CN102957674B - A kind of resource control method and system for broadband network - Google Patents

A kind of resource control method and system for broadband network Download PDF

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Publication number
CN102957674B
CN102957674B CN201110248124.8A CN201110248124A CN102957674B CN 102957674 B CN102957674 B CN 102957674B CN 201110248124 A CN201110248124 A CN 201110248124A CN 102957674 B CN102957674 B CN 102957674B
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resource
controlled block
application server
request
authentication
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CN102957674A (en
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何晓曦
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ZTE Corp
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ZTE Corp
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Priority to PCT/CN2012/074555 priority patent/WO2013029380A1/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/46Multiprogramming arrangements
    • G06F9/50Allocation of resources, e.g. of the central processing unit [CPU]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/08Network architectures or network communication protocols for network security for authentication of entities

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Software Systems (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Computing Systems (AREA)
  • Computer Security & Cryptography (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Telephonic Communication Services (AREA)
  • Computer And Data Communications (AREA)

Abstract

The invention discloses a kind of resource control method and system for broadband network, by increasing resource controlled block, resource controlled block is set to complete to be interacted with AS resource informations by being registered to AS, after AS receives operation requests, can judge whether to need according to above-mentioned resource information to carry out resource authentication to resource controlled block request, and the operating process of current request is processed accordingly according to the result of resource controlled block authentication process, and at the end of current operating process, AS also sends resource release request to resource controlled block, request release applied with the resource corresponding to the operation requests.Therefore the resource controlled block that the present invention is provided can organically be combined the authentication for completing respective resources with AS, so that AS can carry out resources control under SaaS and PaaS models based on tenant, while improving the versatility of AS, the centrality of resource management is also improved, the complexity and cost of resource management is reduced.

