Information switching realizing system and method and scheduling algorithm

Abstract

The invention relates to a system for realizing information communication and relative distribution method. Wherein, said system comprises an input port and a communicate unit; the input port is used to input data pack; said communicate unit is used to communicate date between the input port and the output port; the input port has delay queue; the input port divides each delay queue and selects data pack to be transferred to the communicate unit; the communicate unit stores the data pack and selects data pack to be transferred to the output port. The invention can divide the service data, and increase the insulation level according to the service demand.

Description

technical field [0001] The invention relates to the field of network communication of information technology, in particular to a system and method for realizing information exchange and a scheduling algorithm. Background technique [0002] The switching fabric is the main architecture for fast packet forwarding at present. The previous design idea is to consider its versatility, that is, the ports of the switching fabric are designed for all possible arriving services, so the processing capabilities provided by the switching fabric are also same. Most of the existing technologies are based on this to study the performance of the switching structure, and design different caching strategies, such as output queuing (OQ, Output-Queued) structure, input queuing (IQ, Input-Queued) structure, joint input and output Queuing (CIOQ, Combined Input-Output-Queued) structure, etc. [0003] refer to figure 1 In the switching system of prior art 1, all buffer queues in the output queuin...

AI Technical Summary

Problems solved by technology

[0007] 1. The pertinence of the port design is not strong, and the isolation is relatively poor;

[0008] 2. Each port is oriented to all businesses and processes all business data without distinguishing business data, which is not conducive to distinguishing services

However, the priority characteristics of the DWRR algorithm are not good enough. In terms of supporting low-latency services, its performance is worse than priority queuing.

[0016] According to the shortcomings of the above-mentioned several scheduling algorithms, it can be seen that the defect of the existing technology is that it cannot meet the four requirements of priority, algorithm complexity, delay and fairness at the same time.

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