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Abstracts - 1997 ANNUAL TECHNICAL CONFERENCE
Using Smart Clients to Build Scalable Services
Chad Yoshikawa, Brent Chun, Paul Eastham, Amin Vahdat, Thomas Anderson, and David Culler
Computer Science Division, University of California, Berkeley, CA 94720
Abstract
Individual machines are no longer sufficient to handle the offered load
to many Internet sites. To use multiple machines for scalable
performance, load balancing, fault transparency, and backward
compatibility with URL naming must be addressed. A number of approaches
have been developed to provide transparent access to multi-server
Internet services including HTTP redirect, DNS aliasing, Magic Routers,
and Active Networks. Recently, however, portable Java code and lightly
loaded client machines allow the migration of certain service
functionality onto the client. In this paper, we argue that in many
instances, a client-side approach to providing transparent access to
Internet services provides increased flexibility and performance over
the existing solutions. We describe the design and implementation of
Smart Clients and show how our system can be used to provide
transparent access to scalable and/or highly available network services,
including prototypes for: telnet, FTP, and an
Internet chat application.
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