Access layer switch in IPTV (Internet Protocol Television) network and processing method thereof
An access layer switch and network technology, applied in the IPTV field, can solve the problems of wasting network bandwidth and occupying too much network bandwidth, and achieve the effect of saving network bandwidth
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Embodiment 1
[0036]It should be noted that the first user hereinafter may be any user, and does not specifically refer to a certain user.
[0037] Such as figure 2 As shown, the processing method of the access layer switch in the IPTV network of Embodiment 1 of the present application includes the following steps:
[0038] Step S201, the access layer switch receives each role and its corresponding channel multicast group address set that is allowed to watch from the AAA server, and saves it in the local role channel table; the structure of the role channel table on the access layer switch It can be shown in Table 1:
[0039] Table 1
[0040] Role Name
Set of channel multicast group addresses allowed to watch
Role1
G1, G11, G12, G13
Role2
G2, G21, G22, G23
[0041] The AAA server is pre-configured with each role and its corresponding channel multicast group address set that is allowed to watch. The set may contain at least one channel multicast...
Embodiment 2
[0078] by figure 1 The IPTV network shown is taken as an example, and the method in the first embodiment is described in detail. For example, the first access layer switch is the access layer switch A1, the first set-top box is the set-top box R1, and the user identifier of the corresponding first user is user1. The specific processing method of the access layer switch A1 includes the following steps:
[0079] Step S301, after the access layer switch A1 starts or enables the multicast feature, it receives the multicast group address set of each role and its corresponding channels allowed to watch from the AAA server S2, and then saves it in the local role In the channel table, as shown in Table 1 above.
[0080] The AAA server S2 may send the role and the corresponding multicast group address set of channels allowed to watch through the RADIUS protocol message. Specifically, the attribute field of type=26 in the RADIUS protocol message is used to carry each role and its cor...
Embodiment 3
[0101] For the method of the first embodiment above, the third embodiment of the present application provides an access layer switch in an IPTV network, such as Figure 4 As shown, the following modules are included:
[0102] The receiving module 10 is used to receive each role sent by the AAA server and its corresponding channel multicast group address set that is allowed to watch, and save it in the role channel table in the saving module 50; After the first user authentication is successful, receive the first role set corresponding to the first user sent by the AAA server; also be used to receive the group joining message sent by the first set-top box;
[0103] The obtaining module 20 is configured to obtain the multicast group address set of the first channel allowed to watch corresponding to the first user after the receiving module 10 receives the group joining message sent by the first set-top box, wherein the first channel allowed to watch The multicast group address ...
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