WO2018025079A1 - Procédé et dispositif pour déterminer une chaîne de service pour un utilisateur - Google Patents

Procédé et dispositif pour déterminer une chaîne de service pour un utilisateur Download PDF

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Publication number
WO2018025079A1
WO2018025079A1 PCT/IB2017/001085 IB2017001085W WO2018025079A1 WO 2018025079 A1 WO2018025079 A1 WO 2018025079A1 IB 2017001085 W IB2017001085 W IB 2017001085W WO 2018025079 A1 WO2018025079 A1 WO 2018025079A1
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WO
WIPO (PCT)
Prior art keywords
service chain
fee
request
service
user
Prior art date
Application number
PCT/IB2017/001085
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English (en)
Chinese (zh)
Inventor
汪治
蔡亦钢
Original Assignee
阿尔卡特朗讯
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 阿尔卡特朗讯 filed Critical 阿尔卡特朗讯
Publication of WO2018025079A1 publication Critical patent/WO2018025079A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • H04L12/1407—Policy-and-charging control [PCC] architecture
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/02—Details
    • H04L12/14—Charging, metering or billing arrangements for data wireline or wireless communications
    • H04L12/1403—Architecture for metering, charging or billing
    • 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
    • H04L41/08—Configuration management of networks or network elements
    • H04L41/0893—Assignment of logical groups to network elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic control in data switching networks
    • H04L47/10—Flow control; Congestion control
    • H04L47/20—Traffic policing
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/64—On-line charging system [OCS]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/66—Policy and charging system
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M15/00—Arrangements for metering, time-control or time indication ; Metering, charging or billing arrangements for voice wireline or wireless communications, e.g. VoIP
    • H04M15/80—Rating or billing plans; Tariff determination aspects
    • H04M15/8044—Least cost routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/24—Accounting or billing

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a technology for providing services to users. Background technique
  • the UE When the UE accesses the network, it uses various services in the network.
  • the data stream When the data stream is transmitted in the network, it needs to go through various service nodes to ensure that the network can provide users with security, fast, and stable according to design requirements.
  • Internet service When the data flows pass through these service nodes (mainly security devices such as firewalls, load balancing, etc.) in the order in which they are required by the business logic, this is the Service Chain.
  • a service chain can be understood as a form of business.
  • a method for determining a service chain for a user in a PCRF comprising the steps of: transmitting a service to an OCS in response to an IP-CAN session establishment request from the user a chain fee request, which includes an identifier of all possible service chains corresponding to the user; receiving a service chain fee request reply from the OCS, where the fee information corresponding to each service chain is included; Determining, according to the cost information corresponding to each service chain, an optimal service chain corresponding to the user; sending a service chain policy request to the PCEF, where the optimal service chain is included, and the PCEF is according to the optimal The service chain controls the data flow of the user.
  • the method further comprises: sending a fee change subscription request to the OCS, to instruct the OCS to send a notification to the PCRF when a fee of the service chain changes; receiving a fee change notification from the OCS, which includes And indicating, by the fee change notification, the optimal service chain corresponding to the user, and sending a service chain policy update request to the PCEF, where the Re-determined optimal service chain, the PCEF # re-determined optimal service chain controls the data flow of the user.
  • the service chain fee request further includes an identifier of a data stream, the all possible service chain corresponding to the data stream of the user.
  • the service chain fee request further includes information of each service node in the newly created service chain.
  • the fee change subscription request includes an event that causes a change in a service chain fee
  • the event that causes a change in the service chain fee includes at least one of the following: insufficient balance, increased rate, reduced rate, fee The rate is above or below a certain threshold.
  • a method for determining a service chain for a user in an OCS comprising the steps of: receiving a service chain fee request from a PCRF, wherein a user corresponding Identification of all possible service chains; sending a service chain fee request to the PCRF, which includes fee information corresponding to each of the service chains.
  • the method further comprises: receiving a fee change subscription request from the PCRF, the request instructing the OCS to send a notification to the PCRF when a fee of the service chain changes; sending a fee to the PCRF A change notification, which includes indication information that the fee information of the service chain has changed.
  • the service chain fee request further includes an identifier of a data stream, the all possible service chain corresponding to the data stream of the user.
  • the service chain fee request further includes each of the newly created service chains Information about the service node.
  • an apparatus for determining a service chain for a user in a PCRF comprising: first transmitting means for responding to an IP-CAN session establishment request from the user Sending a service chain fee request to the OCS, where the identifier of all possible service chains corresponding to the user is included; the first receiving device is configured to receive a service chain fee request reply from the OCS, where the Cost information corresponding to the service chain; determining means, configured to determine an optimal service chain corresponding to the user according to the fee information corresponding to each service chain; and second sending means, configured to send a service chain policy to the PCEF
  • the request includes the optimal service chain, and the PCEF controls the data flow of the user according to the optimal service chain.
