A configurable and extensible transport protocol

  • Bridges P
  • Wong G
  • Hiltunen M
 et al. 
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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

Author-supplied keywords

  • Configuration
  • Customization
  • Extensibility
  • Product customization
  • Software prototyping
  • Transport protocol
  • Transport protocols

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  • Patrick G. Bridges

  • Gary T. Wong

  • Matti Hiltunen

  • Richard D. Schlichting

  • Matthew J. Barrick

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