CN102238742A - Resource admission control method and system - Google Patents

Resource admission control method and system Download PDF

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Publication number
CN102238742A
CN102238742A CN2010101657686A CN201010165768A CN102238742A CN 102238742 A CN102238742 A CN 102238742A CN 2010101657686 A CN2010101657686 A CN 2010101657686A CN 201010165768 A CN201010165768 A CN 201010165768A CN 102238742 A CN102238742 A CN 102238742A
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resource
entity
qos
racf
scf
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CN102238742B (en
Inventor
尤建洁
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ZTE Corp
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ZTE Corp
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Priority to CN201010165768.6A priority Critical patent/CN102238742B/en
Priority to PCT/CN2010/077457 priority patent/WO2011137625A1/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
    • H04L41/5019—Ensuring fulfilment of SLA
    • H04L41/5022—Ensuring fulfilment of SLA by giving priorities, e.g. assigning classes of service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/74—Admission control; Resource allocation measures in reaction to resource unavailability
    • H04L47/741—Holding a request until resources become available
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
    • H04L47/765—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions triggered by the end-points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/78—Architectures of resource allocation
    • H04L47/781—Centralised allocation of resources
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/70—Admission control; Resource allocation
    • H04L47/80—Actions related to the user profile or the type of traffic
    • H04L47/805—QOS or priority aware

Abstract

The invention discloses a resource admission control method, which comprises the following steps that: a service control function (SCF) entity transmits a resource request message to a resource admission control function (RACF) entity, wherein the resource request message carries a quality of service (QoS) recovery indication parameter of a service; and when the QoS recovery indication parameter indicates that QoS is allowed to be recovered, the RACF entity checks resource availability, and when the QoS recovery resource requirement is met, the original QoS is recovered. The invention also discloses a resource admission control system, which comprises the SCF entity and the RACF entity, wherein the SCF entity is used for transmitting the resource request message to the RACF entity after a service request is received, wherein the message carries the QoS recovery indication parameter of the service; and the RACF entity is used for checking the requested resources and feeding a resource admission result back to the SCF entity. When the RACF entity determines that idle resources are present in the current network, the SCF entity can be timely notified of the idle resources and performs corresponding QoS recovery on the services of which the QoS has been lowered according to conditions of the idle resources; therefore, the services have the QoS level before the QoS is lowered.

Description

Resource acceptance control method and system
Technical field
The present invention relates to the resource and admission control technology, relate in particular to a kind of resource acceptance control method and system.
Background technology
At present, next generation network (NGN, Next Generation Network) is a hot research problem in current communication standard field, it adopts the IP group technology as Bearer Network, and converged fixed communication and mobile communication, thereby NGN can provide abundanter multimedia service, for example, have business such as the emerging service of real-time requirement such as Internet Protocol Television, video conference, multimedia remote teaching, video request program, these business need communication networks can provide efficiently the support of service quality (QoS, Quality of Service) end to end; Simultaneously because the user is also more and more higher to the requirement of network service quality.Therefore, providing end to end, QoS is one of key problem of NGN.
(the ITU-T of standardization department of international telecommunication union telecommunication, International TelecommunicationUnion-Telecommunications standardization sector) be (ITU of International Telecommunications Union, International Telecommunication Union) telecommunications department has formulated the standard of relevant resource and admission control.Up-to-date resource accommodating control function (RACF in the ITU-T announcement, Resource andAdmission Control Functions) in the draft, the functional framework of RACF entity is provided, as shown in Figure 1, the RACF entity is made up of two parts, be respectively policy deciding functional entity (PD-FE, PolicyDecision Functional Entity) and transfer resource controlled function entity (TRC-FE, TransportResource Control Functional Entity), wherein, TRC-FE is mutual by Rc interface and transfer function, it is mutual to carry out functional entity (TRE-FE, Transport ResourceEnforcement Functional Entity) by Rn interface and transfer resource; PD-FE is mutual by Rt interface and TRC-FE, by Rh interface and the local network of users (CPN, Customer Premises Network) mutual, by Rw interface and policy execution functional entity (PE-FE, Policy Enforcement Functional Entity) mutual, service control function (SCF by Rs interface and operation layer, Service Control Functions) entity interaction, by Ru interface and network attachment controlled function (NACF, Network Attachment ControlFunctions) entity interaction; And PD-FE is also mutual by Ri interface and other next generation networks.