  • the device further includes: a third sending device, configured to send a fee change subscription request to the OCS, to instruct the OCS to send a notification to the PCRF when a fee of the service chain changes; And for receiving a fee change notification from the OCS, where the indication information that the cost of the service chain has changed is included; the determining device is further configured to: re-determine the optimal service corresponding to the user according to the fee change notification a fourth sending device, configured to send a service chain policy update request to the PCEF, where the re-determined optimal service chain is included, where the PCEF controls the user according to the re-determined optimal service chain The data stream.
  • a third sending device configured to send a fee change subscription request to the OCS, to instruct the OCS to send a notification to the PCRF when a fee of the service chain changes
  • the determining device is further configured to: re-determine the optimal service corresponding to the user according to the fee change notification
  • a fourth sending device configured to send a service chain policy update request to the PC
  • the service chain fee request further includes an identifier of a data stream, the all possible service chain corresponding to the data stream of the user.
  • the fee change subscription request includes an event that causes a change in a service chain fee
  • the event that causes a change in the service chain fee includes at least one of the following: insufficient balance, increased rate, reduced rate, fee The rate is above or below a certain threshold.
  • an apparatus for determining a service chain for a user in an OCS comprising: a third receiving apparatus, configured to receive a service chain fee request from a PCRF, wherein the The identifier of all the possible service chains corresponding to the user; the fifth sending device, configured to send a service chain fee request to the PCRF, where the fee information corresponding to each service chain is included.
  • the device further includes: a fourth receiving device, configured to receive from the The fee change subscription request of the PCRF, the request instructing the OCS to send a notification to the PCRF when the fee of the service chain changes; the sixth sending device, configured to send a fee change notification to the PCRF, where An indication that the cost information of the service chain has changed.
  • a fourth receiving device configured to receive from the The fee change subscription request of the PCRF, the request instructing the OCS to send a notification to the PCRF when the fee of the service chain changes
  • the sixth sending device configured to send a fee change notification to the PCRF, where An indication that the cost information of the service chain has changed.
  • the PCRF determines the user's optimal service chain based on the cost information from the OCS, and can dynamically update the optimal service chain to ensure the user's use.
  • the service chain is cost-effective, saving users' costs and meeting the needs of end users to enjoy network services at the lowest possible cost.
  • the service chain selection based on charging information can meet the needs of operators to provide network services at the lowest cost, achieve the maximum possible reduction of network operating costs, to achieve the maximum output of network resources, and ultimately realize resources. Optimization and maximization of benefits.
  • FIG. 1 shows an application scenario diagram according to an embodiment of the present invention
  • FIG. 2 shows a schematic diagram of a process for determining a service chain for a user, in accordance with one embodiment of the present invention
  • FIG. 3 shows a schematic diagram of an apparatus for determining a service chain for a user in a PCRF, in accordance with one embodiment of the present invention
  • FIG. 4 shows a schematic diagram of an apparatus for determining a service chain for a user in an OCS, in accordance with one embodiment of the present invention.
  • the invention enhances the Sy interface between the PCRF and the OCS, and the PCRF can obtain the cost information of the service chain from the OCS, and determine the optimal service chain according to the obtained fee information.
  • FIG. 1 shows an application scenario diagram in accordance with one embodiment of the present invention.
  • the UE 101 can access the Internet network 1A through the two monthly service chains shown in the figure.
  • the two service chains are the service chain 1 and the service chain 2, respectively, and the functions provided by the two service chains are completely identical.
  • FIG. 2 shows a schematic diagram of a process for determining a service chain for a user, in accordance with one embodiment of the present invention.
  • the process begins with the IP-CAN session establishment process initiated by UE101. See the 3GPP standard TS23.203 for detailed IP-CAN session establishment procedures.
  • step S201 the PCRF 104 receives an IP-CAN session establishment request from the UE 101.
  • the PCRF 104 determines all possible service chains corresponding to the UE 101.
  • PCRF 104 determines that all possible service chains corresponding to UE 101 are Service Chain 1 and Service Chain 2.
  • step S202 the PCRF 104 sends a service chain fee request to the OCS 105, which contains all of the possible service chains identified above.
  • the PCRF 104 can specify the identity of these transaction chains in a new AVP Service-Chain-Identifier-List.
  • the service chain fee request further includes an identification of a data stream of the UE 101 to indicate that the service chain corresponds to the particular data stream.