Description

A kind of resource control method and system for broadband network
Technical field
The present invention relates to the communications field, and in particular to a kind of resource control method and system for being applied to broadband network.
Background technology
In existing NGN (Next Generation Network, next generation network) networks and IMS (IP Multimedia System, IP multimedia system) in network, AS (Application Server, application server) is used for real Now it is based on the valued added applications of SIP (Session Initial Protocol, session initiation protocol) agreement.After AS triggering business, The control of the call resources such as incoming call, exhalation and media manipulation is completed according to user signing contract information by business.But in SaaS (Software as a Service, software is service) and PaaS (Platform as a Service, platform is service) mould , it is necessary to carry out service management/certification/resources control/charging by tenant under type, and there is no the concept of tenant in current AS, Resources control cannot be carried out by tenant, if being controlled by business, then need to carry out existing business larger changing Make, increase the cost of service maintenance, and enter to exercise resources control using improved business, cannot also realize the concentration of resource Management, increases the complexity of resource management and the cost of resource management.
The content of the invention
The main technical problem to be solved in the present invention is to provide a kind of resource control method for broadband network and is System, in NGN and IMS network, with reference to existing AS, makes it to carry out resource based on tenant under SaaS and PaaS models Control, while improving the versatility of AS, improves the centrality of resource management, reduces the complexity and cost of resource management.
In order to solve the above technical problems, the present invention provides a kind of resource control method for broadband network, including:
Resource controlled block carries out resource information registration to application server;
After the application server receives operation requests, judge whether to need to resources control according to the resource information Module carries out resource authentication process, if desired, sending resource authentication request to the resource controlled block;
The resource controlled block carries out resource authentication process according to the resource authentication request for receiving, and feeds back authenticating result To the application server, and the application server is allocated resources to when authenticating successfully;
After the application server receives the successful authenticating result of authentication, current request is performed using the resource of distribution Operating process;
And at the end of the operating process of current request, resource release request is sent to resource controlled block, ask resource Control module release applied with the resource corresponding to the operation requests.
In an embodiment of the present invention, during the resource controlled block is to the application server registers, when When the resource information can not once be sent to application server and complete all registrations, resource controlled block is by the resource information Split into multiple bags and be sequentially sent to application server and registered.
In an embodiment of the present invention, the resource authentication request carries calling number, called number, access Code, service key, resource type.
In an embodiment of the present invention, the resource information includes service key and resource type.
In an embodiment of the present invention, the resource type includes:Incoming call, exhalation resource and media manipulation resource.
In an embodiment of the present invention, after the resource controlled block is to application server registers success, also wrap Include:The resource controlled block initiates heartbeat detection process step to the application server;The application server is to described When resource controlled block initiates authentication request, the whether successful step also including judging heartbeat detection, during heartbeat detection success, institute State application server and just initiate resource authentication request to resource controlled block.
In an embodiment of the present invention, when heartbeat detection fails, the resource controlled block takes to the application Business device sends the resource information and re-starts registration until succeeding in registration.
In an embodiment of the present invention, authenticated when the application server sends resource to the resource controlled block During request, also including the process step for hanging up the operating process of current request, the resource controlled block feedback is being received Authenticating result be that the application server recovers current operation flow when successfully;Otherwise, the application server stops current Operating process.
In an embodiment of the present invention, authenticated if the application server sends resource to the resource controlled block After request, when the authenticating result of resource management module feedback is not received within the default time, then it is judged as failed authentication, stops Current operating process.
In an embodiment of the present invention, after being succeeded in registration to AS, resource controlled block is to AS for resource controlled block The resource inquiry request comprising resource identification is sent, AS is carried out according to the resource identification included in the resource inquiry request for receiving The inquiry of respective resources.
Present invention also offers a kind of resource control system for broadband network, including the resources control mould being connected with each other Block and application server:
The resource controlled block is used to carry out resource information registration to the application server;Receive the application clothes Resource authentication is carried out after the resource authentication request that business device sends, authenticating result application server is sent to, and authenticating successfully When, allocate resources to the application server;It is additionally operable to after the resource release request that the application server sends is received, Discharge corresponding resource;