In addition, PD-FE and transmission technology are irrelevant, and be also irrelevant with the SCF entity, the transport layer CAMEL-Subscription-Information that the business information that PD-FE policing rule Network Based, SCF entity provide, NACF entity provide, and the Resource Availability result of decision that provides of TRC-FE, make the last decision-making of resource and admission control.
TRC-FE and independent of service, but relevant with transmission technology.TRC-FE is responsible for collecting and safeguarding transmission network information and resource state information.After receiving resource request from PD-FE, TRC-FE carries out resource-based admittance and controls based on QoS, priority demand, Resource Availability information and the policing rule relevant with transmission.
Transport layer is carried out functional entity (TRE-FE, Transport Resource Enforcement FunctionalEntity) by policy execution functional entity (PE-FE, Policy Enforcement Functional Entity) and transfer resource and is formed.PE-FE carries out the policing rule that PD-FE issues, and, PE-FE wraps packet gateway, can be positioned at the local network of users (CPN, Customer Premises Network) and between the access network or between Access Network and the core net or between the different operators network, it is the key node of supporting that dynamic QoS control, port address conversion and control and network address translation (NAT, Network Address Translator) are passed through.TRE-FE carries out the transfer resource policing rule that TRC-FE issues.
At present, when resource current in the network is nervous, can adjust, be about to its professional QoS downward modulation, to guarantee can not take too much resource under the situation that customer service inserts the qos policy of the business of certain customers.But in case when resources in network was idle, present network but can not recover the qos policy of downward modulation, this obviously can cause the serious waste of current resource, and professional QoS can not obtain better guarantees.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of resource acceptance control method and system, can carry out the adjustment of qos policy to the business of request service according to the resource situation in the current network.
For achieving the above object, technical scheme of the present invention is achieved in that
A kind of resource acceptance control method, described method comprises:
Service control function SCF entity sends resource request message to resource accommodating control function RACF entity; Wherein, carry professional service quality QoS in the described resource request message and recover indication parameter; Described QoS recovers indication parameter and recovers or do not allow to recover for allowing;
If described QoS recovers indication parameter when allowing to recover, then described RACF entity carries out the Resource Availability inspection according to the described resource request message that receives and when satisfying the resource requirement that QoS recovers, and the QoS of described business is recovered.
Preferably, described method also comprises:
Described RACF entity is checked current Resource Availability, and when being arranged, idling-resource notifies described SCF entity, whether described SCF entity recovers to adjudicate according to the QoS of described idling-resource to business, and with the QoS recovery indication parameter of court verdict as described business.
Preferably, described method also comprises:
Service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of home network entity, the RACF entity of home network is verified institute's request resource, if then described resource request message is transmitted to the RACF entity of visited network by checking, RACF entity by described visited network carries out the availability inspection to institute's request resource, checking result according to the RACF entity of availability check result and described home network makes the resource and admission decision-making, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result by the RACF entity of described home network and to described SCF entity feedback resources.
Preferably, described method also comprises:
Service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of visited network entity, the RACF entity of described visited network carries out the availability inspection to institute's request resource, and described resource request message is transmitted to the RACF entity of home network, by the RACF entity of described home network institute's request resource is verified; The RACF entity of described visited network is made the resource and admission decision-making according to the checking result of the RACF entity of availability check result and described home network, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result to described SCF entity feedback resources.
Preferably, described RACF entity comprises policy deciding functional entity PD-FE and transfer resource controlled function entity TRC-FE; Described RACF entity is checked institute's request resource:
Described PD-FE verifies institute's request resource; Described TRC-FE carries out the availability inspection to institute's request resource, and makes the resource and admission decision-making according to the checking result of availability check result and described PD-FE.
