CN115842771A - Equipment roaming processing method and device under MESH networking - Google Patents

Equipment roaming processing method and device under MESH networking Download PDF

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Publication number
CN115842771A
CN115842771A CN202111071170.5A CN202111071170A CN115842771A CN 115842771 A CN115842771 A CN 115842771A CN 202111071170 A CN202111071170 A CN 202111071170A CN 115842771 A CN115842771 A CN 115842771A
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China
Prior art keywords
routing
home gateway
networking
multicast group
equipment
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CN202111071170.5A
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Chinese (zh)
Inventor
许大伟
魏煜
武云飞
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ZTE Corp
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ZTE Corp
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Priority to CN202111071170.5A priority Critical patent/CN115842771A/en
Priority to PCT/CN2022/114619 priority patent/WO2023035953A1/en
Publication of CN115842771A publication Critical patent/CN115842771A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/02—Topology update or discovery
    • H04L45/028—Dynamic adaptation of the update intervals, e.g. event-triggered updates
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/08—Reselecting an access point
    • H04W36/085—Reselecting an access point involving beams of access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W40/00—Communication routing or communication path finding
    • H04W40/24—Connectivity information management, e.g. connectivity discovery or connectivity update
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Databases & Information Systems (AREA)
  • Multimedia (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)

Abstract

The embodiment of the application provides a method and a device for processing equipment roaming under MESH networking, wherein the method comprises the following steps: if the fact that the second routing equipment or the first terminal equipment roams is detected, a notification message indicating that the networking topological structure changes is sent to other routing equipment and the home gateway, so that the other routing equipment and the home gateway update the locally stored networking topological structure; acquiring multicast group information of a second terminal device or the first terminal device, wherein the second terminal device is a device accessing the second routing device; the multicast data stream is provided for the second terminal device or the first terminal device according to the multicast group information, so that the problem that the playing cut-off of the set top box is caused by the loss or error of the multicast group information on each device when the set top box or the upper layer routing device in the related technology roams can be solved, and the playing cut-off of the set top box is avoided.

Description

Equipment roaming processing method and device under MESH networking
Technical Field
The embodiment of the application relates to the field of communication, in particular to a device roaming processing method and device under an MESH networking.
Background
With the maturity of the mesh technology, a set top box STA (Starcom) develops services through a wireless access mesh network of a home gateway, which is a common usage scenario. Roaming of STAs and Access Points (APs) in a Mesh networking is a common scenario. However, when the STA or the AP roams, the multicast group information on each device is lost or wrong, which causes the STA to play out and cut off, and affects the user. If the upper layer routing device AP roams, the down-hanging STA may not sense it, and will not actively send an add message, and renew the multicast group information of each device in the link, and may need the STA to switch channels again or restart to continue playing. If the STA roams, even if the STA immediately sends the join message after roaming, when the upper layer device learns the multicast group information again, the disconnection occurs for a period of time.
Aiming at the problem that the playing cut-off of the set top box is caused by the fact that the multicast group information on each device is lost or wrong when the set top box or upper layer routing device roams in the related technology, no solution is provided.
Disclosure of Invention
The embodiment of the application provides a method and a device for handling equipment roaming under an MESH networking, which are used for solving the problem that the playing cutoff of a set top box is caused by the loss or error of multicast group information on each equipment when the set top box or upper layer routing equipment roams in the related technology.
According to an embodiment of the present application, a method for handling roaming of a device under MESH networking is provided, which is applied to a first routing device, and includes:
if detecting that a second routing device or a first terminal device roams, sending a notification message indicating that a networking topological structure changes to other routing devices and a home gateway so as to enable the other routing devices and the home gateway to update the locally stored networking topological structure, wherein the other routing devices are routing devices except the first routing device;
acquiring multicast group information of a second terminal device or the first terminal device, wherein the second terminal device is a device accessing the second routing device;
and providing multicast data stream for the second terminal equipment or the first terminal equipment according to the multicast group information.
