MobiCom 2010 Poster: TCPSpeaker: Clean and Dirty Sides of the Same Slate
Source: Technische Universität Berlin
The performance and fairness problems of TCP in Wireless Mesh Networks (WMNs) are well known. Approaches to solve them fall roughly into two classes: those which maintain legacy TCP compatibility, and clean-slate protocols which redefine WMN transport, breaking TCP compatibility. Clean-slate approaches such as block-switched and cross-layer transport protocols break the end-to-end principle, using intermediate WMN nodes for intelligent caching and pacing and show significant throughput and flow fairness improvements. Clean-slate approaches however, exclude TCP-speaking clients from the network and as such, their practical impact as well as live-network evaluation potential is severely limited.