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The classical Resource ReSerVation Protocol (RSVP) is a flow-based signaling protocol used for reserving resources in the network for a given session. The core of Integrated Service (IntServ) Model is RSVP. RSVP is a unidirectional resource reservation protocol; it can only reserve resources for the TCP data flow along the forward direction path, and cannot provide any protection to the ACK packets against congestion in reverse direction. In order to improve TCP performance over RSVP, we proposed a new protocol called ABi-RSVP (Asymmetry Bi-directional RSVP). ABi-RSVP reserves the backward resource by taking account of the ACK packets size, therefore improves the throughput of TCP flows and enhances the efficiency of the network.
Date of Conference: 27-29 June 2011