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n-1-2-075.01a
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N-1-2-075.01 Internet Digest by Deborah Estrin, <estrin@usc.edu>
Internetworking: Research and Experience is a quarterly, refereed,
journal published by Wiley (D. Comer, R. Droms, D. Estrin, and L.
Svobodova are the Editors).
In the last two issues of 1991 there were several papers of interest
to the ISOC community.
"BERGATE--Interconnection of MAP/TOP Networks via Broadband ISDN", by
T. Luckenbach, GMD-FOKUS, describes a VMEbus system developed to
support communication between distributed MAP/TOP networks by means of
140 Mbits/s channels provided by the Berkom test network. In addition,
TCP/IP routing and end-system functionality is supported.
"On the Efficient Implementation of Fair Queueing", by S. Keshav, AT&T
Bell Laboratories, studies the data structures and algorithms for the
efficient implementation of fair queueing. Fair queueing is a queue
service discipline for routers and switches that has been shown to
have several advantages over the traditional first-come-first-serve
discipline. The paper presents a novel performance evaluation
methodology and uses it to evaluate the relative merits of several
alternate implementations.
"Design and Evaluation of Inter-Domain Policy Routing Protocols", by
L. Breslau and D. Estrin (University of Southern California),
discusses inter-domain routing protocols in the context of three
design parameters: location of routing decision, expression of policy,
and algorithm used. Several routing architectures are described. The
authors conclude that an architecture based upon source routing, a
link state algorithm, and policy information in the link state
advertisements is best able to support source-specific policies and
special types of service. However, an architecture using a distance
vector algorithm and hop by hop routing presents certain advantages
when less policy control is needed.
"Privacy-enhanced Electronic Mail", by M. Bishop, Dartmouth College,
describes the mechanisms developed by the Internet Privacy and
Security Research Group to provide security enhancements for
electronic mail. The first set of mechanisms is a protocol to provide
privacy, integrity, and authentication for electronic mail; the second
is a certificate-based key management infrastructure to support key
distribution throughout the internet. The paper describes and
evaluates the mechanisms and discusses the reasons behind their
selection.