TCP FECN: a unified solution for wireless networks

R. Chawla, Sukumar Nandi
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引用次数: 6

Abstract

Reliable transport protocols such as TCP are tuned to perform well in traditional wired networks, where packet losses occur mostly because of congestion. However, networks with wireless and other lossy links also suffer from significant losses due to bit errors and handoffs. TCP interprets these delays and losses as signs of network congestion and responds to all these losses by invoking congestion control and avoidance algorithms, resulting in degraded end-to-end performance in wireless and lossy systems. Most of the existing results of TCP for wireless networks are either take care of high bit error rate (BER) at the wireless links or the frequent handoffs and disconnections. This paper presents an integrated TCP mechanism to be used in mobile environments. It takes care of random bit errors on the wireless link, the congestion in the network and typical handoffs; in a cellular network scenario without violating end-to-end semantics.
TCP FECN:无线网络的统一解决方案
可靠的传输协议,如TCP,在传统的有线网络中表现良好,在有线网络中,数据包丢失主要是由于拥塞造成的。然而,具有无线和其他有损链路的网络也会由于比特错误和切换而遭受重大损失。TCP将这些延迟和损失解释为网络拥塞的迹象,并通过调用拥塞控制和避免算法来响应所有这些损失,从而导致无线和有损系统的端到端性能下降。现有的无线网络TCP协议要么处理无线链路的高误码率(BER),要么处理频繁的切换和断开。本文提出了一种用于移动环境的集成TCP机制。它解决了无线链路上的随机误码、网络拥塞和典型的切换问题;在蜂窝网络场景中,不违反端到端语义。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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