In an exemplary embodiment, before sending the notification message indicating the change of the networking topology to the other routing device and the home gateway, the method further comprises:
deleting the hierarchical relationship between the second routing equipment and the home gateway from the locally stored networking topological structure, and updating the second routing equipment to the level of the first routing equipment so as to update the networking topological structure; or
Deleting the hierarchical relationship between the first terminal equipment and a third routing equipment accessed before roaming from a networking topological structure, and updating the first terminal equipment to the level of the first routing equipment so as to update the networking topological structure.
In an exemplary embodiment, after sending the notification message indicating that the networking topology is changed to the other routing device and the home gateway, the method further comprises:
receiving a query message for querying the networking topology structure, which is sent by the second routing device and the home gateway after receiving the notification message;
and sending response messages to the second routing device and the home gateway respectively, wherein the response messages are used for indicating the second routing device and the home gateway to delete the hierarchical relationship between the second routing device and the home gateway from the networking topology structure, and updating the second routing device to the level of the first routing device so as to update the networking topology structure.
In an exemplary embodiment, the obtaining the multicast group information of the first terminal device includes:
acquiring multicast group information of the terminal equipment from the home gateway; or
And receiving a multicast message of the terminal equipment joining the network, wherein the multicast message carries the multicast group information, and acquiring the multicast group information from the multicast message.
In an exemplary embodiment, the obtaining the multicast group information of the terminal device from the home gateway includes:
sending a query request for querying the multicast group message to the home gateway through an extension 1905 protocol;
receiving a query response returned by the home gateway, wherein the query response carries the multicast group message;
and acquiring the multicast group message from the query response.
In an exemplary embodiment, before receiving the multicast packet that the terminal device joins the network, the method further includes:
receiving a general query for querying the multicast group message of the terminal device, which is sent by the home gateway;
and sending the general query to the terminal equipment.
According to another embodiment of the present application, there is further provided a device roaming processing apparatus under MESH networking, applied to a first routing device, including:
a first sending module, configured to send a notification message indicating that a networking topology changes to another routing device and a home gateway if it is detected that a second routing device or a first terminal device roams, so that the other routing device and the home gateway update the locally stored networking topology, where the other routing device is a routing device other than the first routing device;
an obtaining module, configured to obtain multicast group information of a second terminal device or the first terminal device, where the second terminal device is a device accessing the second routing device;
and a providing module, configured to provide a multicast data stream for the second terminal device or the first terminal device according to the multicast group information.
In an exemplary embodiment, the apparatus further comprises:
a first updating module, configured to delete the hierarchical relationship between the second routing device and the home gateway from the locally stored networking topology, and update the second routing device to a level of the first routing device, so as to update the networking topology; or
A second updating module, configured to delete the hierarchical relationship between the first terminal device and a third routing device accessed before roaming from a networking topology, and update the first terminal device to a level below the first routing device, so as to update the networking topology.
In an exemplary embodiment, the apparatus further comprises:
a first receiving module, configured to receive an inquiry packet for inquiring the networking topology structure, where the inquiry packet is sent by the second routing device and the home gateway after receiving the notification message;
a second sending module, configured to send response packets to the second routing device and the home gateway, respectively, where the response packets are used to instruct the second routing device and the home gateway to delete the hierarchical relationship between the second routing device and the home gateway from the networking topology, and update the second routing device to the level of the first routing device, so as to update the networking topology.
In an exemplary embodiment, the obtaining module includes:
the acquisition submodule is used for acquiring the multicast group information of the terminal equipment from the home gateway; or
And the receiving submodule is used for receiving the multicast message of the terminal equipment joining the network, wherein the multicast message carries the multicast group information, and the multicast group information is obtained from the multicast message.
In an exemplary embodiment, the obtaining sub-module is further configured to
Sending a query request for querying the multicast group message to the home gateway through an extension 1905 protocol;
receiving a query response returned by the home gateway, wherein the query response carries the multicast group message;
and acquiring the multicast group message from the query response.
