CN110138796A - Multicast control method and device - Google Patents
Multicast control method and device Download PDFInfo
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- CN110138796A CN110138796A CN201910442282.3A CN201910442282A CN110138796A CN 110138796 A CN110138796 A CN 110138796A CN 201910442282 A CN201910442282 A CN 201910442282A CN 110138796 A CN110138796 A CN 110138796A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1069—Session establishment or de-establishment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/1066—Session management
- H04L65/1076—Screening of IP real time communications, e.g. spam over Internet telephony [SPIT]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
- H04L65/60—Network streaming of media packets
- H04L65/61—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio
- H04L65/611—Network streaming of media packets for supporting one-way streaming services, e.g. Internet radio for multicast or broadcast
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/254—Management at additional data server, e.g. shopping server, rights management server
- H04N21/2541—Rights Management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/20—Servers specifically adapted for the distribution of content, e.g. VOD servers; Operations thereof
- H04N21/25—Management operations performed by the server for facilitating the content distribution or administrating data related to end-users or client devices, e.g. end-user or client device authentication, learning user preferences for recommending movies
- H04N21/258—Client or end-user data management, e.g. managing client capabilities, user preferences or demographics, processing of multiple end-users preferences to derive collaborative data
- H04N21/25808—Management of client data
- H04N21/25816—Management of client data involving client authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/60—Network structure or processes for video distribution between server and client or between remote clients; Control signalling between clients, server and network components; Transmission of management data between server and client, e.g. sending from server to client commands for recording incoming content stream; Communication details between server and client
- H04N21/63—Control signaling related to video distribution between client, server and network components; Network processes for video distribution between server and clients or between remote clients, e.g. transmitting basic layer and enhancement layers over different transmission paths, setting up a peer-to-peer communication via Internet between remote STB's; Communication protocols; Addressing
- H04N21/64—Addressing
- H04N21/6405—Multicasting
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- Databases & Information Systems (AREA)
- Computer Security & Cryptography (AREA)
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Abstract
This application provides multicast control methods and device.In the application, BRAS-CP equipment is when user equipment passes through certification, multicasting authorization information corresponding with user equipment by the channel Openflow can be issued to BRAS-DP equipment, multicast group is added to control user equipment according to multicasting authorization information by BRAS-DP equipment, this is added multicast group to user equipment and is controlled, it prevents user equipment that multicast group is voluntarily added, meets operator to the operation demand of the business such as IPTV.
Description
Technical field
This application involves network communication technologies, in particular to multicast control method and device.
Background technique
In IPoE (IP over Ethernet) networking, in order to give full play to Broadband Remote Access Server (BRAS:
Broadband Remote Access Server) control and forwarding performance, BRAS can be carried out turn control separation, will originally by
BRAS responsible job sharing is to BRAS- data surface (DP:Data Plane) equipment and BRAS- control plane (CP:Control
Plane) equipment.Fig. 1 is for passing through the open flows channel (Openflow) and connect between BRAS-DP equipment and BRAS-CP equipment
It shows BRAS and turns control separation networking structure.
Turn in control separation networking structure in BRAS, BRAS-DP equipment is responsible for message forwarding, specifically includes that control message
It is shunted with data message, the message of triggering authentication is sent in BRAS-CP equipment authenticate by the channel Openflow and is awarded
Power etc.；
BRAS-CP equipment is responsible for message control, specifically includes that and is authenticated to message, by the user information of online user
BRAS-DP equipment is handed down to by the channel Openflow.
Summary of the invention
This application provides multicast control methods and device, to realize the control for user equipment being added multicast group.
The technical scheme provided by the application includes:
A kind of multicast control method, this method are applied to Broadband Remote Access Server BRAS- control plane CP equipment, packet
It includes:
The first message of BRAS- data surface DP device forwards is received, first message comes from user equipment, for triggering
BRAS-CP equipment authenticates the user equipment；
It, will multicast corresponding with the user equipment in certification of the user equipment by the BRAS-CP equipment
Authorization message is issued to the BRAS-DP equipment, described in being controlled as the BRAS-DP equipment according to the multicasting authorization information
Multicast group is added in user equipment.