  • UE 101 may correspond to multiple data streams, and different data streams may require different network functions, so different data streams may correspond to different service chains.
  • the PCRF 104 may also create a new monthly service chain for the UE 101, including the service node charges of the newly created service chain in the service chain fee request sent by the PCRF 104 to the OCS 105.
  • the PCRF 104 can specify the identity of these service nodes in a new AVP Service-Node-Identifier-List.
  • the OCS 105 can obtain the service chain requested by the PCRF 104 through these service nodes.
  • step S203 the OCS 105 sends a service chain fee to the PCRF 104.
  • Request a reply which contains the cost information corresponding to each of the above service chains.
  • the OCS 105 can set a preferred value for each service chain based on its own judgment and indicate the preferred value for each service chain in the service chain fee request reply.
  • the PCRF 104 determines the optimal service chain corresponding to the UE 101 according to the cost information corresponding to each service chain.
  • the PCRF 104 considers the information about the service from the SPR and the current network status in addition to the cost information corresponding to each service chain. If the service chain fee request response also includes the preferred value corresponding to each service chain, the PCRF 104 will also consider its corresponding preferred value when determining the optimal service chain.
  • Tables 1 and 2 respectively exemplarily list the fee information corresponding to the service chain 1 and the service chain 2 that the OCS 105 transmits to the PCRF 104 according to an embodiment of the present invention.
  • the cost of the service chain 2 is urgent. According to the fee information, if the data flow request of the UE 101 occurs when the network is idle, the PCRF 104 determines the service chain 1 as an optimal service chain, and if the data flow request of the UE 101 occurs when the network is busy, PCRF 104 will identify service chain 2 as the optimal service chain, which will save money.
  • step S205 the PCRF 104 sends a service chain policy request to the PCEF 102, which contains the above determined optimal service chain.
  • the PCEF 102 controls the data flow of the UE 101 according to the optimal service chain, that is, routes the data flow based on the optimal service chain. In this way, the routing of data from UE101 can be guaranteed to be the lowest cost. And it is also the best for the network.
  • the PCRF 104 subscribes to the OCS 105 for changes in the cost of the service chain to instruct the OCS 105 to send a notification to the PCRF 104 when the cost of the above service chain changes.
  • the PCRF 104 can subscribe to the OCS 105 for events that cause changes in the cost of the service chain or subscribe to the latest fee information, as shown in step S206 in the figure.
  • the PCRF 104 transmits a fee change subscription request to the OCS 105.
  • the fee change subscription request includes an event that causes a change in the cost of the service chain. These events can be at least one of the following: insufficient balance, increased rates, reduced rates, rates above or below a certain threshold, and so on.
  • the OCS 105 Upon receiving the subscription request, the OCS 105 monitors the cost of the subscribed service chain and reports it to the PCRF 104 as soon as it detects a change in the cost of a service chain. In step S207, the OCS 105 transmits a fee change notification to the PCRF 104, which contains indication information that the fee of the service chain has changed.
  • the fee change notification includes the above monitored events that cause a change in the cost of the service chain.
  • the fee change notification may further include the latest fee information of the service chain.
  • step S208 the PCRF104# receives the fee change notification to re-determine the optimal service chain.
  • PCRF104 # is the information in the above fee change notification, and re-determines an optimal service chain based on information such as user information from SPR and current network status.
  • PCRF 104 may subscribe to OCS 105 for an event: Service Chain 1 has a rate greater than $1.5/Gb, and PCRF 104 may re-determine the optimal service chain as a service when PCRF 104 learns that service chain 1 rate is updated to greater than $1.5/Gb. Chain 2.
  • the PCRF 104 notifies the PCEF 102 of the re-determined optimal service chain.
  • the PCRF 104 sends a chain policy update request to the PCEF 102, which includes the updated optimal service chain.
  • the PCEF 102 controls the data flow of the UE 101 according to the updated optimal service chain, that is, routes the data flow based on the updated optimal service chain. In this way, dynamic management of the service chain can be implemented.
  • the PCRF can re-determine the optimal service chain according to the real-time information, thereby ensuring that the service chain used by the UE 101 is optimal at the current time. , It saves users' costs and can also win more benefits for operators.
  • FIG. 3 shows a schematic diagram of an apparatus for determining a service chain for a user in a PCRF 104 in accordance with one embodiment of the present invention.
  • the apparatus 300 includes: a first transmitting device 301, a first receiving device 302, a determining device 303, and a second transmitting device 304.
  • the PCRF 104 receives an IP-CAN session establishment request from the UE 101. In response to the request, the PCRF 104 determines all possible service chains corresponding to the UE 101. In this embodiment, the PCRF 104 determines that all possible service chains corresponding to the UE 101 are the monthly service chain 1 and the service chain 2.
