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ACM Transactions on Computer Systems (TOCS), Volume 29 Issue 4, December 2011

EventGuard: A System Architecture for Securing Publish-Subscribe Networks
Mudhakar Srivatsa, Ling Liu, Arun Iyengar
Article No.: 10
DOI: 10.1145/2063509.2063510

Publish-subscribe (pub-sub) is an emerging paradigm for building a large number of distributed systems. A wide area pub-sub system is usually implemented on an overlay network infrastructure to enable information dissemination from publishers to...

Efficient Testing of Recovery Code Using Fault Injection
Paul D. Marinescu, George Candea
Article No.: 11
DOI: 10.1145/2063509.2063511

A critical part of developing a reliable software system is testing its recovery code. This code is traditionally difficult to test in the lab, and, in the field, it rarely gets to run; yet, when it does run, it must execute flawlessly in order to...

Depot: Cloud Storage with Minimal Trust
Prince Mahajan, Srinath Setty, Sangmin Lee, Allen Clement, Lorenzo Alvisi, Mike Dahlin, Michael Walfish
Article No.: 12
DOI: 10.1145/2063509.2063512

This article describes the design, implementation, and evaluation of Depot, a cloud storage system that minimizes trust assumptions. Depot tolerates buggy or malicious behavior by any number of clients or servers, yet it provides safety and...