NewsFactor: Who Needs Clusters?
Saturday June 21 2003 @ 10:07PM EDT

The basic strategy for HA clusters is to take existing hardware and raise it to the service level of a mainframe, with availability assurances. And while a number of companies offer proprietary HA technology, it has become a commodity drawing interest from the open-source community.

Such IT giants as HP, IBM and Oracle offer their own HA products, along with several software providers, notably SteelEye, Veritas and PolyServe. Open-source providers include Red Hat and FailSafe, with IBM funding research into a heartbeat model for Linux.

HA cluster customers generally are those with enterprise-grade system experience who are familiar with commodity hardware and want scalability, as well as some who are new to the concept but have a specific operational need--such as e-commerce vendors focused on customer service or ISPs boosting their Web-services offerings.

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