Providing Internet service over satellite depends largely on providing good Transmission Control Protocol (TCP) performance. This panel will discuss the issues with today's TCP, solved and unsolved problems, the relevance to commercial, NASA, and military applications, and approaches to dealing with or avoiding TCP problems. Dr. Craig Partridge will provide an overview presentation on TCP performance over satellite. The remaining panel members will each provide brief presentations (about 5 minutes) on specific topics of their choosing. Following the presentations there will be an open question and answer period.