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Transport Protocols for Department of Defense Data Networks Report to the Department of Defense and the National Bureau of Standards (1985) / Chapter Skim
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10 Evaluation of Options
Pages 53-60

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From page 53...
... SUMMARY Option l's primary benefit is that it would allow the DOD to obtain the benefits of standard commercial products in the communication protocol area at an early date. These benefits include smaller development, procurement, and support costs; more timely updates; and a wider product availability.
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From page 54...
... Functional-and-Performance Objectives There are certain functional and performance objectives that standard DOD transport protocols must satisfy. Key objectives include security capabilities, the ability to establish message precedence in crisis SitUations, and survivability of continuing operations when failures occur and portions of the network become inoperable.
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From page 55...
... The more quickly DOD moves to use TP-4, the more rapidly external interoperability will improve. In the short run internal interoperability will be reduced due to the existence of both TOP and TP-4 protocols by different subsets.
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From page 56...
... The objectives for DOD are to reduce the interruption of data communication services supplied by its active networks; minimize the risk of using an immature, untried protocol; and maximize the use of tne critical skills, knowledge, and experience of the engineers who develop the communications products. The maturity of TCP and the momentum that exists in the DOD community for implementing future systems using TCP would favor Option 3.
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From page 57...
... In the future DOD could minimize the cost of conversion by standardizing the services provided by the transport layer to the applications. Manageability and Responsiveness to DOU Requirements The final set of objectives is concerned with the degree of difficulty that DOD will experience in managing its installed networks and future networks.
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From page 58...
... manufacturers to compete in the world networks market based on ISO standards because they would not have to engage in parallel development nor support two sets of protocols for very long. Option 2 could have a comparable but less pronounced effect in the marketplace and it would be delayed.
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From page 59...
... none of the options would affect the world market for TP-4 greatly, Option 3 would result in a residual market for TOP products in the DOD and reated networks. Products made specifically for this market would continue to exist, but with functions limited to this specific market, the products would lack some of the advantages of large-scale production and product develop meet.
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Key Terms

  • tcp products
  • support costs
  • conversion costs
  • dod chooses
  • chooses option

  • using tcp
  • standards bodies
  • world market
  • commercial products
  • special products

  • standard commercial
  • procurement costs
  • iso standards
  • network architecture
  • protocol products

  • dod remains
  • transport protocols
  • additional management
  • management difficulties
  • remain limited

  • internal interoperability
  • primary benefit
  • implies continuous
  • continuing support
  • continuous availability

  • risk associated
  • special servers
  • accelerating vendor
  • commercialized standard
  • dod networks


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