TCP - IP White Papers

TCP-Friendly Medium Access Control for Ad-Hoc Wireless Networks: Alleviating Self-Contention

Overview This paper focuses on self-contention - contention between packets of the same transport layer connection along the path from source to destination. The paper observes that self-contention plays an important role in degrading TCP performance in multi-hop wireless networks and that the use of the popular IEEE 802.11 MAC protocol exacerbates self-contention. The paper proposes and studies two MAC-layer approaches to alleviate self-contention. The first approach, called Quick Exchange (QE), is designed with the intent of reducing the effects of inter-flow self-contention (e.g. between packets of the same connection traveling in opposite directions). The design of the second mechanism, called Fast-Forward (FF), is geared towards decreasing intra-flow self-contention (e.g. between packets of the same connection traveling in the same direction).

Further White Paper Details
PublisherInstitute of Electrical and Electronics Engineers File FormatPDF
Date PublishedOctober 2004
FormatWhite Papers   
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