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Distributing system, method and device for group key control message

A technology for controlling message and distribution system, applied in the field of network communication, can solve the problems of poor scalability, low efficiency of group key server, large delay in distribution of group key control message, etc., so as to avoid inefficiency, improve availability and Scalability, the effect of eliminating dependencies on multicast services

Inactive Publication Date: 2007-08-22
HUAWEI TECH CO LTD
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  • Summary
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Problems solved by technology

[0024] Embodiments of the present invention provide a distribution system, method and device for a group key control message, which can solve the problem of low efficiency and poor scalability of the group key server, and eliminate the need for the group key management system to deploy multicast services in the deployed environment. Dependence, the disadvantage of relatively large delay in the distribution of group key control messages

Method used

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  • Distributing system, method and device for group key control message
  • Distributing system, method and device for group key control message

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Embodiment Construction

[0042] Embodiments of the present invention provide a system, method and device for distributing group key control messages. The software corresponding to the embodiments of the present invention may be stored in a computer-readable storage medium.

[0043] The following describes the embodiment of the present invention in detail with reference to the accompanying drawings. The structure diagram of the system for distributing the group key control message in the embodiment of the present invention is shown in FIG. 1 . Including: root node, distribution tree establishment node and child nodes.

[0044] Distribution tree establishment node: used to establish a distribution tree of a group key control message in the system, the structure of the embodiment of the distribution tree described in the embodiment of the present invention is shown in Figure 2, and the structure of the distribution tree is suitable for centralized management Group key management model and distributed ne...

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Abstract

A method for distributing composite cipher key control message includes setting up distribution tree of composite cipher key control message in composite cipher key management unit, down-sending composite cipher key control message to sub-node by root-node according to distribution tree, carrying out relevant retransmission or local treatment on received composite cipher key control message by sub-node. The system and device used for realizing said method are also disclosed.

Description

technical field [0001] The invention relates to the field of network communication, in particular to a system, method and device for distributing group key control messages. Background technique [0002] Multiparty communication refers to a communication scenario involving two or more members, and a scenario where only two members participate is a special case of multiparty communication. Multi-party communication scenarios generally have multiple data receivers and one or more data senders. In the multi-party communication, the unicast technology or the multicast technology can be used to send messages, and it is easier to realize the multi-party communication by using the multi-cast technology than by using the unicast technology. [0003] Common multi-party communication scenarios include remote multi-party conferences, IP telephony, IPTV, online games, and grid computing. Multi-party communication security refers to providing access control (authorization, authenticati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08H04L9/30H04L12/56
CPCH04L9/0836
Inventor 刘亚梁潇
Owner HUAWEI TECH CO LTD
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