The application server is used to respond the registration of the resource controlled block;According to institute after operation requests are received State resource information to judge to need when carrying out resource authentication process to the resource controlled block, sent to the resource controlled block Resource authentication request;After being additionally operable to receive the authenticating result that the resource controlled block feeds back, to the operation stream of current request Cheng Jinhang is processed accordingly, and at the end of current operation flow, release resource request is sent to the resource controlled block.
In an embodiment of the present invention, the resource controlled block is additionally operable to application server registers success Afterwards, heartbeat detection process step is initiated to application server, and when heartbeat detection fails, sends described to the application server Resource information re-starts registration until succeeding in registration.
The beneficial effects of the invention are as follows:The present invention makes resource by increasing resource controlled block in the broadband network Control module completes to be interacted with AS resource informations by being registered to AS, after AS receives corresponding operation requests, can be according to the money Source information judges whether that resource authentication process need to be carried out to resource controlled block, when authentication process is needed, to resources control mould Block sends authentication request, and resource controlled block carries out authentication process, authenticating result is fed back into AS after receiving the authentication request, And allocating resources to AS when authenticating successfully, AS receives the operating process that authentication successfully performs current request after feedback, and At the end of current operating process, resource release request is sent to resource controlled block, ask release having applied and the behaviour Ask corresponding resource.Therefore the resource controlled block that the present invention is provided can organically be combined with AS completes respective resources Authentication so that AS can carry out resources control under SaaS and PaaS models based on tenant, improve AS versatility it is same When, the centrality of resource management is also improved, reduce the complexity and cost of resource management.
Brief description of the drawings
The flow chart that Fig. 1 is registered for the resource controlled block of an embodiment of the present invention to AS;
Fig. 2 is the resource controlled block of an embodiment of the present invention actively to the flow chart of AS query resources;
Fig. 3 is the resource control system structural representation of an embodiment of the present invention;
Fig. 4 carries out the flow chart of resources control for the AS of an embodiment of the present invention to incoming call, exhalation resource;
Fig. 5 carries out the flow chart of resources control for the AS of an embodiment of the present invention to media manipulation resource.
Specific embodiment
The present invention makes it be organically combined with the AS based on Session Initiation Protocol by increasing resource controlled block, realizes the mirror of resource Power, management.Make existing AS also to realize carrying out resources control based on tenant under SaaS and PaaS models, improve AS's While versatility, the centrality of resource management is also improved, reduce the complexity and cost of resource management.Below by tool Body implementation method combination accompanying drawing is described in further detail to the present invention.
The resource control method for being used for broadband network in this example mainly may include following steps:
Resource controlled block carries out resource information registration to AS first, and registration is judged after the response that AS succeeds in registration is received Success;
After AS receives operation requests, judged whether to need to carry out resource to resource controlled block according to above-mentioned resource information Authentication process, if desired, sending resource authentication request to the resource controlled block;
The resource controlled block carries out resource authentication process according to the resource authentication request for receiving, and feeds back authenticating result To application server, and application server is allocated resources to when authenticating successfully;
After application server receives the successful authenticating result of authentication, current request is performed using the resource of above-mentioned distribution Operating process;And at the end of the operating process of current request, resource release request is sent to resource controlled block, ask resource Control module release applied with the resource corresponding to the operation requests.
Service key from resource controlled block to AS and resource type that resource information in this example is registered including.Specifically, please Referring to Fig. 1, resource controlled block includes to the process that AS carries out resource information registration:
Resource controlled block is first to AS initiating equipment registration requests;
After AS receives facility registration request, what feedback device succeeded in registration responds to resource controlled block;
Resource controlled block receive AS feedback facility registration successfully response after, to AS initiate service key registration and Resource type is registered;
After AS receives the registration of corresponding service key and resource type log-on message, the response that feedback succeeds in registration to resource Control module, after resource controlled block receives the feedback, it is determined that being successfully registered on AS.
In this example, in resource controlled block is to AS registration processes, completed when resource information can not disposably be sent to AS All during registration, resource information can be split into multiple bags by resource controlled block, then sequentially be sent to AS to complete whole notes Volume, when each bag is sent in this example, it is necessary to which waiting AS to feed back after a registration for bag is responded could continue to send.I.e. originally Allow resource controlled block to initiate multiple resource information in example to register, therefore resource controlled block in this example can be supported more Service key and resource type are registered, and traffic handing capacity is stronger.
Resource type in this example includes incoming call, exhalation resource type and media manipulation resource type, wherein media manipulation Specifically may include TTS (Text To Speech, text voice), Fax (fax), ASR (Automatic Speech Recognition, automatic speech recognition) etc. media manipulation.
