quality of service policy rule to strategic server.
When family's network provides multiple business, realize that in home network traffic management and QoS control are just extremely important.For example, home network need guarantee the performance for the key business of QoS sensitivity (as VoIP), will avoid excessively occupied bandwidth of certain applications (as the high speed Internet access business) simultaneously, and cause other application performances to descend.Traffic management and QoS control generally realize by the access device (as DSLAM and BRAS) of home gateway and network side is common.Policy deciding functional entity (realizing with strategic server in embodiments of the present invention) is then born the role who issues the quality of service policy rule at chain of command, be strategic server need in home gateway and the Access Network on family's gateway path access device issue the quality of service policy rule respectively, for the user terminal of initiating service request is reserved corresponding QoS resource.After user terminal withdrawed from corresponding service, strategic server also will be responsible for sending to home gateway the quality of service policy rule of releasing service quality resource.
Dynamic QoS control about home gateway has multiple scheduling model, such as user's group scheduling model, and the home business scheduling model, family's mixed scheduling model, the dynamic QoS that provides a kind of home gateway is here controlled mixed scheduling model embodiment.
Referring to Figure 18, the schematic flow sheet of method for controlling quality of service the 13 embodiment that provides for the embodiment of the invention.
Policy deciding functional entity is realized with strategic server in embodiments of the present invention.
In step 1300, home gateway and home gateway dispensing unit are set up safe trusting relationship.This safe trusting relationship can be used for protecting home gateway and the mutual data message of home gateway dispensing unit.Need to prove, home gateway and home gateway dispensing unit are set up safe trusting relationship only for illustrating one of situation that is triggered the quality of service policy rule request by the home gateway dispensing unit, can not limit all scenario that is triggered the quality of service policy rule request by the home gateway dispensing unit with this.
Step 1301, the home gateway dispensing unit sends the quality of service policy rule request to strategic server, carries home gateway positional information and home gateway identification information in this request.
Step 1302, strategic server is authorized described quality of service policy rule request and is made a strategic decision, determine the corresponding professional quality of service policy rule (qos policy rule) of user terminal of home gateway management, send the quality of service policy rule of described decision then to the strategic decision-making unit of home gateway.
Step 1303, when described quality of service policy rule by the strategic server decision is not converted to the quality of service policy rule of bearing bed in the home network, the strategic decision-making unit of home gateway is converted into the quality of service policy rule of bearing bed in the home network with described quality of service policy rule, and the home gateway performance element is carried out described quality of service policy rule.
Step 1304 after described quality of service policy rule is carried out in the strategic decision-making unit of home gateway, is returned the execution result of implementing described quality of service policy rule to strategic server, i.e. quality of service policy rule installation/unloading answer message.
Referring to Figure 19, be the schematic flow sheet that the home gateway that provides of the embodiment of the invention is handled service request.
In the present embodiment, home gateway is as follows to the flow process of service request processing:
Step 1400, home gateway strategy decision package receive the quality of service policy rule from strategic server;
Step 1401 judges that whether the quality of service policy rule is to allow the quality of service policy rule of home gateway releasing service quality resource, if, then change step 1402 over to, reclaim bandwidth resources, unloading qos policy rule if not, then changes step 1403 over to;
Step 1403 judges that user type is the fixed-bandwidth user, or the bandwidth varying superuser.
If judge it is when user type is the bandwidth varying superuser, change step 1404 over to;
Step 1404 judges that total bandwidth that home gateway can use whether greater than professional bandwidth application, if greater than professional bandwidth application, then changes step 1405 over to, implements described quality of service policy rule, i.e. direct build-in services quality policy rule.If less than professional bandwidth application, then change step 1406 over to, in that the existing bandwidth of home gateway is added professional bandwidth application, from available bandwidth, distribute to the bandwidth of service request again, then in step 1407, home gateway is installed described quality of service policy rule.
If judge it is the fixed-bandwidth user in step 1403, change step 1408 over to;
Step 1408 judges whether user's set type and user type are domestic consumer's groups, if user's set type is superuser group such as individual line subscriber group or superuser such as voice user, then changes step 1409 over to, if domestic consumer's group then changes step 1410 over to;
Step 1409 to the superuser group, is then checked residual bandwidth resources, judge whether available bandwidth resources enough distributes to business? if then change step 1411 over to and corresponding quality of service policy rule be installed for this business; If not,, judge whether the bandwidth resources budget of adjusting low priority successful then in step 1412? if then change step 1413 over to, for this business corresponding quality of service policy rule is installed, if not, then changes step 1414 over to, keep existing bandwidth, and alarm to home gateway;
If judge it is domestic consumer's group in step 1408, then change step 1410 over to, in step 1410, judge whether described user type is domestic consumer, if, then change step 1415 over to, judge whether available bandwidth resources enough distributes to business? if, then change step 1411 over to, for this business is installed corresponding quality of service policy rule; If not, then change step 1414 over to, keep existing bandwidth, and alarm to home gateway.
