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Router Assisted congestion control Protocols (RAPs) appear to be the most efficient solutions to the TCP performance degradation issue in high Bandwidth Delay Product (BDP) networks. Global deployment of RAPs such as XCP, VCP, and MPCP however, has been challenging due to their need for router support. In this paper, the authors propose RAPPEP a framework for deploying RAPs on potential congestion zones such as satellite links that are locally utilizing the architecture of TCP Performance Enhancement Proxy (PEP). Such a marriage allows for an immediate deployment of RAPs without the need for global router support, while still being able to take advantage of sophisticated RAPs.
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