In this example, when AS judges to need the operation to resource controlled block to being currently received to ask according to above-mentioned resource information Ask when carrying out authentication process, AS hangs up current operation flow, and resource authentication request, Ran Hougen are sent to resource controlled block The authenticating result fed back according to resource controlled block is processed current operation flow accordingly, the resource mirror that AS sends in this example Power request can carry calling number, called number, service key, resource type and access code.Resource controlled block receives this After resource authentication request, authentication process is carried out according to the resource authentication request, and authentication process result is fed back into AS, specifically , after resource controlled block receives resource authentication request, determined to need to carry out third party's business of resource authentication according to service key, Determine whether such resource quantity that the business takes exceeds allocation limit further according to resource type, lost if authentication is returned if Lose, returned if success and authenticated successfully.Calling number, called number and access code in this example in authentication request are used in resource Control module determines the resource shared by business and is discharged when receiving resource release request.Distribution and behaviour when authenticating successfully Make the corresponding resource of request to AS, after AS receives the successful authenticating result of authentication of resource controlled block feedback, recover current The operating process of hang-up, continues executing with follow-up flow, and otherwise, the authenticating result that AS is received is failed authentication, and AS stops working as Preceding operating process, and refuse the information of calling or reporting service operation failure according to resource type.
In this example, if after AS have sent resource authentication request to resource controlled block, mirror is not received within the default time During power result, then it is judged as failed authentication, stops current operating process, and calling or reporting service are refused according to resource type The information of operation failure.Using this mechanism, can more flexible, the effective corresponding resource of control.
In this example, resource controlled block can also inquire about phase according to actual conditions active after being succeeded in registration to AS to AS The resource answered, refers to Fig. 2, specific as follows:Resource controlled block sends the resource inquiry request comprising resource identification, AS to AS Resource identification according to being included in the resource inquiry request for receiving carries out the inquiry of respective resources.Resource identification in this example is The Serial No. for being produced by resource controlled block for a string, for unique mark AS to the successful resource of resource controlled block application, And resource determined by a resource identification must belong to a certain registered resource type.The each resource bid successes of AS Afterwards, the resource information that will apply, including resource type, calling and called number, access code, service key are preserved with resource identification Form is stored in Hash table.When each operating process terminates release resource, respective resources mark is just deleted from Hash table.Cause This is searched according to the resource identification included in the request when AS receives resource inquiry request in Hash table, if finding correspondence Resource identification, then it is assumed that the resource of inquiry is occupied, is replied during the resource is currently in use to resource controlled block;Otherwise reply It is not used.Can effectively prevent a certain resource from not run and long-time normally due to AS by above-mentioned active inquiry flow in this example It is occupied not discharge, so as to cause the wasting of resources.
After resource controlled block succeeds in registration to AS in this example, by by the lasting transmission repeated to AS of default rule Whether heartbeat detection message is normal to detect the working condition of both sides.In heartbeat detection success, and through judging to need to resource control When molding block carries out resource authentication process, AS just initiates resource authentication request to resource controlled block.If heartbeat detection fails, AS In subsequently received operation requests, with regard to not carrying out resource authentication process to resource controlled block, but directly perform current The flow of request.When heartbeat detection fails, resource controlled block can also to the AS re-transmission resource information to be re-registered, Until succeeding in registration.For example:
When AS does not receive heartbeat detection message always within the default time period, then it is assumed that now resource controlled block is sent out Raw failure, it is believed that heartbeat detection fails, therefore AS no longer initiates resource authentication request to resource controlled block, now receives The operating process of all requests will not be suspended again, until receiving heartbeat detection message again in subsequent process as AS, Resource authentication functions are just reopened, the authorizing procedure of respective resources is proceeded as stated above.Again for example:Work as resources control Module continues to exceed default n times and sends the response that AS is not all received after heartbeat detection message, then judge the AS exceptions, is also considered as Heartbeat detection fails, and now resource controlled block re-starts registration until succeeding in registration to the AS re-transmission resource information.
This example additionally provides a kind of resource control system for broadband network, refers to Fig. 3, including money as described above Source control module and AS, resource controlled block and AS are connected with each other, as long as the two keeps communication connection in this example;Resource control Molding block is used to carry out resource information registration to AS;Resource authentication is carried out after the resource authentication request for receiving AS transmissions, and will Authenticating result is sent to AS;And when authenticating successfully, allocate resources to AS;It is additionally operable to receiving the application server transmission Resource release request after, discharge corresponding resource;