Under this family gateway QoS control scheduling model, when same user terminal is successively applied for IPTV unicast service bandwidth and IPTV multicast service bandwidth, under unicast service bandwidth and multicast service bandwidth sharing situation, the bandwidth of unitcast request is 2M, the 4M during bandwidth of multicast service request, utilize this scheduling model, bandwidth resources can be adjusted to shared bandwidth 4M, thereby guarantee the service quality of multicast and unicast service.When the user terminal subscriber arrearage or when normally rolling off the production line the notification strategy server, strategic server also can issue the quality of service policy rule that discharges the QoS resource to home gateway, thereby the guaranteed qos resources effective reclaims and makes full use of.When family's gateway does not have enough allocated bandwidth, and during the failure of service implementation quality policy rule, the home gateway strategy performance element can send warning information to gateway strategic decision-making unit, this warning information can be passed to strategic server by home gateway, thereby strategic server can directly be refused the service request from user terminal, perhaps by the service request of application server refusal from user terminal.
Referring to Figure 20, be the schematic flow sheet that the digital subscriber line access and multiplexing device that provides of the embodiment of the invention is handled service request.
QoS control about digital subscriber line access and multiplexing device (DSLAM) and convergence switch also has multiple scheduling model, as DSLAM multi-business scheduling model, and DSLAM multi-user's group scheduling model etc.Here provide a kind of general QoS control scheduling model.
In step 1500, DSLAM or convergence switch receive the quality of service policy rule;
Do DSLAM or convergence switch judge that at first the quality of service policy rule is to discharge the QoS of survice resource, still reserves the QoS resource in step 1501?
If discharge the QoS resource, then change step 1502 over to, DSLAM or convergence switch reclaim bandwidth and unload corresponding quality of service policy rule.
If reserve the QoS resource, then change step 1503 over to, then judge user's set type and user type;
User's set type comprises domestic consumer's group, individual line subscriber group etc., and user type comprises the voice user, domestic consumer etc.
When user type or user's set type are domestic consumer, then change step 1504 over to; If user's group is that individual line subscriber group or user type are superuser, then change step 1505 over to, judge that whether available bandwidth is greater than professional bandwidth application;
In step 1504, judge whether user type is domestic consumer; If then change step 1506 over to; Then change step 1505 if not over to, judge that whether available bandwidth is greater than professional bandwidth application;
In step 1506, judge that whether available bandwidth is greater than professional bandwidth application; If then change step 1507 over to; If not, then change step 1508 over to, keep existing bandwidth and send alarm to DSLAM or convergence switch.
In step 1507, home gateway is implemented described quality of service policy rule, and promptly home gateway is directly installed corresponding qos policy rule service quality policy rule for the user terminal of initiating this service request;
In step 1505, judge available bandwidth whether greater than the judged result of professional bandwidth application for being, then change step 1507 over to, if judged result then changes step 1509 over to for not;
In step 1509, then adjust the low service bandwidth budget of priority, and judge whether the adjustment budget successful? successfully then change step 1507 over to if adjust; Otherwise change step 1508 over to, keep existing bandwidth and send alarm to DSLAM or convergence switch.
What the scheduling model of DSLAM dynamic QoS control here QoS different and home gateway controlled scheduling model is, DSLAM can receive the quality of service policy rule from strategic server, can also determine the quality of service policy rule of the business of each home gateway control simultaneously according to the VLAN tag recognition, thereby DSLAM can by and the strategic decision-making unit of home gateway between interface, transmission quality of service policy rule, limit all professional total bandwidths of each home gateway, perhaps the bandwidth of a plurality of business and, perhaps each professional bandwidth.
Implement the strategic server that the embodiment of the invention provides, home gateway and method for controlling quality of service have following beneficial effect:
At first, strategic server triggers according to the customer service request, decision and professional related service quality policy rule, and send to home gateway enforcement, realized dynamic QoS control.
Secondly, strategic server also sends the quality of service policy rule to the DSLAM/ of home gateway correspondence convergence device, not only considered qos policy configuration to home gateway, also considered the qos policy configuration of the DSLAM/ convergence device corresponding, guaranteed with the service quality on the data path between realizing from the home gateway to the strategic server with home gateway.