A kind of resource acceptance control system comprises SCF entity and RACF entity; Wherein,
The SCF entity after being used to receive service request, sends resource request message to the RACF entity; Wherein, carry professional QoS in the described resource request message and recover indication parameter; Wherein, described QoS recovers indication parameter for allowing to recover or do not allow recovery;
The RACF entity is used for recovering indication parameter when allowing to recover at described QoS, carries out the Resource Availability inspection according to described resource request message, and when satisfying the resource requirement that QoS recovers, and the QoS of described business is recovered.
Preferably, described RACF entity also is used for: current Resource Availability is checked, and when being arranged, idling-resource notifies described SCF entity, described SCF entity also is used for: whether the QoS to business recovers to adjudicate according to described idling-resource, and with the QoS recovery indication parameter of court verdict as described business.
Preferably, service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of home network entity, the RACF entity of home network is verified institute's request resource, and described resource request message is transmitted to the RACF entity of visited network, RACF entity by described visited network carries out the availability inspection to institute's request resource, checking result according to the RACF entity of availability check result and described home network makes the resource and admission decision-making, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result by the RACF entity of described home network and to described SCF entity feedback resources.
Preferably, service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of visited network entity, the RACF entity of described visited network carries out the availability inspection to institute's request resource, and described resource request message is transmitted to the RACF entity of home network, by the RACF entity of described home network institute's request resource is verified; The RACF entity of described visited network is made the resource and admission decision-making according to the checking result of the RACF entity of availability check result and described home network, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result to described SCF entity feedback resources.
Preferably, described RACF entity comprises policy deciding functional entity PD-FE and transfer resource controlled function entity TRC-FE; Wherein,
Described PD-FE is used for institute's request resource is verified;
Described TRC-FE is used for institute's request resource is carried out the availability inspection, and makes the resource and admission decision-making according to the checking result of availability check result and described PD-FE.
Among the present invention, after the SCF entity receives service request, when generating resource request message, the QoS of business is recovered indication parameter also as a cell in the resource request message, thereby make the RACF entity when carrying out resource and admission control, can recover indication parameter according to corresponding QoS institute's requested service is carried out the QoS recovery, to satisfy professional QoS demand as much as possible.
When the RACF entity is determined in the current network idling-resource to be arranged, will in time be notified to the SCF entity, the SCF entity will carry out corresponding QoS recovery to the business that those QoS once reduced according to the situation of idling-resource, make it reach downward modulation QoS level before.And, when determining that business needs recovery of Q oS, after receiving the corresponding business request, will generate the corresponding indication parameter that recovers, notice RACF entity carries out resource and admission and controls.Technical solution of the present invention is simple, realizes that cost is lower.
Description of drawings
Fig. 1 is the composition structural representation of ITU-T RACF entity;
Fig. 2 is the flow chart of the embodiment of the invention one resource acceptance control method;
Fig. 3 is the flow chart of the resource acceptance control method of the embodiment of the invention two;
Fig. 4 is the flow chart of the resource acceptance control method of the embodiment of the invention three;
Fig. 5 is the flow chart that SCF entity of the present invention is made the QoS of survice recovery policy;
Fig. 6 is the composition structural representation of resource acceptance control system of the present invention.
Embodiment
Basic thought of the present invention is: when the RACF entity is determined in the current network idling-resource to be arranged, will in time be notified to the SCF entity, the SCF entity will carry out corresponding QoS recovery to the business that those QoS once reduced according to the situation of idling-resource, make it reach downward modulation QoS level before.And, when determining that business needs recovery of Q oS, after receiving the corresponding business request, will generate the corresponding indication parameter that recovers, notice RACF entity carries out resource and admission and controls.
For making the purpose, technical solutions and advantages of the present invention clearer, by the following examples and with reference to accompanying drawing, the present invention is described in more detail.
Describe the present invention below in conjunction with drawings and Examples.
