Workshop: Improving the
Performance
of TCP Over Satellite Networks
DC
Palter
Vice President, Sales and Marketing
Mentat Inc.
Abstract:
The TCP/IP protocols that are used to transfer data over the Internet and most other
computer networks were never designed for satellite link conditions and can suffer severe
performance limitations. Fortunately, a variety of solutions are available to overcome
these limitations and offer connectivity over satellite comparable in performance to
terrestrial options.
The primary focus of this workshop is to provide a foundation for
understanding the basic design of TCP/IP, explain the causes of its limitations in the
satellite environment and review the different approaches for overcoming these
limitations. Topics that will be covered include:
- Describe the design of TCP/IP and how it works in a satellite environment
- Explain in detail the causes and limitations of TCP over satellites
- Discuss the uses and limitations of the following approaches to improving satellite
network performance:
- Enhancements and modifications to TCP/IP
- Alternative satellite protocols
- Spoofing
- Protocol Gateways
- Multicasting
- Caching
- Data compression
- Describe in detail the design and implementation of protocol gateways and how they
overcome the TCP limitations.
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