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Method and system of transmitting packet

A message and broadcast message technology, applied in the field of network communication, can solve the problems of unguaranteed message transmission, unguaranteed user communication, and reduced reliability of flexible QinQ, so as to improve reliability, improve business service quality, and ensure The effect of transmission

Inactive Publication Date: 2010-09-22
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, the intercommunication between user networks depends entirely on this VLAN 1000. Once this VLAN 1000 fails, the transmission of packets between user networks and user communication cannot be guaranteed, which greatly reduces the reliability of using flexible QinQ on the network side. performance, reducing the business service quality on the network side

Method used

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  • Method and system of transmitting packet
  • Method and system of transmitting packet
  • Method and system of transmitting packet

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] For ease of description, the following takes the configured VLAN channel including VLAN 1000 and VLAN 2000 as an example for illustration.

[0049] Step 402: Set priorities for each configured VLAN channel.

[0050] Here, the priority may range from 1 to 4094, wherein priority 1 is the highest, and when the priorities are the same, a VLAN channel with a smaller VLAN tag value has a higher priority.

[0051] Step 403: For each edge routing device, set a corresponding link identifier (LINKID) for each link of the edge routing device corresponding to each VLAN channel.

[0052] here, see image 3 For example, you can set the corresponding link ID LINKID 1 for the link AC corresponding to VLAN 1000 between edge routing device 1 and edge routing device 2, and set the corresponding link ID LINKID 1 for the link AC corresponding to VLAN 2000 between edge routing device 1 and edge routing device 2. Route AC sets the corresponding link ID LINKID 2, sets the corresponding link ...

Embodiment 2

[0091] Step 503: When user 1 in user network 1 needs to communicate with user 2 in user network 2, user 1 in user network 1 sends a broadcast packet carrying its own MAC address 1 to edge routing device 1.

[0092] Step 504: The edge routing device 1 directly selects all the configured VLAN channels, and sends the broadcast message to the edge routing device 2 and the edge routing device 3 through all the VLAN channels.

[0093] Here, since the message is sent to the user 2 in the user network 2 connected to the edge routing device 2, the edge routing device 3 discards the broadcast message after receiving the broadcast message.

[0094] Step 505: After receiving the broadcast message through each VLAN channel, the edge routing device 2 selects the VLAN channel with the highest priority for receiving the broadcast message, and establishes the first link between the selected VLAN channel identifier and MAC address 1 in itself. Two correspondences.

[0095] Step 506: The edge r...

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PUM

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Abstract

The present invention discloses a method and a system for packet transmission. In the present invention, at least two virtual local area network (VLAN) channels are arranged for the user; an edge routing equipment transmits the packet by utilizing the available VLAN channel in each arranged VLAN channel after receiving the packet sent by the user network, particularly, the edge routing equipment transmits the packet by utilizing the available VLAN channel with highest priority level in each arranged VLAN channel. In the present invention, any one VLAN channel has a fault, the edge routing equipment can still use other VLAN channel to transmit the packet, therefore, the communication of the user is ensured, thereby the reliability of the network side using the flexible QinQ is enhanced, and the business service quality of the network side is improved.

Description

technical field [0001] The invention relates to network communication technology, in particular to a method and system for transmitting messages by using the QinQ protocol. Background technique [0002] The QinQ protocol is a tunnel protocol based on 802.1q encapsulation. The QinQ protocol carries two layers of 802.1qta packets, thereby shielding the virtual local area network (VLAN) used internally by users, reducing the number of VLANs on the service provider network, breaking through the 4K VLAN limit of the 802.1q protocol, and expanding the scope of VLANs. It can be seen that the QinQ protocol solves the problem of increasingly scarce public network VLAN ID resources, and enables users to plan their own private network VLAN IDs without causing conflicts with public network VLAN IDs. Therefore, it has broad application prospects. [0003] figure 1 It is a schematic diagram of the network structure when the QinQ protocol is used to transmit packets in the prior art. f...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/56H04L12/46H04L29/06H04L12/725
Inventor 樊斌孙桂晨戴弘林石悌君鲁岩
Owner HUAWEI TECH CO LTD