Fig. 2 is the flow chart of the embodiment of the invention one resource acceptance control method, and as shown in Figure 2, this example resources acceptance controlling method may further comprise the steps:
Step 201, the user initiates service request, and sends a request message to the SCF entity, triggers the SCF entity and generates the initializing resource request;
Step 202, the SCF entity is determined the QoS resource parameters of institute's requested service such as bandwidth, type of service, grade of service etc., send the initializing resource request message then to PD-FE, carry information such as Media Stream description, qos parameter, recovery indication parameter in the message, RACF carries out QoS resource authorization and reservation with request;
Step 203, after PD-FE received the initializing resource request message, if this user's CAMEL-Subscription-Information is not stored in this locality, then PD-FE and NACF entity carried out obtaining user's CAMEL-Subscription-Information from the NACF entity alternately; Concrete, the request message of CAMEL-Subscription-Information that can obtain the user by transmission is to the NACF entity, and the NACF entity gets final product to the PD-FE feedback user's that asks CAMEL-Subscription-Information.Do not limit this CAMEL-Subscription-Information obtain manner in this example.
Step 204, PD-FE carries out authorization check to this initializing resource request, comprises whether the QoS resource of checking initializing resource request is consistent with local carrier policy rule and user signing contract information; Wherein user signing contract information is from NACF or in the local storage of PD-FE.
Step 205, the related Access Network and the core net of QoS resource of PD-FE decision-making (promptly selecting) request, PD-FE sends initializing resource request message (being used to ask the availability inspection) according to the above-mentioned result of decision and gives corresponding TRC-FE then, to check the Resource Availability of related network; TRC-FE checks the availability of institute's requested resource, determines promptly whether current resource can satisfy current qos policy demand, have availability when satisfying, otherwise institute's request resource does not have availability.
Step 206, PD-FE carries out final resource and admission decision-making according to the authorization check result of step 204 and the Resource Availability check result of step 205; The resource and admission decision-making comprises the QoS that recovers original;
Step 207, if final QoS decision strategy is at PE-FE qos policy to be installed, PD-FE sends the initializing resource request message to PE-FE, so that final qos policy rule to be installed;
Step 208, PE-FE installs the final policing rule from PD-FE, and the transmission initializing resource responds to PD-FE;
Step 209, PD-FE sends initializing resource and responds the entity to SCF.
Fig. 3 is the flow chart of the resource acceptance control method of the embodiment of the invention two, and as shown in Figure 3, among the figure, PD-FE (H) is home network PD-FE, and PD-FE (V) is visited network PD-FE; In this example, be that the user is in the resource and admission control flow under nomadic or the roaming scence, specifically may further comprise the steps:
Step 301, the user initiates service request, and sends a request message to the SCF entity, triggers the SCF entity and generates the initializing resource request;
Step 302, the SCF entity is determined QoS resource parameters such as bandwidth, the type of service etc. of institute's requested service, send initializing resource request message (reservation) then and give home network PD-FE (Home), carry information such as Media Stream description, qos parameter, recovery indication parameter in the message, carry out QoS resource authorization and reservation with request home network RACF entity;
Step 303, PD-FE (Home) carries out authorization check to this initializing resource request, comprises whether the QoS resource of checking request is consistent with local carrier policy rule and user signing contract information.If authorization check passes through, then PD-FE (Home) carries out initial strategic decision-making according to user signing contract information, local carrier policy rule and business information to this service request;
Step 304, because PD-FE (Home) does not have the transport layer resource of being asked, the initializing resource request message is further sent to visited network PD-FE (Visitor), carries information such as recovering indication parameter in the message;
Step 305, PD-FE (Visitor) carries out authorization check to this initializing resource request, comprises whether the QoS resource of checking request is consistent with local carrier policy rule;
Step 306, the related Access Network and the core net of QoS resource of PD-FE (Visitor) decision requests, PD-FE (Visitor) sends initializing resource request message (availability inspection) and gives TRC-FE (Visitor) then, to check the Resource Availability of related network;
Step 307, PD-FE (Visitor) carries out final resource and admission decision-making according to step 305 resource checking result and step 306 resource check result.If the QoS resource of being asked is rejected, then PD-FE (Visitor) sends the initializing resource response message to PD-FE (Home), the reason of carrying refusal in this message; PD-FE (Home) transmits the initializing resource response message to the SCF entity, admits the result of decision-making with notice SCF actual resource.If the QoS resource of being asked is allowed to, then execution in step 308; Wherein, the resource and admission decision-making comprises the QoS that recovers original.
