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A configurable and extensible transport protocol

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3 Author(s)
Wong, G.T. ; Dept. of Comput. Sci., Arizona Univ., Tucson, AZ, USA ; Hiltunen, M.A. ; Schlichting, R.D.

The ability to configure transport protocols from collections of smaller software modules allows the characteristics of the protocol to be customized for a specific application or network technology. This paper describes an approach to building such customized protocols using Cactus, a system in which micro-protocols implementing individual attributes of transport can be combined into a composite protocol that realizes the desired overall functionality. In contrast with similar systems, Cactus supports non-hierarchical module composition and event-driven execution, both of which increase flexibility and allow finer-grain modules implementing orthogonal properties. To illustrate this approach, the design and implementation of a configurable transport protocol called CTP is presented. CTP allows customization of a number of properties including reliable transmission, congestion detection and control, jitter control, and message ordering. This suite of micro-protocols has been implemented using Cactus/C 2.0 on Red Hat Linux 6.2, with initial experimental results indicating that the ability to target the guarantees more precisely to the needs of applications can in fact result in better performance

Published in:

INFOCOM 2001. Twentieth Annual Joint Conference of the IEEE Computer and Communications Societies. Proceedings. IEEE  (Volume:1 )

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