In an exemplary embodiment, the apparatus further comprises:
a second receiving module, configured to receive a general query for querying a multicast group message of the terminal device, where the general query is sent by the home gateway;
and the third sending module is used for sending the general query to the terminal equipment.
According to a further embodiment of the application, there is also provided a computer-readable storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the steps of any of the above-mentioned method embodiments when executed.
According to yet another embodiment of the present application, there is also provided an electronic device, comprising a memory having a computer program stored therein and a processor configured to run the computer program to perform the steps of any of the method embodiments described above.
In the embodiment of the application, if it is detected that a second routing device or a first terminal device roams, a notification message indicating that a networking topology changes is sent to other routing devices and a home gateway, so that the other routing devices and the home gateway update the locally stored networking topology, wherein the other routing devices are routing devices except the first routing device; acquiring multicast group information of a second terminal device or the first terminal device, wherein the second terminal device is a device accessing the second routing device; the problem that playing and cutting off of the set top box are caused by the fact that the set top box or upper layer routing equipment in the related technology roams and the multicast group information on each equipment is lost or wrong can be solved by providing the multicast data stream for the second terminal equipment or the first terminal equipment according to the multicast group information, after the routing equipment or the terminal equipment roams, each equipment updates a networking topological structure according to the notification message, the multicast data stream is provided for the set top box according to the acquired multicast group information, and playing and cutting off of the set top box are avoided.
Drawings
Fig. 1 is a block diagram of a hardware structure of a mobile terminal according to the method for handling roaming of a device in a MESH networking according to the embodiment of the present application;
fig. 2 is a flowchart of a method for handling roaming of a device in a MESH networking according to an embodiment of the present application;
fig. 3 is a schematic diagram of a common networking of mesh according to the present embodiment;
fig. 4 is a flow chart one of AP roaming without interrupting multicast flow according to the present embodiment;
fig. 5 is a schematic diagram of AP roaming according to the present embodiment;
fig. 6 is a first schematic diagram of a 1905 custom extension packet format according to this embodiment;
fig. 7 is a diagram of a second diagram of a 1905 custom extension packet format according to this embodiment;
fig. 8 is a schematic diagram of an STA mac tlv packet format according to this embodiment;
FIG. 9 is a diagram of a group address tlv message format according to this embodiment;
fig. 10 is a flow chart two of AP roaming without interrupting multicast flow according to the present embodiment;
fig. 11 is a first flowchart of STA roaming uninterrupted multicast streaming according to the present embodiment;
fig. 12 is a schematic diagram of STA roaming according to the present embodiment;
fig. 13 is a flow chart of STA roaming uninterrupted multicast flow according to the present embodiment;
fig. 14 is a block diagram of a device roaming processing apparatus under MESH networking according to this embodiment.
Detailed Description
Embodiments of the present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the accompanying drawings are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order.
The method embodiments provided in the embodiments of the present application may be executed in a mobile terminal, a computer terminal, or a similar computing device. Taking a mobile terminal as an example, fig. 1 is a hardware structure block diagram of a mobile terminal of the device roaming processing method under MESH networking according to the embodiment of the present application, and as shown in fig. 1, the mobile terminal may include one or more processors 102 (only one is shown in fig. 1) (the processor 102 may include, but is not limited to, a processing device such as a microprocessor MCU or a programmable logic device FPGA, etc.), and a memory 104 for storing data, where the mobile terminal may further include a transmission device 106 for a communication function, and an input/output device 108. It will be understood by those skilled in the art that the structure shown in fig. 1 is only an illustration, and does not limit the structure of the mobile terminal. For example, the mobile terminal may also include more or fewer components than shown in FIG. 1, or have a different configuration than shown in FIG. 1.
The memory 104 may be configured to store a computer program, for example, a software program and a module of an application, such as a computer program corresponding to the method for device roaming processing under MESH networking in the embodiment of the present application, and the processor 102 executes various functional applications and service chain address pool slicing processing by running the computer program stored in the memory 104, so as to implement the method described above. The memory 104 may include high speed random access memory, and may also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid-state memory. In some examples, the memory 104 may further include memory located remotely from the processor 102, which may be connected to the mobile terminal over a network. Examples of such networks include, but are not limited to, the internet, intranets, local area networks, mobile communication networks, and combinations thereof.
