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CN-122003948-A - System and method for QUIC traffic steering

CN122003948ACN 122003948 ACN122003948 ACN 122003948ACN-122003948-A

Abstract

Systems and methods for fast user datagram protocol internet connection (qic) traffic steering over an N6 interface are presented. The User Plane Function (UPF) may receive traffic filtering information from a Session Management Function (SMF). The traffic filtering information may include an identifier of a quick user datagram protocol internet connection (quitc) connection. The UPF may identify partial data traffic based on traffic filtering information including an identifier of the quench connection.

Inventors

  • CHEN LIJUAN
  • LI ZHIJUN
  • ZHU JINGUO

Assignees

  • 中兴通讯股份有限公司

Dates

Publication Date
20260508
Application Date
20231017

Claims (16)

  1. 1. A method, comprising: Receiving, by the user plane function UPF, traffic filtering information from the session management function SMF, said traffic filtering information comprising an identifier of the fast user datagram protocol internet connection quitc connection, and Identifying, by said UPF, a portion of data traffic based on said traffic filtering information including an identifier of said QUIC connection.
  2. 2. The method of claim 1, comprising: receiving data traffic from a radio access network by the UPF, and The identified partial data traffic is sent by the UPF via the N6 interface to the data network DN.
  3. 3. The method of claim 1, wherein: carrying said data traffic by a plurality of QUIC connections, and The portion of data traffic is carried by a corresponding one of the plurality of QUIC connections to the identifier of the QUIC connection.
  4. 4. The method of claim 1, wherein the application function performs at least one of: generating a request comprising at least one of: Said traffic filtering information comprising an identifier of said QUIC connection, A list comprising at least one data network access identifier DNAI and at least one corresponding routing profile identifier ID, or Traffic routing information for N6 interface, or The request is sent to the network opening function NEF.
  5. 5. The method of claim 4, comprising at least one of: The NEF stores the requested information, or The unified data store UDR receives the requested information from the NEF, and stores the requested information, Wherein said requested information comprises said traffic filtering information comprising an identifier of said QUIC connection.
  6. 6. The method of claim 5, wherein at least one policy control function PCF receives a notification message from said UDR, said notification message comprising said traffic filtering information including an identifier of said QUIC connection.
  7. 7. The method of claim 6 wherein the at least one PCF sends policy information to the SMF, the policy information comprising the traffic filtering information including an identifier of the QUIC connection.
  8. 8. The method of claim 4, wherein the NEF sends the requested information to the SMF, wherein the requested information includes the traffic filtering information including an identifier of the quitc connection.
  9. 9. The method of claim 7, comprising: and receiving, by the UPF, an update message from the SMF, the update message including the traffic filtering information including an identifier of the QUIC connection.
  10. 10. Method according to any of claims 1-9, wherein said traffic filtering information comprises (i) an identifier of said QUIC connection being identical to an identifier of a QUIC connection comprised in previous traffic filtering information, and (ii) a destination IP address being different from a previous destination IP address comprised in said previous traffic filtering information.
  11. 11. Method according to any of the claims 1-10, wherein said traffic filtering information further comprises information of traffic flows of said QUIC connection.
  12. 12. Method according to claim 11, wherein said traffic flow is one of a plurality of traffic flows of said QUIC connection.
  13. 13. Method according to claim 11, wherein the traffic flow information comprises at least one of (i) an identifier of the traffic flow of the quitc connection, (ii) information for identifying a type of traffic flow of the quitc connection, or (iii) information for identifying a flow requirement of the traffic flow of the quitc connection.
  14. 14. A method, comprising: The session management function SMF sends traffic filtering information, comprising an identifier of the fast user datagram protocol internet connection quitc connection, Wherein said UPF identifies partial data traffic based on said traffic filtering information including an identifier of said QUIC connection.
  15. 15. A non-transitory computer-readable medium storing instructions which, when executed by at least one processor, cause the at least one processor to perform the method of any of claims 1-14.
  16. 16. An apparatus, comprising: at least one processor configured to implement the method of any one of claims 1-14.

Description

System and method for QUIC traffic steering Technical Field The present disclosure relates generally to wireless communications, including but not limited to systems and methods for fast user datagram protocol internet connection (Quick User data protocol called UDP Internet Connection, QUIC) traffic steering over, for example, an N6 interface. Background The standardization organization third generation partnership project (3 GPP) is currently specifying a new radio interface, namely a 5G new radio (5G NR), and a next generation packet core network (NG-CN or NGC). The 5G NR will have three main components, a 5G access network (5G-AN), a 5G core network (5 GC) and a User Equipment (UE). In order to facilitate the implementation of different data services and requirements, the elements of 5GC (also called network functions) have been simplified, some of which are software-based and some of which are hardware-based so that they can be adapted as required. Disclosure of Invention Example embodiments disclosed herein are directed to solving the problems associated with one or more of the problems presented in the prior art, and providing other features that will become readily apparent when reference is made to the following detailed description in conjunction with the accompanying drawings. According to various embodiments, example systems, methods, apparatus, and computer program products are disclosed herein. It should be understood, however, that these embodiments are presented by way of illustration and not limitation, and that various modifications of the disclosed embodiments may be made which remain within the scope of the disclosure, as would be apparent to one of ordinary skill in the art from reading the disclosure. At least one aspect relates to the following systems, methods, devices, or computer readable media. The user plane function (User Plan Function, UPF) may receive (e.g., through subscription) traffic filtering information from the session management function (Session Management Function, SMF). The traffic filtering information may include an identifier of a quick user datagram protocol internet connection (quitc) connection. The UPF may identify portions of data traffic based on traffic filtering information that may include an identifier of the QUIC connection. In some embodiments, the UPF may receive data traffic from a radio access network (e.g., a base station, a gNB, a wireless communication node of a RAN). The UPF may send the identified partial Data traffic to a Data Network (DN) via an N6 interface. In some embodiments, data traffic may be carried by multiple QUIC connections. The portion of data traffic may be carried by a corresponding one of the plurality of QUIC connections to the identifier of the QUIC connection. The application function may at least one of generate a request comprising traffic filtering information including an identifier of the QUIC connection, a list comprising at least one Data Network access identifier (Data Network ACCESS IDENTIFIER, DNAI) and at least one corresponding routing profile Identifier (ID), or traffic routing information of the N6 interface, or may send the request to a Network opening function (Network Exposure Function, NEF). In some embodiments, the NEF may store the requested information. The unified data store (Unified Data Repository, UDR) can receive the requested information from the NEF. The UDR may store the requested information. The requested information may include traffic filtering information including an identifier of the QUIC connection. At least one PCF may receive a notification message from the UDR. The notification message may include traffic filtering information including an identifier of the QUIC connection. The at least one PCF may send policy information to the SMF. The policy information may include traffic filtering information including an identifier of the QUIC connection. In some embodiments, the NEF may send the requested information to the SMF. The requested information may include traffic filtering information including an identifier of the QUIC connection. The UPF may receive update messages from the SMF. The update message may include traffic filtering information including an identifier of the QUIC connection. In some embodiments, the traffic filtering information may include (i) an identifier of the QUIC connection (e.g., the same QUIC connection ID) that may be the same as the identifier of the QUIC connection included in the previous traffic filtering information, and (ii) a destination IP address that may be different from the previous destination IP address included in the previous traffic filtering information. Traffic filtering information may also include information (e.g., flow ID) of traffic flows of the quench connection. The traffic flow may be one of a plurality of traffic flows (e.g., multiplexed, or contained/communicated) of the QUIC connection. The information of the traffic flows may inc