Method and device for forwarding messages

Abstract

The invention provides a method and device for forwarding messages. The method comprises the following steps: carrying out Hash operation in accordance with parameters for identifying streams to which the messages belong in the messages so as to obtain initial Hash values; carrying out two different Hash operations on the initial Hash values so as to obtain two different Hash values; selecting one equivalent router among equivalent routings which arrive at the destination internet protocol (IP) address of the messages in accordance with the one of the two Hash values, and selecting one port among aggregation ports corresponding to the selected equivalent routers in accordance with the other one Hash value; and forwarding the messages by the selected port. According to the invention, the different messages which are forwarded by the same member routers of the equivalent routings are shared on the different ports of the aggregation ports corresponding to the member routers for forwarding.

Description

technical field [0001] The invention relates to data communication technology, in particular to a message forwarding method and device. Background technique [0002] In data communication technology, in order to expand link bandwidth, link bundling is proposed. Among them, for the three-layer technology, the main form of link bundling is equivalent routing. For Layer 2 technology, the main form of link bundling is port aggregation. [0003] In many application scenarios such as Internet data centers (IDCs), layer 2 and layer 3 links are bundled together to maximize bandwidth expansion. [0004] pass below figure 1 Describe the packet forwarding process when Layer 2 and Layer 3 link bundling are used together. [0005] Such as figure 1 As shown, the process may include the following steps: [0006] Step 101: Receive a message, and use a fixed hash (HASH) algorithm to perform a hash operation on the source IP address and the destination IP address in the message to obtai...

AI Technical Summary

Problems solved by technology

[0010] However, the technical problem in the above existing forwarding methods is that the packets forwarded through the same member route in the equivalent route will be forwarded through the same port of the aggregation port corresponding to the member route, while the other packets of the aggregation port corresponding to the member route The member ports are idle and wasteful, which will obviously lead to uneven loads on member ports and the problem that they cannot be fully utilized

Images