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CN-122002427-A - Roaming method and device

CN122002427ACN 122002427 ACN122002427 ACN 122002427ACN-122002427-A

Abstract

A roaming method and device relates to the technical field of communication and is used for providing a processing flow of a master-slave optical network unit. The method comprises the steps that in the roaming process of a station, a main optical network unit (MFU) sends a service closing instruction message to a source SFU, wherein the service closing instruction message is used for instructing the source SFU to close service interaction with the station, and the MFU receives a service closing feedback message from the source SFU, wherein the service closing feedback message is used for indicating whether the service interaction with the station is successfully closed or not.

Inventors

  • Chen Yunman
  • SUN YANBIN
  • NIE HAI

Assignees

  • 华为技术有限公司

Dates

Publication Date
20260508
Application Date
20250226
Priority Date
20241104

Claims (20)

  1. 1. A roaming method, comprising: In the roaming process of a station, a main optical network unit (MFU) sends a service closing instruction message to a source SFU, wherein the service closing instruction message is used for instructing the source SFU to close service interaction with the station; The MFU receives a service shutdown feedback message from the source SFU, where the service shutdown feedback message is used to indicate whether to successfully shutdown service interaction with the site.
  2. 2. The method of claim 1, wherein the service shutdown message is carried in a Wi-Fi management control interface message.
  3. 3. A method as claimed in claim 1 or 2, wherein the service shut down indication message comprises an identification of the station.
  4. 4. A method according to any of claims 1-3, wherein the service shutdown indication message is further used to indicate that the source SFU reports context information for service interactions with the site.
  5. 5. The method of any of claims 1-4, wherein the traffic shutdown feedback message indicates that the source SFU successfully shuts down traffic interactions with the site.
  6. 6. The method of claim 5, wherein the service shutdown feedback message includes context information for service interactions between the source SFU and the site.
  7. 7. The method of claim 6, wherein the context information comprises one or more of a unicast packet sequence number, PN, sequence number, SN, context, or message sequence number.
  8. 8. A method according to any of claims 1-3, wherein the service shutdown feedback message indicates that the source SFU shutdown failed a service interaction with the site; The method further comprises the steps of: the MFU sends a first roaming exception handling message to the source SFU, the first roaming exception handling message indicating to resume configuration prior to roaming initiation for the site.
  9. 9. The method of claim 8, wherein the method further comprises: The MFU sends the second roaming exception handling message to a target SFU, wherein the second roaming exception handling message is used for indicating to delete roaming related information of the station, and the target SFU is the target SFU determined by the station roaming switching.
  10. 10. A method according to any of claims 1-3, wherein the service shutdown feedback message indicates that the source SFU shutdown failed a service interaction with the site; The method further comprises the steps of: The MFU sends a third roaming exception handling message to the source SFU, the third roaming exception handling message being for indicating to reject the station from the network.
  11. 11. The method of claim 10, wherein the method further comprises: and the MFU sends the third roaming exception handling message to a target SFU, wherein the target SFU is the target SFU determined by the station roaming switching.
  12. 12. A roaming method, comprising: In the roaming process of a station, a source sub-optical network unit (SFU) receives a service closing instruction message from a main optical network unit (MFU), wherein the service closing message is used for instructing the source SFU to close service interaction with the station; And the source SFU sends a service closing feedback message to the MFU, wherein the service closing feedback message is used for indicating whether the source SFU successfully closes service interaction with the station.
  13. 13. The method of claim 12, wherein the traffic shutdown indication message is carried in a Wi-Fi management control interface message.
  14. 14. A method as claimed in claim 12 or 13, wherein the service shut down indication message comprises an identification of the station.
  15. 15. The method according to any of claims 12-14, wherein the service shutdown indication message is further configured to indicate that the source SFU reports context information for service interactions with the site.
  16. 16. The method of any of claims 12-15, wherein the traffic shutdown feedback message indicates that the source SFU successfully shuts down traffic interactions with the site.
  17. 17. The method of claim 16, wherein the service shutdown feedback message includes context information for service interactions between the source SFU and the site.
  18. 18. The method of claim 17, wherein the context information comprises one or more of a unicast packet sequence number, PN, sequence number, SN, context, or message sequence number.
  19. 19. The method of any of claims 12-15, wherein the traffic shutdown feedback message indicates that the source SFU shutdown failed a traffic interaction with the site; The method further comprises the steps of: The source SFU receives a first roaming exception handling message from the MFU, wherein the first roaming exception handling message is used for indicating the source SFU to recover the configuration before the station roaming start; the source SFU resumes configuration prior to roaming start for the site.
  20. 20. The method of any of claims 12-15, wherein the traffic shutdown feedback message indicates that the source SFU shutdown failed a traffic interaction with the site; The method further comprises the steps of: The source SFU receives a third roaming exception handling message from the MFU, wherein the third roaming exception handling message is used for indicating the source SFU to reject the station from the network; The source SFU rejects the site from the network.