A kind of multicast control method, this method are applied to Broadband Remote Access Server BRAS- data surface DP equipment, packet
It includes:
The first message from user equipment is forwarded to BRAS- control plane CP equipment；
Receive the multicast corresponding with the user equipment that BRAS-CP equipment is sent after the user equipment is by certification
Authorization message；
The second message from the user equipment is received, multicast group is added for requesting in the second message；
When the first interface for receiving second message enables controllable multicast function, according to the user equipment
Corresponding multicasting authorization information controls the user equipment and multicast group is added, and multicast is added for controlling in the controllable multicast function
The permission of group.
A kind of multicast control device, the device are applied to Broadband Remote Access Server BRAS- control plane CP equipment, packet
It includes:
First message receiving unit, for receiving the first message of BRAS- data surface DP device forwards, first message
From user equipment, the user equipment is authenticated for triggering BRAS-CP equipment；
First multicasting authorization unit will be with institute in certification of the user equipment by the BRAS-CP equipment
State the corresponding multicasting authorization information of user equipment and be issued to the BRAS-DP equipment, with as the BRAS-DP equipment according to
Multicasting authorization information controls the user equipment and multicast group is added.
A kind of multicast control device, the device are applied to Broadband Remote Access Server BRAS- data surface DP equipment, packet
It includes:
Retransmission unit, for BRAS- control plane CP equipment will to be forwarded to from the first message of user equipment；
Second multicasting authorization unit passes through the BRAS-CP equipment in the user equipment for receiving BRAS-CP equipment
Certification after the multicasting authorization information corresponding with the user equipment that sends；
Second message receiving unit, for receiving the second message from the user equipment, the second message is for requesting
Multicast group is added；
Multicast control unit, when for enabling controllable multicast function in the first interface for receiving second message,
The user equipment is controlled according to multicasting authorization information corresponding with the user equipment, and multicast group, the controllable multicast function is added
The permission that multicast group is added can be used to control.
As can be seen from the above technical solutions, in the application, BRAS-CP equipment can be incited somebody to action when user equipment passes through certification
Multicasting authorization information corresponding with user equipment is issued to BRAS-DP equipment, with by BRAS-DP equipment according to multicasting authorization information
It controls user equipment and multicast group is added, this is added multicast group to user equipment and is controlled, it is therefore prevented that user equipment voluntarily adds
Enter multicast group, meets operator to the operation demand of the business such as IPTV.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.
Fig. 1 is that BRAS turns control separation networking structure；
Fig. 2 is method flow diagram provided in this embodiment；
Fig. 3 is another method flow chart provided in this embodiment；
Fig. 4 is provided in this embodiment using networking schematic diagram；
Fig. 5 is apparatus structure schematic diagram provided by the present application；
Fig. 6 is another apparatus structure schematic diagram provided by the present application；
Fig. 7 is hardware structural diagram provided by the present application.
Specific embodiment
In traditional multicast application, user equipment can send IGMP membership report when needing that multicast group is added
Some multicast group is added in message request, after multicast group is added, receives the multicast message of affiliated multicast group.
But in traditional multicast application, multicast group is not added to user and carries out any control, user can voluntarily add
Enter multicast group, this will lead to the operation demand that current multicast application is unable to satisfy operator to business such as IPTV.
Based on the above issues, a kind of multicast control method is present embodiments provided, to control the power that multicast group is added in user
Limit.It is described below by Fig. 1:
Referring to fig. 2, Fig. 2 is method flow diagram provided in this embodiment.The process is applied to BRAS-CP equipment.Such as Fig. 2 institute
Show, which can comprise the following steps that
Step 201, the first message of BRAS-DP device forwards is received.
