System and method for realizing internet set managing protocol on elastic packet ring

A resilient packet ring and management protocol technology, applied in the field of data transmission, can solve the problems of RPR nodes not learning multicast addresses, not implementing IGMP protocol multicast, and wasting Ethernet network bandwidth, so as to save network bandwidth and eliminate security issues. Hidden dangers and the effect of improving safety

Inactive Publication Date: 2010-05-12
北京产权交易所有限公司
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Problems solved by technology

[0018] In practical application, the above solution has the following problems: the existing technical solution causes a waste of Ethernet network bandwidth, and the security cannot be guaranteed
[0019] The main reason for this situation is that the existing technical solutions do not implement IGMP protocol multicast on the RPR ring network, and the RPR nodes do not learn the multicast address. The hosts in the host broadcast the received multicast data frames in the Ethernet network connected to them, which causes a waste of Ethernet network bandwidth; at the same time, the broadcast sends the multicast data frames to irrelevant hosts. Therefore, there are hidden dangers in safety, and safety cannot be guaranteed

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  • System and method for realizing internet set managing protocol on elastic packet ring
  • System and method for realizing internet set managing protocol on elastic packet ring

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Embodiment Construction

[0049] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0050] First, the basic principle of the present invention will be described. In the solution of the present invention, the RPR node responds to the multicast query message broadcast on the RPR ring, broadcasts the multicast response message on the RPR ring, and uses the reserved field of the IGMP protocol message to transmit the MAC address of the RPR node or other RPR ring information, the RPR node establishes a multicast group and a MAC address table for blocking message forwarding according to the MAC address carried in the received multicast response message, and then broadcasts the multicast service message on the RPR ring It is sent to all RPR nodes on the ring, and the RPR node confirms according to the multicast address of the multicast service message wh...

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Abstract

This invention relates to a data transmission technology in a computer network and discloses a system and a method for realizing Internet set management protocol on an elastic packet ring to realize IGMP in the EVPLAN service provided by RPR ring net, in which, multicast messages can be delivered to definite port multicast set to ensure the security of the network and the effectiveness of bandwidth, which fills in the source RPR node address in the remained field of the response message defined by RFC236, the RPR node studies the multicast address based on the response message to set up a multicast set and an address table for forwarding and filtering multicast service messages.

Description

technical field [0001] The invention relates to the data transmission technology in the computer network, in particular to the multicast message forwarding technology in the elastic packet ring. Background technique [0002] With the increasing popularity of Internet and broadband access, in more and more backbone transmission networks at all levels, data services have gradually surpassed voice services and become the dominant service of the transmission network. Resilient Packet Ring (RPR) absorbs the economy of Ethernet (Ethernet) and the 50 millisecond (ms) ring protection feature of Synchronous Optical Network (SDH) system, and constructs an adaptive The Layer 2 network for Ethernet data transmission can provide Quality of Service (QoS for short) management and high-efficiency data service transmission on the existing optical network, and is the most effective way of Ethernet data service transmission , suitable for data, voice and video applications. RPR technology ad...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L29/06H04L12/56H04L12/42H04L47/2466
Inventor 马云飞刘峰
Owner 北京产权交易所有限公司
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