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Scalable Consistency Protocols for Distributed Services \Lambda Mustaque Ahamad
 

Summary: Scalable Consistency Protocols for Distributed Services \Lambda
Mustaque Ahamad
College of Computing
Georgia Institute of Technology
Atlanta, GA 30332
Rammohan Kordale
Scalable Information Systems
Silicon Graphics Inc.
Mountain View, CA 94087
August 1997
Abstract
A common way to address scalability requirements of distributed services is to employ
server replication and client caching of objects that encapsulate the service state. The
performance of such a system could depend very much on the protocol implemented by
the system to maintain consistency among object copies. We explore scalable consistency
protocols that never require synchronization and communication between all nodes that
have copies of related objects. We achieve this by developing a novel approach called
local consistency (LC). LC based protocols can provide increased flexibility and efficiency
by allowing nodes control over how and when they become aware of updates to cached
objects. We develop two protocols for implementing strong consistency using this approach

  

Source: Ahamad, Mustaque - College of Computing, Georgia Institute of Technology

 

Collections: Computer Technologies and Information Sciences