WAN clustering for disaster recovery
What you will learn:
This podcast provides information about
clustering for disaster recovery, its pros and cons, and what you need to watch out for.
Wide area network (Wan) clustering
is often referred to high availability clustering, geoclustering, or remote clustering.
is the use of multiple computers, multiple
, and redundant interconnections, to form what appears to users as a single highly available system. The benefits of Wan clustering are the same as traditional clustering, however implementing clustering over a distance via a Wan adds a level of complexity and introduces a number of things to consider.
Some of the topics covered in this podcast include:
Products in the market today
What to consider before making a purchase
Types of Wan clustering -- active/active, active/passive
How replication and mirroring tie in to Wan clustering for disaster recovery
Recovery time objective and failover considerations
Download "Wan clustering for disaster recovery".
About the author: Pierre Dorion is a certified business continuity professional for Mainland Information Systems Inc.
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This was first published in July 2007