Step 308, PD-FE (Visitor) sends initializing resource message to PE-FE (Visitor), so that final QoS decision strategy to be installed;
Step 309, PE-FE (Visitor) installs the final QoS decision strategy from PD-FE (Visitor), and the transmission initializing resource responds to PD-FE (Visitor);
Step 310, PD-FE (Visitor) sends initializing resource and responds to PD-FE (Home);
Step 311, PD-FE (Home) sends initializing resource and responds the entity to SCF.
Fig. 4 is the flow chart of the resource acceptance control method of the embodiment of the invention three, and as shown in Figure 4, among the figure, PD-FE (H) is home network PD-FE, and PD-FE (V) is visited network PD-FE; In this example, be that the user is in the resource and admission control flow under nomadic or the roaming scence, specifically may further comprise the steps:
Step 401, the user initiates service request, and sends a request message to the SCF entity, triggers the SCF entity and generates the initializing resource request;
Step 402, the SCF entity is determined QoS demand parameter such as bandwidth, the type of service etc. of institute's requested service, send initializing resource request message (reservation) then and give visited network PD-FE (Visitor), carry information such as Media Stream description, qos parameter, recovery indication parameter in the message, carry out QoS resource authorization and reservation with request RACF entity;
Step 403, PD-FE (Visitor) carries out authorization check to this initializing resource request, comprises whether the QoS resource of checking request is consistent with local carrier policy rule;
Step 404, the related Access Network and the core net of QoS resource of PD-FE (Visitor) decision requests, then, PD-FE (Visitor) sends initializing resource request message (availability inspection) and gives TRC-FE (Visitor), to check the Resource Availability of related network;
Step 405, because PD-FE (Visitor) does not have user signing contract information, the initializing resource request message is further sent to PD-FE (Home);
Step 406, PD-FE (Home) carries out authorization check to this initializing resource request, comprises whether the QoS resource of checking request is consistent with local carrier policy rule and user signing contract information.If authorization check passes through, then PD-FE (Home) carries out initial strategic decision-making according to user signing contract information, local carrier policy rule, business information etc. to this service request;
Step 407, PD-FE (Home) sends initializing resource and responds to PD-FE (Visitor), comprises initial strategic decision-making in this message;
Step 408, PD-FE (Visitor) carries out final resource and admission decision-making according to the checking result of step 404 check result and step 407; If the QoS resource of being asked is allowed to, then the resource and admission decision-making comprises the QoS that recovers original, and execution in step 409.
Step 409, PD-FE (Visitor) sends initializing resource message to PE-FE (Visitor), so that final QoS decision strategy to be installed;
Step 410, PE-FE (Visitor) installs the final QoS decision strategy from PD-FE (Visitor), and the transmission initializing resource responds to PD-FE (Visitor);
Step 411, PD-FE (Visitor) sends initializing resource and responds to SCF.
Fig. 5 is the flow chart that SCF entity of the present invention is made the QoS of survice recovery policy, and as shown in Figure 5, the flow process that SCF entity of the present invention is made the QoS of survice recovery policy may further comprise the steps:
Step 501, the RACF entity carries out the Resource Availability inspection; The availability inspection can be checked by the cycle of setting, and perhaps checked aperiodically, triggered as passing through concrete request message, initiated as the administrative staff by operator etc.
Step 502, the resource check result of RACF entity are when having idling-resource, and the RACF entity sends a notification message for the SCF entity, carries idle QoS resource information in the message;
Step 503, the SCF entity is according to the notification message of receiving, the customer service of having demoted in the front is carried out the decision-making of QoS resource recovery, particularly, the resource information of QoS of survice is upgraded in the decision-making of SCF entity, the QoS resource of the customer service of having demoted is promoted, to reach the resource criterion of degradation QoS before; When determining that professional QoS resource need be recovered, after receiving user's described service request, in sending to the initializing resource request message of RACF entity, will carry the indication parameter that allows recovery, and the resource information of corresponding QoS etc.If determine that business need not to recover, then after receiving user's described service request, in sending to the initializing resource request message of RACF entity, will carry and not allow the indication parameter that recovers.