In one example, the channel Openflow is established between BRAS-CP equipment and BRAS-DP equipment, is based on this, this
In step 201, BRAS-CP equipment can be by the Openflow channel reception BRAS-DP equipment established between BRAS-DP equipment
First message of forwarding.
Here, the first message is (using for triggering BRAS-CP equipment the source of the first message for user equipment transmission
Family equipment) message that is authenticated.In specific implementation, the first message here can be two-layer protocol message such as ARP message,
It or is three layer protocol messages such as IP packet, DHCP message etc..
It step 202, will multicasting authorization corresponding with user equipment when user equipment passes through the certification of BRAS-CP equipment
Information is issued to BRAS-DP equipment, and multicast group is added to control user equipment according to multicasting authorization information by BRAS-DP equipment.
As described above, the channel Openflow is established between BRAS-CP equipment and BRAS-DP equipment, then this step 202
In, multicasting authorization information corresponding with user equipment can be issued to BRAS-DP by the channel Openflow and set by BRAS-CP equipment
It is standby.
When specific implementation, in one example, the corresponding multicasting authorization information of each user equipment is default to be arranged and configures
BRAS-CP equipment is local.Based on this, in this step 202, when user equipment passes through certification, can own from local configured
The corresponding multicasting authorization information of user equipment by certification is obtained in multicasting authorization information.
In another example, the corresponding multicasting authorization information of each user equipment is preset to be arranged and configure and be set in BRAS-CP
Standby external certificate server such as Radius server.It,, can when user equipment passes through certification in this step 202 based on this
By linking with certificate server with the corresponding multicasting authorization information of user equipment for obtaining this by certification from certificate server.
After obtaining the multicasting authorization information corresponding by the user equipment authenticated, such as the description of step 202, BRAS-
Multicasting authorization information corresponding with user equipment can be issued to BRAS-DP equipment by CP equipment.When specific implementation, BRAS-CP is set
It is standby multicasting authorization information carrying corresponding with user equipment to be issued to BRAS-DP equipment in user's list item.Wherein, user
List item can include: (corresponding relationship has characterized and user equipment for the corresponding relationship between customer equipment identification, multicasting authorization information
Corresponding multicasting authorization information).
In one example, when the first above-mentioned message is two-layer protocol message such as ARP message, above-mentioned user is set
The standby source MAC for being identified as the first message.
In another example, when the first above-mentioned message is three layer protocol message such as DHCP message, above-mentioned use
Family device identification is the source IP address of the first message.
So far, process shown in Fig. 2 is completed.
It can be seen that BRAS-CP equipment when user equipment passes through certification by process shown in Fig. 2, can will be set with user
Standby corresponding multicasting authorization information is issued to BRAS-DP equipment, to control user according to multicasting authorization information by BRAS-DP equipment
Multicast group is added in equipment, this is added multicast group to user equipment and is controlled, it is therefore prevented that and multicast group is voluntarily added in user equipment,
Meet operator to the operation demand of the business such as IPTV.
It is to describe multicast control method provided in this embodiment from BRAS-CP equipment angle above, station is in BRAS- below
DP equipment angle describes multicast control method provided in this embodiment:
Referring to Fig. 3, Fig. 3 is another method flow chart provided in this embodiment.The process is applied to BRAS-DP equipment.
As shown in figure 3, the process can comprise the following steps that
Step 301, the first message from user equipment is forwarded to BRAS-CP equipment.
As described above, the channel Openflow is established between BRAS-CP equipment and BRAS-DP equipment, then this step 301
In, the first message from user equipment can be forwarded to BRAS-CP equipment by the channel Openflow by BRAS-DP equipment.
First message is as described above, and which is not described herein again.
Step 302, the multicast corresponding with user equipment that BRAS-CP equipment is sent after user equipment is by certification is received
Authorization message.
