Computer Systems (TOCS)


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ACM Transactions on Computer Systems (TOCS), Volume 24 Issue 1, February 2006

Cryptography as an operating system service: A case study
Angelos D. Keromytis, Jason L. Wright, Theo De Raadt, Matthew Burnside
Pages: 1-38
DOI: 10.1145/1124153.1124154
Cryptographic transformations are a fundamental building block in many security applications and protocols. To improve performance, several vendors market hardware accelerator cards. However, until now no operating system provided a mechanism that...

Performance analysis of TLS Web servers
Cristian Coarfa, Peter Druschel, Dan S. Wallach
Pages: 39-69
DOI: 10.1145/1124153.1124155
TLS is the protocol of choice for securing today's e-commerce and online transactions but adding TLS to a Web server imposes a significant overhead relative to an insecure Web server on the same platform. We perform a comprehensive study of the...

The costs and limits of availability for replicated services
Haifeng Yu, Amin Vahdat
Pages: 70-113
DOI: 10.1145/1124153.1124156
As raw system performance continues to improve at exponential rates, the utility of many services is increasingly limited by availability rather than performance. A key approach to improving availability involves replicating the service across...