Step 504, SCF entity send the business request information of renewal to RACF, carry the QoS resource information of renewal in this message;
Step 505, the RACF entity is admitted control according to the QoS resource information of upgrading.
Flow process shown in Figure 5 is applicable to aforesaid embodiment one to embodiment three.
Fig. 6 as shown in Figure 6, comprises SCF entity 60 and RACF entity 61 for the composition structural representation of resource acceptance control system of the present invention; Wherein,
SCF entity 60 after being used to receive service request, sends resource request message to RACF entity 61; Wherein, carry professional QoS in the described resource request message and recover indication parameter; Wherein, described QoS recovers indication parameter for allowing to recover or do not allow recovery;
RACF entity 61 is used for carrying out the Resource Availability inspection according to described resource request message, and when satisfying the resource requirement of QoS recovery, recovering original QoS when described QoS recovers indication parameter for the permission recovery.
Described RACF entity 61 also is used for: current Resource Availability is checked, and when idling-resource is arranged notice SCF entity 60, SCF entity 60 also is used for: whether the QoS to business recovers to adjudicate according to described idling-resource, and with the QoS recovery indication parameter of court verdict as described business.
Above-mentioned QoS recovers indication parameter and recovers or do not allow to recover for allowing; When described RACF entity 61 recovered indication parameter for the permission recovery at described QoS, whether satisfied professional QoS recovered requirement further to check current resource.
Service request user roaming or when nomadic, described SCF entity 60 sends described resource request message to the RACF of home network entity 61,61 pairs of institutes of RACF entity request resource of home network is verified, and described resource request message is transmitted to the RACF entity 61 of visited network, carrying out availability by 61 pairs of institutes of RACF entity request resource of described visited network checks, checking result according to the RACF entity 61 of availability check result and described home network makes the resource and admission decision-making, and when described QoS recovery indication parameter recovers for permission and satisfies the resource requirement of QoS recovery, recover original QoS;
The RACF entity 61 of described visited network is admitted the result by the RACF entity 61 of described home network and to described SCF entity 60 feedback resources.
Perhaps, service request user roaming or when nomadic, above-mentioned SCF entity 6060 sends described resource request message to the RACF of visited network entity 61,61 pairs of institutes of RACF entity request resource of described visited network is carried out the availability inspection, and described resource request message is transmitted to the RACF entity 61 of home network, verify by 61 pairs of institutes of RACF entity request resource of described home network; The RACF entity 61 of described visited network is made the resource and admission decision-making according to the checking result of the RACF entity 61 of availability check result and described home network, and when described QoS recovery indication parameter recovers for permission and satisfies the resource requirement of QoS recovery, recover original QoS;
The RACF entity 61 of described visited network is admitted the result to described SCF entity 60 feedback resources.
Above-mentioned RACF entity 61 comprises policy deciding functional entity PD-FE and transfer resource controlled function entity TRC-FE; Wherein,
Described PD-FE is used for institute's request resource is verified;
Described TRC-FE is used for institute's request resource is carried out the availability inspection, and makes the resource and admission decision-making according to the checking result of availability check result and described PD-FE.
It will be appreciated by those skilled in the art that resource acceptance control system of the present invention designs for realizing aforesaid resource acceptance control method, the realization function of above-mentioned each network element can be with reference to the associated description of preceding method and is understood.The annexation of each network element can be understood with reference to aforementioned structure chart shown in Figure 1 in the resource acceptance control system of the present invention, just the realization function difference of each network element.
The above is preferred embodiment of the present invention only, is not to be used to limit protection scope of the present invention.

Claims (10)

1. a resource acceptance control method is characterized in that, described method comprises:
Service control function SCF entity sends resource request message to resource accommodating control function RACF entity; Wherein, carry professional service quality QoS in the described resource request message and recover indication parameter; Described QoS recovers indication parameter and recovers or do not allow to recover for allowing;
If described QoS recovers indication parameter when allowing to recover, then described RACF entity carries out the Resource Availability inspection according to the described resource request message that receives and when satisfying the resource requirement that QoS recovers, and the QoS of described business is recovered.