  • the first transmitting device 301 then sends a service chain fee request to the OCS 105, which contains all of the possible service chains identified above.
  • the first transmitting device 301 can specify the identity of these transaction chains in a new AVP Service-Chain-Identifier-List.
  • the service chain fee request further includes an identification of a data stream of the UE 101 to indicate that the service chain corresponds to the particular data stream.
  • UE 101 may correspond to multiple data streams, and different data streams may require different network functions, so different data streams may correspond to different service chains.
  • the PCRF 104 may also create a new monthly service chain for the UE 101, including the service nodes of the newly created service chain in the service chain fee request sent by the first transmitting device 301 to the OCS 105.
  • the first transmitting device 301 can specify the identity of these service nodes in a new AVP Service-Node-Identifier-List.
  • the OCS 105 can obtain the service chain requested by the PCRF 104 through these service nodes.
  • the first receiving device 302 receives the service chain fee request response sent from the OCS 105, and includes the fee information corresponding to each of the service chains.
  • the OCS 105 can set a preferred value for each service chain based on its own judgment and indicate a preferred value for each service chain in the service chain fee request reply.
  • the determining device 303 determines the optimal service chain corresponding to the UE 101 according to the fee information corresponding to each service chain.
  • the determining device 303 considers the cost information corresponding to each service chain, and comprehensively considers the use of the SPR. Information such as user information and current network status. If the service chain fee request reply also includes a preferred value corresponding to each service chain, the determining means 303 will also consider its corresponding preferred value when determining the optimal service chain.
  • Tables 1 and 2 above exemplarily list the fee information corresponding to the service chain 1 and the service chain 2 that the OCS 105 transmits to the PCRF 104 according to an embodiment of the present invention.
  • the determining device 303 determines the service chain 1 as the optimal service chain, and if the data flow request of the UE 101 occurs when the network is busy, the determining device 303 will Service chain 2 is identified as the optimal service chain, which saves money.
  • the second transmitting device 304 then sends a service chain policy request to the PCEF 102 containing the determined optimal service chain. Subsequently, the PCEF 102 controls the data stream of the UE 101 according to the optimal service chain, that is, routes the data stream based on the optimal service chain. In this way, the routing of data from the UE 101 can be guaranteed to be the lowest cost, and is also optimal for the network.
  • the apparatus further includes: a third transmitting device 305 (not shown), a second receiving device 306 (not shown), and a fourth transmitting device 307 (not shown) .
  • the PCRF 104 subscribes to the OCS 105 for changes in the cost of the service chain to instruct the OCS 105 to send a notification to the PCRF 104 when the cost of the above service chain changes.
  • the PCRF 104 may subscribe to the OCS 105 for an event causing a change in the cost of the service chain or subscribe to the latest fee information, and the third transmitting device 305 transmits a fee change subscription request to the OCS 105.
  • the fee change subscription request includes an event that causes a change in the cost of the service chain. These events can be at least one of the following: insufficient balance, increased rates, reduced rates, rates above or below a certain threshold, and so on.
  • the second receiving device 306 receives the fee change notification from the OCS 105, which contains indication information that the fee of the service chain has changed.
  • the fee change notification includes the above-mentioned monitored events that cause changes in the cost of the service chain.
  • the fee change notification may further include the latest fee information of the service chain.
  • the determining means 303 re-determines the optimal according to the received fee change notification.
  • Service chain The determining means 303 re-determines an optimal service chain based on the information in the above fee change notification and comprehensively considering information such as user information from the SPR and the current network status.
  • the PCRF 104 may subscribe to the OCS 105 for an event: the rate of the service chain 1 is greater than $1.5/Gb, and when the PCRF 104 learns that the rate of the service chain 1 is updated to be greater than $1.5/Gb, the determining means 303 may re-determine the optimal service chain. For the service chain 2.
  • the PCRF 104 notifies the PCEF 102 of the re-determined optimal service chain.
  • the fourth transmitting device 307 sends a service chain policy update request to the PCEF 102, which includes the updated optimal service chain.
  • the PCEF 102 controls the data stream of the UE 101 based on the updated optimal service chain, i.e., routes the data stream based on the updated optimal service chain. In this way, dynamic management of the service chain can be implemented.
  • the PCRF can re-determine the optimal service chain according to the real-time information, thereby ensuring that the service chain used by the UE 101 is optimal at the current time. , save users' costs, and also win more benefits for operators.
  • the apparatus 400 includes: a third receiving device 401 and a fifth transmitting device 402.
