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InterStream: TCP

Designated TCP

Several new TCP congestion control systems will be tested including "TCP-Mustang." and relentless TCP. InterStream is operating on three key precepts in testing and implementing these TCP versions:

  1. The vast majority of Internet Bottlenecks will remain unmediated into the near future.
  2. One or more of the congestion control algorithms may obtain service from these unmediated bottlenecks with linear predictability. In other words, a superior version of TCP can be developed which, in effect, offers a premium service level through these bottlenecks and its associated TCP congestion control algorithms will always be able to obtain premium service.
  3. The new congestion control algorithms plus mediation of these bottlenecks will enable Internet "Erlang Formulas" via the association' stream blocking probablity standards for mediated and bottlenecks. Unmediated bottlenecks can offer quasi-linear predictability if a sufficient amount of Internet traffic uses the new TCP congestion control algorithms.. For mediated bottlenecks using the secure mediation controller, these will offer true probabilistic (almost surely) service guarantees when the mediation system is operated by an InterStream association ISP and associated managed services providers.

These precepts have been proven in lab in environments and field trials using tested TCP versions. The next step is to develop standardized broadband capacity metrics which can easily be implemented by wireline and wireless broadband ("access network") ISPs. Therefore, the pilot is sequenced into three phases of implementation to first test the mediation capabilities of new versions of TCP, then to implement standardized capacity measures for these new congestion control algorithms, and finally to enable ISPs to control access to their mediated bottlenecks by establishing mediation policies.

See the InterStream Pilot for details.

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Page last modified on July 21, 2012, at 09:36 AM PST