2. method according to claim 1 is characterized in that, described method also comprises:
Described RACF entity is checked current Resource Availability, and when being arranged, idling-resource notifies described SCF entity, whether described SCF entity recovers to adjudicate according to the QoS of described idling-resource to business, and with the QoS recovery indication parameter of court verdict as described business.
3. method according to claim 1 is characterized in that, described method also comprises:
Service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of home network entity, the RACF entity of home network is verified institute's request resource, if then described resource request message is transmitted to the RACF entity of visited network by checking, RACF entity by described visited network carries out the availability inspection to institute's request resource, checking result according to the RACF entity of availability check result and described home network makes the resource and admission decision-making, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result by the RACF entity of described home network and to described SCF entity feedback resources.
4. method according to claim 1 is characterized in that, described method also comprises:
Service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of visited network entity, the RACF entity of described visited network carries out the availability inspection to institute's request resource, and described resource request message is transmitted to the RACF entity of home network, by the RACF entity of described home network institute's request resource is verified; The RACF entity of described visited network is made the resource and admission decision-making according to the checking result of the RACF entity of availability check result and described home network, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result to described SCF entity feedback resources.
5. according to each described method of claim 1 to 4, it is characterized in that described RACF entity comprises policy deciding functional entity PD-FE and transfer resource controlled function entity TRC-FE; Described RACF entity is checked institute's request resource:
Described PD-FE verifies institute's request resource; Described TRC-FE carries out the availability inspection to institute's request resource, and makes the resource and admission decision-making according to the checking result of availability check result and described PD-FE.
6. a resource acceptance control system comprises SCF entity and RACF entity; It is characterized in that,
The SCF entity after being used to receive service request, sends resource request message to the RACF entity; Wherein, carry professional QoS in the described resource request message and recover indication parameter; Wherein, described QoS recovers indication parameter for allowing to recover or do not allow recovery;
The RACF entity is used for recovering indication parameter when allowing to recover at described QoS, carries out the Resource Availability inspection according to described resource request message, and when satisfying the resource requirement that QoS recovers, and the QoS of described business is recovered.
7. system according to claim 6, it is characterized in that, described RACF entity also is used for: current Resource Availability is checked, and when being arranged, idling-resource notifies described SCF entity, described SCF entity also is used for: whether the QoS to business recovers to adjudicate according to described idling-resource, and with the QoS recovery indication parameter of court verdict as described business.
8. system according to claim 6 is characterized in that,
Service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of home network entity, the RACF entity of home network is verified institute's request resource, and described resource request message is transmitted to the RACF entity of visited network, RACF entity by described visited network carries out the availability inspection to institute's request resource, checking result according to the RACF entity of availability check result and described home network makes the resource and admission decision-making, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result by the RACF entity of described home network and to described SCF entity feedback resources.
9. system according to claim 6 is characterized in that,
Service request user roaming or when nomadic, described SCF entity sends described resource request message to the RACF of visited network entity, the RACF entity of described visited network carries out the availability inspection to institute's request resource, and described resource request message is transmitted to the RACF entity of home network, by the RACF entity of described home network institute's request resource is verified; The RACF entity of described visited network is made the resource and admission decision-making according to the checking result of the RACF entity of availability check result and described home network, and when described QoS recovers indication parameter for the resource requirement that allows to recover and satisfy QoS and recover, the QoS of described business is recovered;
The RACF entity of described visited network is admitted the result to described SCF entity feedback resources.
10. according to each described system of claim 6 to 9, it is characterized in that described RACF entity comprises policy deciding functional entity PD-FE and transfer resource controlled function entity TRC-FE; Wherein,
Described PD-FE is used for institute's request resource is verified;
Described TRC-FE is used for institute's request resource is carried out the availability inspection, and makes the resource and admission decision-making according to the checking result of availability check result and described PD-FE.
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