It goes at this point, BRAS-DP equipment can locally store the corresponding multicasting authorization information of each user equipment.
In specific implementation, the corresponding multicasting authorization information of each user equipment can be used as user's list item and record to user's table
In, wherein each user's list item includes that the mark of a user equipment (characterizes corresponding group of user equipment with multicasting authorization information
Broadcast authorization message).
Step 303, the second message from user equipment is received, multicast group is added for requesting in the second message.
As one embodiment, the second message here is IGMP membership report message.
Step 304, when the first interface for receiving the second message enables controllable multicast function, according to user equipment
Multicast group is added in corresponding multicasting authorization information control user equipment, and controllable multicast function is used to control the power that multicast group is added
Limit.
Based on the description of above-mentioned user's list item, then in step 304, BRAS-DP equipment can be carried first according to the second message
Customer equipment identification user's list item comprising the customer equipment identification is searched in user's table, will be in the user's list item that found
Multicasting authorization information be determined as above-mentioned steps 304 description multicasting authorization information corresponding with user equipment.
In one example, the second message carries the target multicast group information of user equipment requests addition；
Based on this, in above-mentioned steps 304, user equipment is controlled according to multicasting authorization information corresponding with user equipment and is added
Multicast group can include:
Whether step a1 judges in the multicasting authorization information to include the target multicast group information, if it is, allowing
The corresponding target multicast group of the target multicast group information is added in the user equipment；If it is not, then forbidding the user equipment
The corresponding target multicast group of the target multicast group information is added.
As can be seen that in the present embodiment, controlling user equipment according to multicasting authorization information corresponding with user equipment and adding
Enter multicast group, realizes and decided whether to allow user equipment that its request is added according to multicasting authorization information corresponding with user equipment
Target multicast group.
So far, process shown in Fig. 3 is completed.
It is the operation for enabling to execute when controllable multicast function with first interface in process shown in Fig. 3.And work as first interface
It is not enabled on controllable multicast function, then in the present embodiment, can further comprise:
Allow the user equipment that the corresponding target multicast group of the target multicast group information is added.
Process shown in Fig. 2 to Fig. 3 is described below by a specific embodiment:
Referring to fig. 4, Fig. 4 is provided in this embodiment using networking diagram.It include: BRAS- in application networking shown in Fig. 4
CP equipment 401, BRAS-DP equipment 402, BRAS-DP equipment 403.
In Fig. 4, the channel Openflow established between BRAS-CP equipment 401 and BRAS-DP equipment 402 (is denoted as
The channel Openflow 12).The channel Openflow established between BRAS-CP equipment 401 and BRAS-DP equipment 403 (is denoted as
The channel Openflow 13).
In networking shown in Fig. 4, BRAS-CP equipment 401 is also connected with certificate server 400.In one example, here
Certificate server may include at least one of Radius server and Dynamic Host Configuration Protocol server.
As shown in figure 4, user equipment 404 sends the first message for being used for triggering authentication (by taking IP packet 41 as an example).BRAS-
DP equipment 402 receives IP packet 41 by interface (Port2_4), then is sent to IP packet 41 by the channel Openflow 12
BRAS-CP equipment 401.
BRAS-CP equipment 401 receives IP packet 41 by the channel Openflow 12.
BRAS-CP equipment 401 and certificate server 400 link, and authenticate according to IP packet 41 to user equipment 404.
Here authentication mode is similar to existing authentication mode, the present embodiment not concrete restriction.
BRAS-CP equipment 401 obtains and IP packet 41 when user equipment 404 passes through certification from certificate server 400
The corresponding multicasting authorization information of source IP address (mark of user equipment 404, be denoted as IP11).The present embodiment is with certificate server
It is described for 400 configuration multicast authorization messages.
The corresponding multicasting authorization information of IP11, IP11 is issued to by BRAS-CP equipment 401 by the channel Openflow 12
BRAS-DP equipment 402.