Then, introduce location management unit, management position information for strategic server provides the positional information of home gateway and corresponding DSLAM/ convergence device, has solved pinpointing the problems of home gateway and corresponding DSLAM/ convergence device.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential hardware platform, can certainly all implement by hardware.Based on such understanding, all or part of can the embodying that technical scheme of the present invention contributes to background technology with the form of software product, this computer software product can be stored in the storage medium, as ROM/RAM, magnetic disc, CD etc., comprise that some instructions are with so that a computer equipment (can be a personal computer, server, the perhaps network equipment etc.) carry out the described method of some part of each embodiment of the present invention or embodiment.
Above disclosed is several preferred embodiments of the present invention only, can not limit the present invention's interest field certainly with this, and therefore the equivalent variations of doing according to claim of the present invention still belongs to the scope that the present invention is contained.

Claims (30)

1, a kind of method for controlling quality of service is characterized in that, comprising:
Obtain the quality of service policy rule from policy deciding functional entity;
When described quality of service policy rule is not converted into the quality of service policy rule of bearing bed in the home network, the quality of service policy rule of described acquisition is converted to the quality of service policy rule of bearing bed in the home network;
Implement the quality of service policy rule after the described conversion.
2, method for controlling quality of service as claimed in claim 1 is characterized in that, describedly obtains also to comprise before the quality of service policy rule step from policy deciding functional entity:
Send the quality of service policy rule request to described policy deciding functional entity.
3, method for controlling quality of service as claimed in claim 1 is characterized in that, carry out the step of the quality of service policy rule after the described conversion after, comprising:
Send the execution result of implementing described quality of service policy rule to described policy deciding functional entity.
4, as each described method for controlling quality of service in the claim 1 to 3, it is characterized in that described method also comprises:
When the quality of service policy rule of the releasing service quality resource that receives described policy deciding functional entity transmission, releasing service quality resource.
5, a kind of method for controlling quality of service is characterized in that, comprising:
Receive service request;
Described service request is authorized and made a strategic decision, with the professional corresponding quality of service policy rule that determines that described service request is asked;
Send and the corresponding quality of service policy rule of described service request to the home gateway that is described traffic assignments service quality resource.
6, method for controlling quality of service as claimed in claim 5 is characterized in that, sends and the corresponding quality of service policy rule of described service request to the home gateway that is described traffic assignments service quality resource, comprising:
Described quality of service policy rule is directly sent the home gateway of most described traffic assignments service quality resource; Or
Described quality of service policy rule is sent to access device, sends the home gateway of most described traffic assignments service quality resource again by described access device.
7, method for controlling quality of service as claimed in claim 5 is characterized in that, described method also comprises:
Obtain the positional information of described home gateway and/or access device;
Send described quality of service policy rule to described home gateway and/or described access device.
8, method for controlling quality of service as claimed in claim 7 is characterized in that, described method also comprises:
Reception is from the execution result of described home gateway and/or access device service implementation quality policy rule;
According to the execution result of described execution quality of service policy rule, allow or refuse the business that described service request is asked.
9, a kind of method for controlling quality of service is characterized in that, comprising:
Reception is from the quality of service policy rule request of home gateway or the transmission of home gateway dispensing unit;
Described quality of service policy rule request is authorized and made a strategic decision, to determine the professional corresponding quality of service policy rule of described home gateway control;
Send the quality of service policy rule of described decision to described home gateway.
10, method for controlling quality of service as claimed in claim 9 is characterized in that, carries positional information, home gateway sign and the terminal iidentification of home gateway in the described quality of service policy rule request.
11, method for controlling quality of service as claimed in claim 10 is characterized in that, described method also comprises:
According to the positional information of described home gateway, send described quality of service policy rule to described home gateway.
12, method for controlling quality of service as claimed in claim 11 is characterized in that, described method also comprises:
Receive the execution result of the described quality of service policy rule of enforcement of home gateway transmission;
According to the execution result of described service implementation quality policy rule, allow or refuse described business by home gateway control.
13, a kind of home gateway is characterized in that, comprising:
The strategic decision-making unit is used for obtaining the quality of service policy rule from policy deciding functional entity, and the quality of service policy rule that will not get transformed into bearing bed in the home network changes into the quality of service policy rule of bearing bed in the home network;
The strategy execution unit is used to implement the quality of service policy rule after the described conversion.
