RFC 1072: TCP extensions for long-delay paths. Jacobson, V. & Braden, R. T. October, 1988.
bibtex   
@misc{ RFC1072,
  title = {{RFC 1072}: {TCP} extensions for long-delay paths},
  author = {V. Jacobson and R. T. Braden},
  month = {October},
  year = {1988},
  annote = { This document claims that current implementations (current as of the writing of the document) of TCP have a serious performance bottleneck for transmissions along paths with high bandwidth and long round-trip delays. These paths are referred to as a "long, fat pipe" and the network containing such a path is referred to as an "LFN". The document defines three problems with the current TCP over LFN paths and solutions to each of them: \begin{description} ıtem[Window size Limitations] A new TCP option is to be defined. This option will allow for larger windows by specifying a scale factor. This scale factor is to be used to multiply the window size value found in a TCP header to obtain the true window size. ıtem[Cumulative Acknowledgments] Selective acknowledgements (SACK) are suggested to solve this problem. ıtem[Round Trip Timing] Accurate round trip times (RTT) are important for both reliability and retransmission of TCP segments. A TCP "echo" option is suggested for dealing with this area. \end{description} },
  day = {1},
  bibdate = {Thu Oct 16 09:34:09 MDT 1997}
}

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