[Colloq] REMINDER: Hiring Talk - Jean-Philippe Martin - TODAY -April 27 - 110 WVH - 11:45am

[Rachel Kalweit]

College of Computer and Information Science Colloquium
Presents a hiring talk by:
Jean-Philippe Martin

Who will speak on:
"Byzantine Fault-Tolerance and Beyond"

Thursday, April 27, 2006
11:45am
110 West Village H
Northeastern University

Abstract:
Computer systems should be trustworthy in the sense that they should
reliably answer requests from legitimate users and protect confidential
information from unauthorized users. Building this kind of systems is
challenging, even more so in the increasingly common case where control
is split between multiple administrative domains.

Byzantine fault tolerance techniques can elegantly provide reliability
without overly increasing the complexity of the system and have recently
earned the attention of the system community. In the first part of his
talk JP discusses some contributions toward practical Byzantine fault
tolerance---in particular, how to reduce the cost of replication and how
to reconcile replication with confidentiality. In the second part of the
talk, JP argues that Byzantine fault-tolerance alone is not sufficient
to deal with cooperative services under multiple administrative domain,
where nodes may deviate from their specification not just because they
are broken or compromised, but also because they are selfish. To address
this challenge, JP proposes BAR, a new failure model that combines
concepts from Byzantine fault-tolerance and Game Theory. JP will
describe BAR, present an architecture for building BAR services, and
briefly discuss BAR-B,  a BAR-tolerant cooperative backup system.

Host: Jay Aslam


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