14, home gateway as claimed in claim 13 is characterized in that, described home gateway also comprises:
The strategy request unit is used for sending the quality of service policy rule request to described policy deciding functional entity; Carry home gateway positional information, home gateway sign and terminal iidentification in the described quality of service policy rule request.
15, home gateway as claimed in claim 14 is characterized in that, described home gateway also comprises:
The strategy response unit is used for sending the execution result of implementing described quality of service policy rule to described policy deciding functional entity.
16, home gateway as claimed in claim 15, it is characterized in that, described strategic decision-making unit also is used to receive the quality of service policy rule of the releasing service quality resource that described policy deciding functional entity sends, and notifies described strategy execution unit to discharge relevant service quality resource;
Described strategy execution unit also is used for the quality of service policy rule according to described releasing service quality resource, releasing service quality resource.
17, a kind of policy deciding functional entity is characterized in that, comprising:
The strategic decision-making unit is used for service request is authorized and made a strategic decision, with the professional corresponding quality of service policy rule that determines that described service request is asked; Or the quality of service policy rule request that home gateway or home gateway dispensing unit send authorized and make a strategic decision, to determine the professional corresponding quality of service policy rule of described home gateway control;
The strategy transmitting element is used for the quality of service policy rule of described strategic decision-making unit decision is sent to home gateway.
18, policy deciding functional entity as claimed in claim 17 is characterized in that, described tactful transmitting element is transmitted by access device described quality of service policy rule to described home gateway.
19, policy deciding functional entity as claimed in claim 18, it is characterized in that, when described quality of service policy rule request was sent by home gateway, described strategic decision-making unit was the corresponding quality of service policy rule of business decision of the home gateway control of described initiating QoS policing rule request.
20, policy deciding functional entity as claimed in claim 18, it is characterized in that, when described quality of service policy rule request was sent by the home gateway dispensing unit, described strategic decision-making unit was the corresponding quality of service policy rule of business decision that the home gateway relevant with described home gateway dispensing unit controlled.
21, as each described policy deciding functional entity in the claim 17 to 20, it is characterized in that described policy deciding functional entity also comprises:
The position acquiring unit is used for obtaining to location server the position of described home gateway and/or access device; Or
The positional information that is used for the home gateway that carries according to described quality of service policy rule request, the position that obtains described home gateway.
22, policy deciding functional entity as claimed in claim 21 is characterized in that, described policy deciding functional entity also comprises:
Reply receiving element, be used to receive the execution result of implementing described quality of service policy rule from described home gateway.
23, policy deciding functional entity as claimed in claim 22 is characterized in that, described policy deciding functional entity also comprises:
Service Processing Module is used for according to described execution result, allows or refuse the professional or described business by described home gateway control that described service request is asked.
24, policy deciding functional entity as claimed in claim 23 is characterized in that, described tactful transmitting element also is used for sending to described home gateway the quality of service policy rule of releasing service quality resource.
25, policy deciding functional entity as claimed in claim 24 is characterized in that, but described policy deciding functional entity individualism, and with strategic server or aaa server realization; Or be present in the access device.
26, a kind of service quality control system, it is characterized in that, comprise policy deciding functional entity and home gateway, described policy deciding functional entity, service request is authorized and made a strategic decision, with the professional corresponding quality of service policy rule that determines that described service request is asked; Or the quality of service policy rule request that home gateway or home gateway dispensing unit send authorized and make a strategic decision, to determine the professional corresponding quality of service policy rule of described home gateway control;
Described home gateway is used for obtaining the quality of service policy rule from policy deciding functional entity, and will not get transformed into after the quality of service policy rule of bearing bed changes into the quality of service policy rule of bearing bed in the home network in the home network, implement the quality of service policy rule after the described conversion.
27, service quality control system as claimed in claim 26 is characterized in that, described system also comprises:
Access device is used to receive the quality of service policy rule that sends from policy deciding functional entity, and described quality of service policy rule is transmitted to home gateway.
28, service quality control system as claimed in claim 27 is characterized in that, described system also comprises:
Location server, be used to manage the positional information of described home gateway and/or described access device, and described positional information offered described policy deciding functional entity, so that described policy functional entity sends the quality of service policy rule to described home gateway and/or access device.
29, service quality control system as claimed in claim 28 is characterized in that, described home gateway also is used for sending the quality of service policy rule request to described policy deciding functional entity.
30, service quality control system as claimed in claim 28 is characterized in that, described system also comprises:
The home gateway dispensing unit is used for sending described quality of service policy rule request to described policy deciding functional entity.
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