The transmission device 106 is used for receiving or transmitting data via a network. Specific examples of the network described above may include a wireless network provided by a communication provider of the mobile terminal. In one example, the transmission device 106 includes a Network adapter (NIC), which can be connected to other Network devices through a base station so as to communicate with the internet. In one example, the transmission device 106 may be a Radio Frequency (RF) module, which is used to communicate with the internet in a wireless manner.
In this embodiment, a method for processing roaming of a device under MESH networking, which operates on the mobile terminal or the network architecture, is provided, and is applied to a terminal, where the terminal accesses a current primary node MN cell and a current secondary node SN cell of a source area through Dual Connection (abbreviated DC), fig. 2 is a flowchart of a method for processing roaming of a device under MESH networking according to an embodiment of the present application, and as shown in fig. 2, the method is applied to a first routing device, and the flowchart includes the following steps:
step S202, if detecting that a second routing device or a first terminal device roams, sending a notification message indicating that a networking topology structure changes to other routing devices and a home gateway, so that the other routing devices and the home gateway update the locally stored networking topology structure, wherein the other routing devices are routing devices except the first routing device;
step S204, acquiring multicast group information of a second terminal device or the first terminal device, wherein the second terminal device is a device accessing the second routing device;
step S206, providing a multicast data stream for the second terminal device or the first terminal device according to the multicast group information.
Through the above steps S202 to S206, if it is detected that the second routing device or the first terminal device roams, sending a notification message indicating that a networking topology changes to another routing device and the home gateway, so that the other routing device and the home gateway update the locally stored networking topology, where the other routing device is a routing device other than the first routing device; acquiring multicast group information of a second terminal device or the first terminal device, wherein the second terminal device is a device accessing the second routing device; the problem that playing and cutting off of the set top box are caused by the fact that the set top box or upper layer routing equipment in the related technology roams and the multicast group information on each equipment is lost or wrong can be solved by providing the multicast data stream for the second terminal equipment or the first terminal equipment according to the multicast group information, after the routing equipment or the terminal equipment roams, each equipment updates a networking topological structure according to the notification message, the multicast data stream is provided for the set top box according to the acquired multicast group information, and playing and cutting off of the set top box are avoided.
In an embodiment, before the step S202, the hierarchical relationship between the second routing device and the home gateway is deleted from the locally stored networking topology, and the second routing device is updated to the level of the first routing device, so as to update the networking topology; or deleting the hierarchical relationship between the first terminal device and a third routing device accessed before roaming from a networking topological structure, and updating the first terminal device to be below the hierarchy of the first routing device so as to update the networking topological structure.
In another embodiment, after step S202, receiving an inquiry packet for inquiring the networking topology, sent by the second routing device and the home gateway after receiving the notification message; and sending response messages to the second routing device and the home gateway respectively, wherein the response messages are used for indicating the second routing device and the home gateway to delete the hierarchical relationship between the second routing device and the home gateway from the networking topology structure, and updating the second routing device to the level of the first routing device so as to update the networking topology structure.
In this embodiment of the application, in the step S204, the acquiring the multicast group information of the first terminal device may specifically include:
acquiring multicast group information of the terminal equipment from the home gateway, and further sending a query request for querying the multicast group information to the home gateway through an expansion 1905 protocol; receiving a query response returned by the home gateway, wherein the query response carries the multicast group message; acquiring the multicast group message from the query response; or
And receiving a multicast message of the terminal equipment joining the network, wherein the multicast message carries the multicast group information, and acquiring the multicast group information from the multicast message.
In an exemplary embodiment, before receiving a multicast packet for the terminal device to join a network, receiving a general query for querying a multicast group message of the terminal device, where the general query is sent by the home gateway; and sending the general query to the terminal equipment.
