Various Documents and Reports

SCPS Overview Presentations

The following presentation material from recent workshops provides a broad overview of the SCPS:

SCPS Overview
SCPS Application Examples
SCPS Test Summary

SCPS Element Overviews

SCPS File Protocol Overview
SCPS Transport Protocol Overview
SCPS Security Protocol Overview
SCPS Network Protocol Overview

SCPS Testing

SCPS Bent Pipe Experiment Report (PDF) discusses results of SCPS-TP testing over a satellite link.

Final Report of the SCPS-TP Testing on the UK DRA STRV (PDF) - discusses performance of the SCPS-TP when loaded on an orbiting spacecraft and operating over a space/ground TT&C link.

Space Communications Protocol Standards (SCPS) FY97 DOD Test Report (PDF- size 1.2 MB) describes the results of SCPS testing in FY97 over several satellite links for the Department of Defense.

Published Papers

TCP Congestion Control in Shared Satellite Environments, MILCOM 2002 - IEEE Military Communications Conference

TCP Extensions for Space Communications (PDF) discusses potential application of SCPS to mobile and wireless communications problems.

Issues Related to TCP Performance in a Satellite Environment (PDF) discusses TCP performance over commercial communications satellites.

Congestion Control for Mixed-Loss Environments (PDF), a discussion of methods to deal with situations where losses may be due to a mixture of factors other than congestion.

Finally, here are Abstracts of Additional SCPS Papers

SCPS Briefings and Reports

SCPS Requirements Study, an October 1993 joint NASA/DOD study conducted to determine the requirements for the subsequent development of the SCPS protocol stack (PDF).

SCPS Gateway User's Guide for the reference implementation of the SCPS Gateway software.

White Papers

Frequently Asked Questions (FAQ) for Performance Enhancing Proxies (PEPS) discusses PEPS and tips on configuring PEPs

SMB Over WAN discusses the performance of Microsoft’s File Sharing over WANs; relevant to the performance of many upper-layer protocols over RF networks

This May 2005 ACM paper explains why "You Don't Know Jack About Network Performance" - good information for figuring out why your WAN performance is not as good as you had hoped.