BRAS-DP equipment 402 receives the corresponding multicasting authorization information of IP11, IP11, and the corresponding multicast of IP11, IP11 is awarded
Power information is recorded as user's list item into local user's table.
Similarly, user equipment 405 can also send the first message for triggering authentication in the way of user equipment 404
(by taking IP packet 42 as an example).As shown in figure 3, first message of the transmission of user equipment 405 for triggering authentication (is with IP packet 42
Example).BRAS-DP equipment 403 receives IP packet 42 by interface (Port3_5), then leads to IP packet 42 by Openflow
Road 13 is sent to BRAS-CP equipment 401.
BRAS-CP equipment 401 receives IP packet 42 by the channel Openflow 13.
BRAS-CP equipment 401 and certificate server 400 link, and authenticate according to IP packet 42 to user equipment 405.
Here authentication mode is similar to existing authentication mode, the present embodiment not concrete restriction.
BRAS-CP equipment 401 obtains and IP packet 42 when user equipment 405 passes through certification from certificate server 400
The corresponding multicasting authorization information of source IP address (mark of user equipment 405, be denoted as IP12).The present embodiment is with certificate server
It is described for 400 configuration multicast authorization messages.
The corresponding multicasting authorization information of IP12, IP12 is issued to by BRAS-CP equipment 401 by the channel Openflow 13
BRAS-DP equipment 403.
BRAS-DP equipment 403 receives the corresponding multicasting authorization information of IP12, IP12, and the corresponding multicast of IP12, IP12 is awarded
Power information is recorded as user's list item into local user's table.
Later, when user equipment 404 needs that multicast group is added, it can send and (be denoted as the second message of multicast request
Message 43).Message 43 carries user equipment 404 and requests the target multicast group information (such as multicast group address) being added.
BRAS-DP equipment 402 receives message 43 by interface (Port2_4), checks whether Port2_4 enables controllably
Multicast functionality.
BRAS-DP equipment 402, then can be according to the source of message 43 when checking that Port2_4 enables controllable multicast function
IP address, that is, IP11 finds user's list item comprising the IP11 in local user's table.BRAS-DP equipment 402 checks the lookup
To user's list item in multicasting authorization information in the presence or absence of message 43 carry target multicast group information.BRAS-DP equipment
402 check in multicasting authorization information in the user's list item found there are the target multicast group information that message 43 carries,
The target multicast group of its request is added in the user equipment 404 for then allowing to send message 43.For example, include in multicasting authorization information with
The address of lower three multicast groups: 225.0.0.1,225.0.0.2,225.0.0.3, and the target multicast group information that message 43 carries
Address including following multicast group: 225.0.0.1, then it represents that exist in the multicasting authorization information in the user's list item found
Target multicast group is added in the target multicast group information that message 43 carries, the user equipment 404 for allowing to send message 43
225.0.0.1.It is not present in the multicasting authorization information in the user's list item found conversely, BRAS-DP equipment 402 checks
The target multicast group information that message 43 carries then forbids the user equipment 404 for sending message 43 that the target multicast of its request is added
Group.For example, include the address of following three multicast groups: 225.0.0.1,225.0.0.2,225.0.0.3 in multicasting authorization information,
And the target multicast group information that message 43 carries includes the address of following multicast group: 225.0.0.4, then it represents that the use found
There is no the target multicast group information that message 43 carries in multicasting authorization information in the list item of family, BRAS-DP equipment 402 forbids sending out
Deliver newspaper text 43 user equipment 404 be added target multicast group 225.0.0.4.
It is to be executed when BRAS-DP equipment 402 checks that Port2_4 enables controllable multicast function above.And work as
When BRAS-DP equipment 402 checks that Port2_4 is not enabled on controllable multicast function, then it can directly allow to send the user of message 43
The target multicast group of its request is added in equipment 404, does not execute the control of multicast group addition.