The embodiment of the application can be applied to a mesh network, and fig. 3 is a schematic diagram of a common networking of the mesh according to the embodiment, and as shown in fig. 3, the networking includes a home gateway (controller), 2 APs and 1 set top box (STA).
After the Mesh network is stable, the set top box (STA) is accessed to the network, the set top box (STA) which is just added can actively send multicast messages which are added to the network, the multicast messages carry multicast group information, and uplink equipment of the set top box (STA) in the network can learn corresponding multicast information and send the added messages to upper-layer equipment. After the set-top box (STA) joins the multicast group corresponding to the multicast information and the multicast stream comes down, the video can be played normally. However, in the mesh networking, the controller may monitor the network condition in real time, and may actively notify the AP or STA of roaming according to the signal strength or the quality condition of a certain link.
After roaming, the accessed device can actively inform that the topo (topology) of the device changes, send notification information, other mesh devices in the topo can actively inquire the change of the topo, and after the topo is obtained and changed, the new networking can be updated. After Topo update, there may be two methods to update multicast group information of each device: the method comprises the following steps: the 1905 protocol of the Mesh supports factory expansion, and after networking update, for a set top box (STA) uplink device, multicast group information can be actively inquired from a controller through a custom message and configured to a multicast module of the controller. And after the Controller networking is updated, updating interface information issued by the stream, and retransmitting the multicast data stream in the cache after replying the query message of the multicast group each time. By inquiring multicast group information of the precisely added new device, the extension 1905 is needed, and the accessed AP and the home gateway negotiate the same standard. The second method comprises the following steps: after the Controller updates topo, it can send query message, after receiving the query message, the set-top box replies the multicast message added to the network, and updates the multicast group information of the uplink device. The use is standard specification, only need to use on the home gateway, do not involve a plurality of apparatuses; the transmitted generic query would be flooded over the APs.
Fig. 4 is a first flowchart of the AP roaming without interrupting the multicast stream according to this embodiment, and as shown in fig. 4, the method includes the following steps:
and step S401, the set top box (STA) accesses the mesh network completed by networking.
Step S402, a set top box (STA) sends a multicast message added into the network, the multicast message carries multicast group information, an uplink AP and a home gateway learn the multicast group information, a multicast stream is correctly forwarded according to the multicast group information, and the set top box (STA) normally plays a video stream;
step S403, the AP1 roams, fig. 5 is a schematic view of AP roaming according to this embodiment, and as shown in fig. 5, the AP2 at the online location deletes the hierarchical relationship between the AP1 and the home gateway from the networking topo, updates the hierarchical relationship to the level of the AP2, and sends a notification message to notify that the networking is changed;
step S404, the AP1 and the home gateway send a query to the AP2 to query the topo change of the AP2 after receiving the notification message;
step S405, AP2 replies Response messages to AP1 and the home gateway respectively, after AP1 and the home gateway receive the Response messages, the hierarchical relationship between AP1 and the home gateway is deleted from the networking topo, and the networking topo of the AP1 is updated;
step S406, after the AP2 finishes updating the network topo, finding the uplink equipment which is the STA, sending 1905 extended message to the home gateway, and inquiring the multicast group added by the set top box (STA);
step S407, the home gateway replies 1905 the extended message to the AP2, and replies the multicast group added by the set top box (STA) to the AP2, wherein the message format is shown in FIG. 6-FIG. 9, and the AP2 configures the corresponding multicast group to the multicast module;
step S408, after replying 1905 the extended packet, the home gateway retransmits the multicast stream in the cache.
Fig. 10 is a second flowchart of the AP roaming without interrupting the multicast stream according to this embodiment, and as shown in fig. 10, the method includes the following steps:
and step S1001, the set top box (STA) accesses the mesh network finished by networking.