Description

Roaming method and device The present application claims priority to chinese patent application No. 202411567361.4, entitled "a roaming method and apparatus" filed on 4/11/2024, and the present application claims priority to chinese patent application No. 202510186613.7, entitled "a roaming method and apparatus" filed on 19/2025, the entire contents of which are incorporated herein by reference. Technical Field The present application relates to the field of communications technologies, and in particular, to a roaming method and apparatus. Background When the channel quality between the terminal and the currently associated access point becomes poor in the process of moving in FTTR networking, the terminal needs to roam to an access point with better channel quality so as to ensure the continuity of the service. The process flow between the master and slave optical network units in FTTR networking has not been discussed. Disclosure of Invention The embodiment of the application provides a roaming method and a roaming device, which are used for providing a processing flow of a master optical network unit and a slave optical network unit. In a first aspect, an embodiment of the present application provides a roaming method, including: The method comprises the steps that a main optical network unit (MFU) obtains roaming decision information of the SFU in a network; the MFU determines a target SFU for the station according to the roaming decision information; The MFU sends a roaming start indication message to the target SFU, the roaming start indication message being for indicating to initiate a roaming process for the station. In one possible implementation scenario, the source access point may be an MFU. In another possible implementation scenario, the source access point may be a source SFU. In one possible design, the roaming start indication message is carried in a Wi-Fi management control interface message. In one possible design, the initiating the roaming process includes initiating a roaming handoff state machine. In one possible design, the roaming start indication message includes an identification of the station. In one possible design, the method further comprises: The MFU receives a roaming start confirm message from a target SFU indicating that the target SFU successfully completed a roaming start for the station. In one possible design, the method further comprises: the MFU receives a roaming start failure message from the target SFU, wherein the roaming start failure message indicates that the target SFU fails to start roaming for the station; the MFU clears roaming related information for the station. In one possible design, the method further comprises: the MFU sends a roaming start indication message to a source SFU, the roaming start indication message being for indicating to initiate a roaming process for the station. In one possible design, the method further comprises: The MFU receives a roaming start confirm message from a source SFU indicating that the source SFU successfully completed a roaming start for the station. In one possible design, the method further comprises: the MFU receives a roaming start failure message from a source SFU, wherein the roaming start failure message indicates that the source SFU fails to start roaming for the station; the MFU clears roaming related information for the station. In one possible design, the method further comprises: The MFU sends roaming exception handling messages to the source SFU and the target SFU, the roaming exception handling messages being used to indicate clearing of roaming related information for the station. In one possible design, the method further comprises: The MFU receives a roaming exception handling complete message from the source SFU and/or, The MFU receives the roaming exception handling complete message from the target SFU. In one possible design, the roaming decision information includes one or more of signal strength, load information, or channel condition information with the station. In a second aspect, an embodiment of the present application provides a roaming method, including: The method comprises the steps that a sub-optical network unit SFU receives a roaming start indication message from a main optical network unit MFU, wherein the roaming start indication message is used for indicating to start roaming processing for a station; the SFU initiates a roaming process for the station. In one possible design, the roaming start indication message is carried in a Wi-Fi management control interface message. In one possible design, the initiating the roaming process includes initiating a roaming handoff state machine. In one possible design, the roaming start indication message includes an identification of the station. In one possible design, the method further comprises: The SFU sends the roaming start confirmation message to the MFU, wherein the roaming start confirmation message indicates that the SFU successfull