Similarly, it when user equipment 405 needs that multicast group is added, also can need to be added according to similar user equipment 404
Processing mode when multicast group executes, and which is not described herein again.
By being described above as can be seen that BRAS-DP equipment can control user equipment addition group in the case where BRAS turns control separation
Group is broadcast, this realizes effective control to multicast user, also meets operator to the operation demand of the business such as IPTV.
So far, the description of above-described embodiment is completed.
Referring to Fig. 5, Fig. 5 is structure drawing of device provided in this embodiment.The device is applied to BRAS-CP equipment, comprising:
First message receiving unit, for receiving the first message of BRAS-DP device forwards, first message is used by oneself
Family equipment authenticates the user equipment for triggering BRAS-CP equipment；
First multicasting authorization unit will be corresponding with the user equipment for when the user equipment passes through certification
Multicasting authorization information is issued to the BRAS-DP equipment, to be controlled by the BRAS-DP equipment according to the multicasting authorization information
Multicast group is added in the user equipment.
In one example, multicasting authorization information is pre-configured in above-mentioned BRAS-CP equipment；Alternatively, the multicasting authorization
Information is that above-mentioned BRAS-CP equipment is obtained from the certificate server of external connection.
So far, the structure chart of Fig. 5 shown device is completed.
Referring to Fig. 6, Fig. 6 is another structure drawing of device provided in this embodiment.The device is applied to BRAS-DP equipment, packet
It includes:
Retransmission unit, for BRAS-CP equipment will to be forwarded to from the first message of user equipment；
Second multicasting authorization unit, for receive BRAS-CP equipment the user equipment by certification after send with
The corresponding multicasting authorization information of the user equipment；
Second message receiving unit, for receiving the second message from the user equipment, the second message is for requesting
Multicast group is added；
Multicast control unit, when for enabling controllable multicast function in the first interface for receiving second message,
The user equipment is controlled according to multicasting authorization information corresponding with the user equipment, and multicast group, the controllable multicast function is added
The permission that multicast group is added can be used to control.
In one example, the second message carries the target multicast group information that the user equipment requests are added；It is based on
This, multicast control unit controls the user equipment according to multicasting authorization information corresponding with user equipment and multicast group packet is added
It includes:
Judge in the multicasting authorization information whether to include the target multicast group information,
If it is, allowing the user equipment that the corresponding target multicast group of the target multicast group information is added；
If it is not, then forbidding the user equipment that the corresponding target multicast group of the target multicast group information is added.
In one example, the second message carries the target multicast group information that the user equipment requests are added.It is based on
This, multicast control unit further comprises when the first interface is not enabled on controllable multicast function:
Allow the user equipment that the corresponding target multicast group of the target multicast group information is added.
So far, the structure chart of Fig. 6 shown device is completed.
Accordingly, the present embodiment additionally provides the hardware structure diagram of corresponding diagram 5 or Fig. 6 shown device.As shown in fig. 7, should
Hardware configuration may include: machine readable storage medium and processor, in which:
Machine readable storage medium: store instruction code.
Processor: communicating with machine readable storage medium, reads and executees the instruction code in machine readable storage medium,
To realize multicast control method disclosed in the present embodiment.
So far, the hardware structure diagram of Fig. 7 shown device is completed.
The foregoing is merely the preferred embodiments of the application, not to limit the application, all essences in the application
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should be included within the scope of the application protection.
Claims (10)
1. a kind of multicast control method, which is characterized in that this method is applied to Broadband Remote Access Server BRAS- control plane CP
Equipment, comprising:
The first message of BRAS- data surface DP device forwards is received, first message comes from user equipment, for triggering
BRAS-CP equipment authenticates the user equipment；
It, will multicasting authorization corresponding with the user equipment in certification of the user equipment by the BRAS-CP equipment
Information is issued to the BRAS-DP equipment, to control the user according to the multicasting authorization information by the BRAS-DP equipment
Multicast group is added in equipment.
