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The U.S. Department of Defense (DoD) plans to modernize the Defense Message System (DMS) to reduce costs and improve services. DMS includes all hardware, software, procedures, standards, facilities, and personnel used to exchange messages electronically in DoD. DMS today has two separate parts....
The paper presents a new version of the CSMA algorithm which improves the performances of 1-persistent CSMA without the need of collision detection, and without any rescheduling of frames, and thus any waste of bandwidth. Performances are evaluated both through experimental data and through a...
Recent work in queueing theory has provided a means by which queue lengths can be estimated based solely on information about service completions. The work yields algorithms that permit the estimation of invisible or disperse queues which would be difficult to measure directly. These algorithms...
The Kerberos authentication system, a part of MIT's Project Athena, has been adopted by other organizations. Despite Kerberos's many strengths, it has a number of limitations and some weaknesses. Some are due to specifics of the MIT environment; others represent deficiencies in the protocol...
We use simulation to make some observations about the behavior of the congestion control algorithm currently embedded in the 4.3-Tahoe BSD TCP implementation. We investigate a simple case of a few TCP connections, originating and terminating at the same pair of hosts, using a single bottleneck...
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