Step S1002, a set top box (STA) sends a multicast join message, an uplink AP and a home gateway learn a multicast group, a multicast stream is correctly forwarded, and the set top box (STA) normally plays a video stream;
step S1003, the AP1 roams, as shown in FIG. 5, the AP2 at the online position deletes the hierarchical relationship between the AP1 and the home gateway from the networking topo, updates the hierarchical relationship to the level of the AP, sends a notification message and notifies that the networking is changed;
step S1004, after receiving the notification message, the AP1 and the home gateway send a query to the AP2 to query the topo change of the AP 2;
step S1005, AP2 replies Response messages to AP1 and home gateway respectively, after AP1 and home gateway receive the Response messages, the hierarchy relationship between AP1 and home gateway is deleted from networking topo, and own networking topo is updated;
step S1006, after updating topo, the gateway actively sends a general query message to the downlink port where the STA is located;
step S1007, after receiving general inquiry, STA replies joining multicast group to home gateway;
step S1008, after receiving the join message, the home gateway retransmits the multicast stream in the cache.
Fig. 11 is a first flowchart of the STA roaming uninterrupted multicast stream according to this embodiment, and as shown in fig. 11, the method includes the following steps:
step S1101, the set top box (STA) accesses the mesh network completed by the networking.
Step S1102, a set top box (STA) sends a multicast join message, an uplink AP and a home gateway learn a multicast group, a multicast stream is correctly forwarded, and the set top box (STA) normally plays a video stream;
step S1103, the STA roams, where fig. 12 is a schematic diagram of STA roaming according to this embodiment, and as shown in fig. 12, the AP2 at the online location deletes the hierarchical relationship between the set top box (STA) and the AP1 from the networking topo, updates the hierarchical relationship to the level of the AP, and sends a notification message to notify that there is a change in the networking;
step S1104, the AP1 and the home gateway send a query to the AP2 to query the topo change of the AP2 after receiving the notification message;
step S1105, AP2 replies Response messages to AP1 and home gateway respectively, after AP1 and home gateway receive the Response messages, the hierarchical relationship between set top box (STA) and AP1 is deleted from networking topo, and own networking topo is updated;
step S1106, after the AP2 finishes updating the network topo, finding the uplink equipment which is the STA, sending 1905 extended message to the home gateway, and inquiring the multicast group added by the set top box (STA);
step S1107, the home gateway replies 1905 the extension packet to the AP2, and replies the multicast group added by the set top box (STA) to the AP2, where the format of the packet is shown in fig. 6 to 9, and the AP2 configures the corresponding multicast group to the multicast module;
step S1108, after replying 1905 the extended packet, the home gateway retransmits the multicast stream in the cache.
Fig. 13 is a second flowchart of the STA roaming uninterrupted multicast stream according to this embodiment, and as shown in fig. 13, the method includes the following steps:
and step S1301, the set top box (STA) accesses the mesh network completed by networking.
Step S1302, a set top box (STA) sends a multicast join message, an uplink AP and a home gateway learn a multicast group, a multicast stream is correctly forwarded, and the set top box (STA) normally plays a video stream;
step S1303, the STA roams, as shown in fig. 12, the AP2 at the online location deletes the hierarchical relationship between the set top box (STA) and the AP1 from the networking topo, updates the set top box (STA) to its own hierarchy, and sends a notification message to notify that there is a change in the networking;
step S1304, the AP1 and the home gateway send a query to the AP2 to query the topo change of the AP2 after receiving the notification message;
step S1305, the AP2 respectively replies Response messages to the AP1 and the home gateway, and after receiving the Response messages, the AP1 and the home gateway delete the hierarchical relationship between the set top box (STA) and the AP1 from the networking topo and update the networking topo thereof;
step S1306, after updating topo, the gateway actively sends a general query message to a downlink port where the STA is located;
step 1307, after receiving the general query, the STA replies the added multicast group to the home gateway;
step S1308, after receiving the join packet, the home gateway retransmits the multicast stream in the cache.
In the embodiment of the application, in the mesh networking, each device uses the 1905 standard specification to sense whether any device in the networking roams, so that the multicast group of the down-hanging STA is actively updated.
