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A Multi-core Approach to Providing Fault Tolerance for Non-deterministic Services
Description
With the advent of multi- and many-core architectures, new opportunities in fault-tolerant computing have become available. In this paper we propose a novel process replication method that provides transparent failover of non-deterministic TCP services by utilizing spare CPU cores. Our method does not require any changes to the TCP protocol, does not require any changes to the client software, and unlike existing solutions, it does not require any changes to the server applications either. We measure performance overhead on two real-world applications, a multimedia streaming service and an Internet Relay Chat daemon and show that the imposed overhead is minimal as the price of seamless failover. Our prototype implementation consists of a kernel module for Linux 2.6 without any changes to the existing kernel code.
Journal
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- 2010 Ninth IEEE International Symposium on Network Computing and Applications
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2010 Ninth IEEE International Symposium on Network Computing and Applications 233-238, 2010-07-01
IEEE
