Lockheed Martin Advanced Technology Laboratories (LM ATL) development of the SCIOP pluggable protocol for TAO was funded under DARPA/IXO's Program Composition for Embedded Systems (PCES) program. The LM ATL PCES project leads, Patrick Lardieri and Gautam Thaker, thank the following individuals for their contributions to the development TAO's SCIOP pluggable protocol. Jason Cohen LM ATL Edward Mulholland LM ATL Keith O'Hara LM ATL Chuck Winters LM ATL We also thank Mr. Brian Bidulock of OpenSS7 (www.openss7.org) for his rapid development of a fully functional Linux implementation of SCTP which made this work possible. We also thank the following individuals for their valuable review and critiques of our SCIOP designs and for the expert advice on the more arcane and subtle aspects of ACE and TAO. Dr. Chris Gill DOC Group Balachandran Natarajan DOC Group Dr. Douglas Schmidt DARPA/IXO, DOC Group Steve Houston OCI