...researchers

Sally Floyd, Van Jacobson and others, End-to-end mailing list end2end-tf@isi.edu, 1994.

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...group

The mechanism describing this negotiation is not given.

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...switches

ATM switches perform cell routing, and so are analogous to routers in packet-switched networks.

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...RBCC

Rate-Based Congestion Control.

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...TRUMP

a reshuffled acronym standing for Reliable Unicast Transport Protocol.

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...passing

Protocols such as TCP and TP4 associate two data streams between a pair of connected endpoints; one in each direction.

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...connection

i.e uniquely identifies the connection for both the source and destination.

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...RBCC

Rate Based Congestion Control

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...router

Note that R may be $\infty$ when there is no bottleneck router.

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...language

This code is abstracted from the file router/rbcc.c in the modified REAL network simulator, described in Chapter 8.

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...ABTs

One for the data flow and one for the acknowledgment flow.

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...x-sim

Written by Norm Hutchinson and Larry Peterson and others at the University of Arizona and elsewhere.

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...code

Comment lines are excluded, and the source has been formatted with the indent(1) program.

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...flows

i.e flows no longer crossing through the router.

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...seconds

In fact, for all scenarios, TCP Reno and TCP Vegas get the jump on TRUMP by transmitting without performing any handshaking. Similarly, neither Reno nor Vegas perform connection termination.

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...curve

Strictly speaking, the derivative of the sequence number curve.

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...congested

i.e. buffer sizes do not exceed one packet.

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...generated

The 4.4BSD rand() function was used, which conforms to the ANSI C standard. For each scenario generated, it was seeded with the current time in seconds since 1970. There was a delay of at least 100 seconds between the generation of each scenario.

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...0.84:0.99

Normalised utilisation: a utilisation of 1.00 is full utilisation.

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...change

The time resolution in REAL 4.0 is 1 microsecond.

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...fifth

A run of 500 scenarios for a particular 5-tuple typically takes between 7 and 10 hours to complete. It is infeasible to thoroughly explore the 5-space.

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...processor

The macro processor used is the C preprocessor.

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