AS in this example is used for the registration of resource response control module;Believed according to above-mentioned resource after operation requests are received When breath judges to need to carry out resource authentication process to resource controlled block, sending resource authentication to the resource controlled block please Ask;After being additionally operable to receive the authenticating result that the resource controlled block feeds back, the operating process to current request is carried out accordingly Treatment, and at the end of current operation flow, send release resource request to resource controlled block to ask release with operation The corresponding resource applied of request.
System in this example also includes the business module and media server MS that are connected with AS, and the user being connected with AS Terminal A and user terminal B.User terminal incoming call in this example sends media manipulation to user B and AS to AS, AS exhalation to MS During request, AS is both needed to send resource authentication application to resource controlled block.Separately below with incoming call, exhalation operation requests and media The present invention will be further described as a example by operation requests.
Fig. 4 is referred to, the figure is the flow chart that AS carries out resources control to incoming call, exhalation resource, through the mistake shown in Fig. 1 It is further comprising the steps of after resource controlled block is successfully registered on AS after journey:
AS receives the call-in operation request of user terminal A initiation, and AS receives request rear line terminal A feedbacks and receives this The response of request;
The service key and resource type that AS is registered according to resource controlled block judge that call-in operation request need to be to resource Control module carries out resource authentication process, and AS hangs up the call-in operation flow, and sending resource authentication to resource controlled block please Ask, the request includes access code, calling and called number, the information such as service key and resource type;
Resource controlled block carries out resource authentication process according to the resource authentication request for receiving, and authentication is successfully tied Fruit feeds back to AS, while distributing corresponding incoming call resource to AS;
After AS receives the successful result of authentication, recover the call-in operation flow;
Business module issues the business that the operation requests of outgoing call user terminal B are registered to AS, AS according to resource controlled block Key and resource type judge that the exhalation operation of current request need to carry out resource authentication process to it by resource controlled block, and AS will The exhalation flow is hung up, and resource authentication request is sent to resource controlled block, and access code, calling and called are equally included in the request The information such as number, service key and resource type;
Message control module will authenticate successful result and feed back to AS, and distribute corresponding exhalation resource to AS, and AS is received After recover the exhalation operating process, to callee be user terminal B send call request connect, user terminal B receive should ask After asking, feedback one responds to AS, and after user's off-hook, feeds back to the message that AS has received the call request, and AS will The message feedback starts call to user terminal A, user terminal A and user terminal B;
When the call ends, user terminal A sends release resource request to AS, and AS feeds back one and responds to user terminal A, And resource release request is sent to resource management module, discharge the incoming call resource of application;
Meanwhile, AS notifies user terminal B end of conversations, and user terminal B feeds back a response, and feeds back release resource request To AS, AS sends resource release request to resource management module, discharges the exhalation resource of application.
Fig. 5 is referred to, the figure is the flow chart that AS carries out resources control to media manipulation resource, MS can be Session Initiation Protocol Or MGCP agreements, this example carries out a step explanation, after through the process shown in Fig. 1, resources control by taking the MS of Session Initiation Protocol as an example It is further comprising the steps of after module is successfully registered on AS:
After user terminal A incoming call, business module gives user terminal A playback, and issuing media manipulation to AS asks;
The service key and resource type that AS is registered according to resource controlled block judge that current media manipulation request need to be by Resource controlled block carries out resource authentication process to it, and AS hangs up the media manipulation flow, is sent to resource controlled block and provided Source authentication request;
After resource processing module receives the resource authentication request, authentication process is carried out to it, and by authentication process result AS is fed back to, while distributing corresponding media manipulation resource to AS;
After AS receives the successful result of authentication, recover the media manipulation flow, notify that media server is put to user terminal A Sound;
At the end of media manipulation, AS sends release resource request, the media that request release has been applied to resource controlled block Operating resource.
In summary, the present invention is by increasing resource controlled block, make resource controlled block by register to AS complete with AS resource informations are interacted, and after AS receives operation requests, can judge whether to need to resource controlled block according to above-mentioned resource information Request carries out resource authentication, and the operating process of current request is carried out accordingly according to the result of resource controlled block authentication process Treatment, and at the end of current operating process, AS also sends resource release request to resource controlled block, and request release is Application with the resource corresponding to the operation requests.Therefore the resource controlled block that the present invention is provided can organically be combined with AS The authentication of respective resources is completed, so that AS can carry out resources control under SaaS and PaaS models based on tenant, is improved While the versatility of AS, the centrality of resource management is also improved, reduce the complexity and cost of resource management.
Above content is to combine specific embodiment further description made for the present invention, it is impossible to assert this hair Bright specific implementation is confined to these explanations.For general technical staff of the technical field of the invention, do not taking off On the premise of present inventive concept, some simple deduction or replace can also be made, should all be considered as belonging to protection of the invention Scope.

