Protocol 802.1X based multicast control method

A control method and multicast technology, applied in branch offices to provide special service devices, data exchange details, data exchange through path configuration, etc., can solve the problem of inability to control users, provide user information, and uncontrollable user multicast join Sex and other issues, to achieve the effect of protection compatibility

Inactive Publication Date: 2003-05-21
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Because this method can only provide the port number and the MAC address of the user host, it cannot provide user information at all, and without user information, it is impossible to perform user-related control
Although the IEEE802.1X protocol is a port-based network access control protocol, it can be managed for users, and one port can accommodate multiple user authentications, but it is still impossible to use the above characteristics to control the user's multicast participation, that is, to control the number of users joining. multicast group, resulting in the uncontrollability of user multicast joining

Method used

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  • Protocol 802.1X based multicast control method
  • Protocol 802.1X based multicast control method
  • Protocol 802.1X based multicast control method

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Embodiment Construction

[0020] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0021] first reference figure 1 . figure 1 The adopted IEEE 802.1X protocol is a port-based network access control protocol, which is used to authenticate and control access clients at the physical access level of network devices. figure 1 There are three entities in China: 802.1X client, 802.1X device, and authentication. Extensible Authentication Protocol (EAP) is used to exchange authentication information between the 802.1X device end and the authentication server at the authentication end. EAPoL is an authentication protocol between an 802.1X client and an 802.1X device. Usually, the device at the access layer of the network needs to implement the device side part of 802.1X; the 802.1X client is installed in the user PC; the 802.1X authentication server system generally resides in the AAA (accounting, authentication and authorization) of the operator ...

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Abstract

The present invention discloses a multicast control method based on 802.1X protocol. This method is to capture the message emitted by the authenticated user who wants to join the multi-broadcasting group. Then it obtains the port and the MAC address of the user from the captured message, searching the corresponding user's account number information from the authenticated data by means of the port and the MAC address. After passing the authentication of the account number and the IP address, the user can be added to the multicast. The method can realize the controlled multicast, the validity authentication and the charge calculation on the user's joining to the multicast, and in favor of protecting the compatibility of the user's current investment and the existing software.

Description

technical field [0001] The invention relates to a multicast control method of a communication network, in particular to a multicast control method based on 802.1X protocol. Background technique [0002] In a communication network, for data forwarding devices such as switches or routers, the forwarded network data is forwarded in groups corresponding to users, which is conducive to data security and utilization of network resources. For example, suppose there is a multicast group G in the network. After the router forwards the data of the multicast group G for a period of time, it will send a query message to see if there are still members of the multicast group G on the network and have joined the multicast group G. The members of the multicast group need to reissue the IGMP (Internet Group Management Protocol) join message as a response to the member query message. When there are no members of the multicast group in the network, the router will not receive the response. At ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L12/18H04L12/28H04L45/16
CPCH04L63/08H04L63/104H04L12/185
Inventor 罗汉军卢瑞昕
Owner HUAWEI TECH CO LTD
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