2. the method according to claim 1, wherein the multicasting authorization information is pre-configured in the BRAS-
CP equipment；Alternatively, the multicasting authorization information is that the BRAS-CP equipment is obtained from the certificate server of external connection.
3. a kind of multicast control method, which is characterized in that this method is applied to Broadband Remote Access Server BRAS- data surface DP
Equipment, comprising:
The first message from user equipment is forwarded to BRAS- control plane CP equipment；
Receive the multicasting authorization corresponding with the user equipment that BRAS-CP equipment is sent after the user equipment is by certification
Information；
The second message from the user equipment is received, multicast group is added for requesting in the second message；
When the first interface for receiving second message enables controllable multicast function, according to corresponding with the user equipment
Multicasting authorization information control the user equipment multicast group be added, the controllable multicast function is used to control addition multicast group
Permission.
4. according to the method described in claim 3, it is characterized in that, second message carries the user equipment requests adds
The target multicast group information entered；
Basis multicasting authorization information corresponding with user equipment controls the user equipment addition multicast group
Judge in the multicasting authorization information whether to include the target multicast group information,
If it is, allowing the user equipment that the corresponding target multicast group of the target multicast group information is added；
If it is not, then forbidding the user equipment that the corresponding target multicast group of the target multicast group information is added.
5. according to the method described in claim 3, it is characterized in that, second message carries the user equipment requests adds
The target multicast group information entered；
When the first interface is not enabled on controllable multicast function, this method further comprises:
Allow the user equipment that the corresponding target multicast group of the target multicast group information is added.
6. a kind of multicast control device, which is characterized in that the device is applied to Broadband Remote Access Server BRAS- control plane CP
Equipment, comprising:
First message receiving unit, for receiving the first message of BRAS- data surface DP device forwards, first message is come from
User equipment authenticates the user equipment for triggering BRAS-CP equipment；
First multicasting authorization unit will be with the use in certification of the user equipment by the BRAS-CP equipment
Equipment corresponding multicasting authorization information in family is issued to the BRAS-DP equipment, with by the BRAS-DP equipment according to the multicast
Authorization message controls the user equipment and multicast group is added.
7. device according to claim 6, which is characterized in that the multicasting authorization information is pre-configured in the BRAS-
CP equipment；Alternatively, the multicasting authorization information is that the BRAS-CP equipment is obtained from the certificate server of external connection.
8. a kind of multicast control device, which is characterized in that the device is applied to Broadband Remote Access Server BRAS- data surface DP
Equipment, comprising:
Retransmission unit, for BRAS- control plane CP equipment will to be forwarded to from the first message of user equipment；
Second multicasting authorization unit, for receive BRAS-CP equipment in the user equipment recognizing by the BRAS-CP equipment
The multicasting authorization information corresponding with the user equipment sent after card；
Second message receiving unit, for receiving the second message from the user equipment, the second message is added for requesting
Multicast group；
Multicast control unit, when for enabling controllable multicast function in the first interface for receiving second message, according to
Multicasting authorization information corresponding with the user equipment controls the user equipment and multicast group is added, and the controllable multicast function is used
The permission of multicast group is added in control.
9. device according to claim 8, which is characterized in that second message carries the user equipment requests and adds
The target multicast group information entered；
The multicast control unit controls the user equipment according to multicasting authorization information corresponding with user equipment and multicast is added
Group includes:
Judge in the multicasting authorization information whether to include the target multicast group information,
If it is, allowing the user equipment that the corresponding target multicast group of the target multicast group information is added；
If it is not, then forbidding the user equipment that the corresponding target multicast group of the target multicast group information is added.
10. device according to claim 8, which is characterized in that second message carries the user equipment requests
The target multicast group information of addition；
The multicast control unit further comprises when the first interface is not enabled on controllable multicast function:
Allow the user equipment that the corresponding target multicast group of the target multicast group information is added.
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