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Published in:
2021 | OriginalPaper | Chapter
12. Burst Forwarding Network
Author : Jingcheng Zhang
Published in: Future Networks, Services and Management
Publisher: Springer International Publishing
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Abstract
For a 10 Mbps Ethernet link, a 1.5 Kb frames consumes 1.2 ms transmission time. This size is generally reasonable for traditional text or email type of applications. Today’s core networks are approaching 400 GbE bandwidth in the core networks and in order to fully utilize this kind of link rates, packet sizes need to be much higher. This also serves new types of applications well since the basic data processing unit of 4K/8K video frames, artificial intelligence (AI), and big data analysis is in the order of 10s of MBs.
This chapter introduces burst forwarding architecture. The burst paradigm deals with packing of a burst of several consecutive packets of an application data processing unit. It specifically addresses high bandwidth and low latency requirements of certain applications, e.g. holographic type of communication. This chapter firstly presents the use cases and identifies the problems of using packet switching. Secondly, the theoretical study of the burst forwarding technology is described in the aspect of network throughput, host data processing performance, data transmission latency, and router buffer requirement. Finally, the burst forwarding network architecture is described. The data packing, data forwarding mechanism, and flow control mechanism are described in detail. The burst forwarding technology is an end-to-end system which optimizes the network performance for the high bandwidth applications.