  • the third receiving device 401 receives the service chain fee request from the PCRF 104, which contains the identifiers of all possible service chains corresponding to the UE 101.
  • the identity of these service chains can be specified in a new AVP Service-Chain-Identifier-List in the Service Chain Fee Request.
  • the service chain fee request further includes an identification of a data stream of the UE 101 to indicate that the service chain corresponds to the particular data stream.
  • UE 101 may correspond to multiple data streams, and different data streams may require different network functions, so different data streams may correspond to different service chains.
  • the PCRF 104 may also create a new monthly service chain for the UE 101, including the respective service nodes of the newly created service chain in the above service chain fee request. These monthly sections can be written in a new AVP Service-Node-Identifier-List The identity of the point. After receiving the service chain fee request, the OCS 105 can obtain the service chain requested by the PCRF 104 through these service nodes.
  • the fifth transmitting device 402 sends a service chain fee request reply to the PCRF 104, which includes the fee information corresponding to each of the service chains.
  • the OCS 105 can set a preferred value for each service chain based on its own judgment and indicate a preferred value for each service chain in the service chain fee request reply.
  • the apparatus further includes: a fourth receiving device 403 (not shown) and a sixth transmitting device 404 (not shown).
  • the fourth receiving device 403 receives a fee change subscription request from the PCRF 104 for instructing the OCS 105 to send a notification to the PCRF 104 when the cost of the above service chain changes.
  • the PCRF 104 can subscribe to the OCS 105 for events that cause changes in the cost of the service chain or subscribe to the latest fee information.
  • the fee change subscription request includes an event that causes a change in the cost of the service chain. These events can be at least one of the following: insufficient balance, increased rates, reduced rates, rates above or below a certain threshold, and so on.
  • the sixth transmitting means 404 transmits a fee change notification to the PCRF 104, which includes indication information indicating that the fee of the service chain has changed.
  • the fee change notification includes the above-mentioned monitored event causing a change in the cost of the service chain.
  • the fee change notification may further include the latest fee information of the service chain.
  • the present invention can be implemented in software and/or a combination of software and hardware, for example, using an application specific integrated circuit (ASIC), a general purpose computer, or any other similar hardware device.
  • the software program of the present invention may be executed by a processor to implement the steps or functions described above.
  • the software programs (including related data structures) of the present invention can be stored in a computer readable recording medium such as a RAM memory, a magnetic or optical drive or a floppy disk and the like.
  • some of the steps or functions of the present invention may be implemented in hardware, for example, as a circuit that cooperates with a processor to perform various steps or functions.
  • a portion of the present invention can be applied as a computer program product, such as computer program instructions, which, when executed by a computer, can be invoked or Methods and/or technical solutions in accordance with the present invention are provided.
  • the program instructions for invoking the method of the present invention may be stored in a fixed or removable recording medium, and/or transmitted by a data stream in a broadcast or other signal bearing medium, and/or stored in a The working memory of the computer device in which the program instructions are run.
  • an embodiment in accordance with the present invention includes a device including a memory for storing computer program instructions and a processor for executing program instructions, wherein when the computer program instructions are executed by the processor, triggering
  • the apparatus operates based on the aforementioned methods and/or technical solutions in accordance with various embodiments of the present invention.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Business, Economics & Management (AREA)
  • Accounting & Taxation (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Telephonic Communication Services (AREA)

Abstract

La présente invention concerne un procédé et un dispositif pour déterminer une chaîne de service pour un utilisateur. Une interface Sy entre une PCRF et un OCS est améliorée de telle sorte que la PCRF puisse obtenir des informations de coût de chaînes de service à partir de l'OCS et déterminer une chaîne de service optimale selon les informations de coût obtenues. La présente invention permet de pallier les insuffisances de l'état de la technique, garantit qu'une chaîne de service utilisée par un utilisateur est optimale en termes de coûts, et économise les coûts pour l'utilisateur. De plus, la présente invention satisfait aux exigences d'un opérateur pour fournir un service de réseau au coût le plus bas en sélectionnant une chaîne de service en fonction d'informations de coût, et met en œuvre la réduction maximale possible des coûts de fonctionnement de réseau, afin d'atteindre l'objectif de rendement maximum de ressources de réseau.
PCT/IB2017/001085 2016-08-02 2017-07-27 Procédé et dispositif pour déterminer une chaîne de service pour un utilisateur WO2018025079A1 (fr)

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CN201610623757.5A CN107682163A (zh) 2016-08-02 2016-08-02 一种为用户确定服务链的方法与设备
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US20140010084A1 (en) * 2012-07-09 2014-01-09 Arun Kavunder System and method associated with a service flow router

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