Worcester Polytechnic Institute Electronic Theses and Dissertations Collection

Title page for ETD etd-0501103-111419

Document Typethesis
Author NameHoll, David J.
TitleA Performance Analysis of TCP and STP Implementations and Proposals for New QoS Classes for TCP/IP
DepartmentElectrical & Computer Engineering
  • Professor David Cyganski, Advisor
  • Professor Brian King, Committee Member
  • Professor William Michalson, Committee Member
  • Keywords
  • TCP
  • RED
  • satellite
  • PEP
  • STP
  • performance enhancing proxy
  • segment caching
  • IP-ABR
  • Internet
  • bandwidth reservation
  • IP-VBR
  • congestion avoidance
  • bandwidth sharing
  • Date of Presentation/Defense2003-04-10
    Availability unrestricted


    With a new United States Army initiative to exploit commercially developed information technology, there is a heightened interest in using Internet protocols over the military's geosynchronous satellite links. TCP is the dominant Internet protocol used for reliable data exchange, but its own design limits performance when used over long delay network links such as satellites. Initially this research set out to compare TCP with another proposed protocol, the Satellite Transport Protocol (STP). However through a series of tests, we found that STP does not fulfill its claims of increased throughput over TCP and uncovered a flaw in STP's founding research. In addition, this thesis proposes and demonstrates novel performance enhancing techniques that significantly improve transport protocol throughput.

  • dholl.pdf

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