Claims (11)

1. a kind of resource control method for broadband network, it is characterised in that including:
Resource controlled block carries out resource information registration to application server, and the resource information includes service key and resources-type Type;
After the application server receives operation requests, judge whether to need to resource controlled block according to the resource information Resource authentication process is carried out, if desired, sending resource authentication request to the resource controlled block;
After the resource controlled block receives resource authentication request, determined to need to carry out resource authentication according to the service key Third party's business, determines whether such resource quantity that the business takes exceeds allocation limit further according to the resource type, if Beyond failed authentication is then returned to the application server, authenticated successfully to the application server if being returned without departing from if, and The application server is allocated resources to when authenticating successfully;
After the application server receives the successful authenticating result of authentication, the operation stream of current request is performed using the resource Journey;And at the end of the operating process of current request, resource release request is sent to resource controlled block, ask resources control mould Block release applied with the resource corresponding to the operation requests.
2. the method for claim 1, it is characterised in that the resource controlled block is to the application server registers mistake Cheng Zhong, when the resource information can not once be sent to application server completes all registrations, resource controlled block will be described Resource information splits into multiple bags and is sequentially sent to application server to be registered.
3. the method for claim 1, it is characterised in that the resource authentication request carries calling number, called number Code, access code, service key, resource type.
4. the method for claim 1, it is characterised in that the resource type includes:Incoming call, exhalation resource and media behaviour Make resource.
5. the method as described in claim any one of 1-4, it is characterised in that when the resource controlled block is to application server After succeeding in registration, also include:The resource controlled block initiates heartbeat detection process step to the application server;It is described to answer When initiating authentication request to the resource controlled block with server, whether successful step, the heart also including judging heartbeat detection Jump detects when successfully that the application server just initiates resource authentication request to resource controlled block.
6. method as claimed in claim 5, it is characterised in that when heartbeat detection fails, the resource controlled block is to institute State the application server transmission resource information and re-start registration until succeeding in registration.
7. the method as described in claim any one of 1-4, it is characterised in that when the application server is to the resources control It is described receiving also including the process step for hanging up the operating process of current request when module sends resource authentication request The authenticating result of resource controlled block feedback is that when successfully, the application server recovers current operation flow;Otherwise, it is described to answer Stop current operation flow with server.
8. the method as described in claim any one of 1-4, it is characterised in that if the application server is to the resources control After module sends resource authentication request, when the authenticating result of resource management module feedback is not received within the default time, then sentence It is failed authentication to break, and stops current operating process.
9. the method as described in claim any one of 1-4, it is characterised in that resource controlled block after being succeeded in registration to AS, Resource controlled block sends the resource inquiry request comprising resource identification to AS, and AS is wrapped according in the resource inquiry request for receiving The resource identification for containing carries out the inquiry of respective resources.
10. a kind of resource control system for broadband network, it is characterised in that including the resource controlled block that is connected with each other and Application server:
The resource controlled block is used to carry out resource information registration to the application server, and the resource information includes business Key and resource type;After receiving the resource authentication request that the application server sends, needs are determined according to the service key Third party's business of resource authentication is carried out, determines whether such resource quantity that the business takes surpasses further according to the resource type Go out allocation limit, if failed authentication is returned if to the application server, authenticated successfully to described if being returned without departing from if Application server, and when authenticating successfully, allocate resources to the application server;It is additionally operable to receiving the application service After the resource release request that device sends, corresponding resource is discharged;
The application server is used to respond the registration of the resource controlled block;According to the money after operation requests are received When source information judges to need to carry out resource authentication process to the resource controlled block, resource is sent to the resource controlled block Authentication request;After being additionally operable to receive the authenticating result that the resource controlled block feeds back, the operating process to current request is entered The corresponding treatment of row, and at the end of current operation flow, release resource request is sent to the resource controlled block.
11. systems as claimed in claim 10, it is characterised in that the resource controlled block is additionally operable to application server After succeeding in registration, heartbeat detection process step is initiated to application server, and when heartbeat detection fails, to the application service Device sends the resource information and re-starts registration until succeeding in registration.
CN201110248124.8A 2011-08-26 2011-08-26 A kind of resource control method and system for broadband network Active CN102957674B (en)

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PCT/CN2012/074555 WO2013029380A1 (en) 2011-08-26 2012-04-23 Resource control method and system for broadband network

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CN105516215B (en) * 2014-09-22 2018-11-16 阿里巴巴集团控股有限公司 Asynchronous invoking method and device
CN104980441A (en) * 2015-06-26 2015-10-14 浪潮软件股份有限公司 Tenant authentication mechanism realizing method

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CN101030961A (en) * 2006-03-02 2007-09-05 华为技术有限公司 Method and system for realizing time-transferring TV-set service based on NGN network
CN101345750A (en) * 2007-07-11 2009-01-14 株式会社日立制作所 Communication control system for providing service by using policy

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CN101026462A (en) * 2006-02-20 2007-08-29 华为技术有限公司 Method and system for realizing flow media business in NGN
CN101030961A (en) * 2006-03-02 2007-09-05 华为技术有限公司 Method and system for realizing time-transferring TV-set service based on NGN network
CN101345750A (en) * 2007-07-11 2009-01-14 株式会社日立制作所 Communication control system for providing service by using policy

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