According to another embodiment of the present application, there is further provided a device roaming processing apparatus under MESH networking, which is applied to a first routing device, and fig. 14 is a block diagram of the device roaming processing apparatus under MESH networking according to this embodiment, as shown in fig. 14, including:
a first sending module 142, configured to send a notification message indicating that a networking topology changes to another routing device and a home gateway if it is detected that a second routing device or a first terminal device roams, so that the other routing device and the home gateway update the locally stored networking topology, where the other routing device is a routing device other than the first routing device;
an obtaining module 144, configured to obtain multicast group information of a second terminal device or the first terminal device, where the second terminal device is a device accessing the second routing device;
a providing module 146, configured to provide a multicast data stream for the second end device or the first end device according to the multicast group information.
In an exemplary embodiment, the apparatus further comprises:
the first updating module is used for deleting the hierarchical relationship between the second routing equipment and the home gateway from the locally stored networking topological structure, and updating the second routing equipment to the level of the first routing equipment so as to update the networking topological structure; or alternatively
A second updating module, configured to delete the hierarchical relationship between the first terminal device and a third routing device accessed before roaming from a networking topology, and update the first terminal device to a level below the first routing device, so as to update the networking topology.
In an exemplary embodiment, the apparatus further comprises:
a first receiving module, configured to receive an inquiry packet for inquiring the networking topology structure, where the inquiry packet is sent by the second routing device and the home gateway after receiving the notification message;
a second sending module, configured to send response packets to the second routing device and the home gateway, respectively, where the response packets are used to instruct the second routing device and the home gateway to delete the hierarchical relationship between the second routing device and the home gateway from the networking topology, and update the second routing device to the level of the first routing device, so as to update the networking topology.
In an exemplary embodiment, the obtaining module 144 includes:
an obtaining submodule, configured to obtain multicast group information of the terminal device from the home gateway; or
And the receiving submodule is used for receiving the multicast message of the terminal equipment joining the network, wherein the multicast message carries the multicast group information, and the multicast group information is obtained from the multicast message.
In an exemplary embodiment, the obtaining sub-module is further configured to
Sending a query request for querying the multicast group message to the home gateway through expanding a 1905 protocol;
receiving a query response returned by the home gateway, wherein the query response carries the multicast group message;
and acquiring the multicast group message from the query response.
In an exemplary embodiment, the apparatus further comprises:
a second receiving module, configured to receive a general query for querying a multicast group message of the terminal device, where the general query is sent by the home gateway;
and the third sending module is used for sending the general query to the terminal equipment.
According to a further embodiment of the application, there is also provided a computer-readable storage medium, in which a computer program is stored, wherein the computer program is arranged to perform the steps of any of the above-mentioned method embodiments when executed.
Embodiments of the present application further provide a computer-readable storage medium having a computer program stored therein, wherein the computer program is configured to perform the steps in any of the above method embodiments when executed.
In an exemplary embodiment, the computer-readable storage medium may include, but is not limited to: various media capable of storing computer programs, such as a usb disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic disk, or an optical disk.
Embodiments of the present application further provide an electronic device, comprising a memory in which a computer program is stored and a processor configured to execute the computer program to perform the steps in any of the method embodiments described above.
In an exemplary embodiment, the electronic apparatus may further include a transmission device and an input/output device, wherein the transmission device is connected to the processor, and the input/output device is connected to the processor.
For specific examples in this embodiment, reference may be made to the examples described in the above embodiments and exemplary embodiments, and details of this embodiment are not repeated herein.
It will be apparent to those skilled in the art that the various modules or steps of the present application described above may be implemented using a general purpose computing device, they may be centralized on a single computing device or distributed across a network of multiple computing devices, and they may be implemented using program code executable by the computing devices, such that they may be stored in a memory device and executed by the computing devices, and in some cases, the steps shown or described may be performed in an order different than that described herein, or they may be separately fabricated into separate integrated circuit modules, or multiple ones of them may be fabricated into a single integrated circuit module. Thus, the present application is not limited to any specific combination of hardware and software.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the principle of the present application shall be included in the protection scope of the present application.

