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Design and Implementation Tradeoffs for WideArea Resource Discovery David Oppenheimer + , Jeannie Albrecht # , David Patterson + , and Amin Vahdat #
 

Summary: Design and Implementation Tradeoffs for Wide­Area Resource Discovery
David Oppenheimer + , Jeannie Albrecht # , David Patterson + , and Amin Vahdat #
+ EECS Computer Science Division # Department of Computer Science and Engineering
University of California Berkeley University of California San Diego
{davidopp,patterson}@cs.berkeley.edu {jalbrecht,vahdat}@cs.ucsd.edu
Abstract
This paper describes the design and implementation of
SWORD, a scalable resource discovery service for wide­
area distributed systems. In contrast to previous sys­
tems, SWORD allows users to describe desired resources
as a topology of interconnected groups with required intra­
group, inter­group, and per­node characteristics, along
with the utility that the application derives from vari­
ous ranges of values of those characteristics. This de­
sign gives users the flexibility to find geographically dis­
tributed resources for applications that are sensitive to both
node and network characteristics, and allows the system to
rank acceptable configurations based on their quality for
that application. We explore a variety of architectures to
deliver SWORD's functionality in a scalable and highly­

  

Source: Albrecht, Jeannie - Computer Science Department, Williams College

 

Collections: Computer Technologies and Information Sciences