Claims (10)

1. A method for processing equipment roaming under MESH networking is applied to a first routing equipment, and is characterized by comprising the following steps:
if detecting that a second routing device or a first terminal device roams, sending a notification message indicating that a networking topological structure changes to other routing devices and a home gateway so that the other routing devices and the home gateway update the locally stored networking topological structure, wherein the other routing devices are routing devices except the first routing device;
acquiring multicast group information of a second terminal device or the first terminal device, wherein the second terminal device is a device accessing the second routing device;
and providing multicast data stream for the second terminal equipment or the first terminal equipment according to the multicast group information.
2. The method of claim 1, wherein before sending notification messages to other routing devices and home gateways indicating changes in networking topology, the method further comprises:
deleting the hierarchical relationship between the second routing equipment and the home gateway from the locally stored networking topological structure, and updating the second routing equipment to the level of the first routing equipment so as to update the networking topological structure; or
Deleting the hierarchical relationship between the first terminal equipment and a third routing equipment accessed before roaming from a networking topological structure, and updating the first terminal equipment to the level of the first routing equipment so as to update the networking topological structure.
3. The method of claim 1, wherein after sending notification messages to other routing devices and home gateways indicating changes in networking topology, the method further comprises:
receiving a query message for querying the networking topology structure, which is sent by the second routing device and the home gateway after receiving the notification message;
and sending response messages to the second routing device and the home gateway respectively, wherein the response messages are used for indicating the second routing device and the home gateway to delete the hierarchical relationship between the second routing device and the home gateway from the networking topology structure, and updating the second routing device to the level of the first routing device so as to update the networking topology structure.
4. The method of claim 1, wherein obtaining multicast group information for the first end device comprises:
acquiring multicast group information of the terminal equipment from the home gateway; or
And receiving a multicast message of the terminal equipment joining the network, wherein the multicast message carries the multicast group information, and acquiring the multicast group information from the multicast message.
5. The method of claim 4, wherein obtaining the multicast group information of the end device from the home gateway comprises:
sending a query request for querying the multicast group message to the home gateway through an extension 1905 protocol;
receiving a query response returned by the home gateway, wherein the query response carries the multicast group message;
and acquiring the multicast group message from the query response.
6. The method of claim 4, wherein before receiving the multicast packet for the end device to join the network, the method further comprises:
receiving a general query for querying the multicast group message of the terminal device, which is sent by the home gateway;
and sending the general query to the terminal equipment.
7. A device roaming processing device under MESH networking is applied to a first routing device, and is characterized by comprising:
a first sending module, configured to send a notification message indicating that a networking topology changes to another routing device and a home gateway if it is detected that a second routing device or a first terminal device roams, so that the other routing device and the home gateway update the locally stored networking topology, where the other routing device is a routing device other than the first routing device;
an obtaining module, configured to obtain multicast group information of a second terminal device or the first terminal device, where the second terminal device is a device accessing the second routing device;
and a providing module, configured to provide a multicast data stream for the second terminal device or the first terminal device according to the multicast group information.
8. The apparatus of claim 7, further comprising:
the first updating module is used for deleting the hierarchical relationship between the second routing equipment and the home gateway from the locally stored networking topological structure, and updating the second routing equipment to the level of the first routing equipment so as to update the networking topological structure; or
A second updating module, configured to delete the hierarchical relationship between the first terminal device and a third routing device accessed before roaming from a networking topology, and update the first terminal device to a level below the first routing device, so as to update the networking topology.
9. A computer-readable storage medium, in which a computer program is stored, wherein the computer program is configured to carry out the method of any one of claims 1 to 6 when executed.
10. An electronic device comprising a memory and a processor, wherein the memory has stored therein a computer program, and wherein the processor is arranged to execute the computer program to perform the method of any of claims 1 to 6.
CN202111071170.5A 2021-09-13 2021-09-13 Equipment roaming processing method and device under MESH networking Pending CN115842771A (en)

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