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Risky Thinking – On Risk Management, Disaster Recovery, and Business Continuity | |
| Home / Risk Glossary / Call Tree | 12 May, 2008 | |
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Call Tree (Definition)A telephone procedure which can be used to notify staff of an emergency. A call tree is typically used to notify staff out of hours. A common arrangement is that one person will call a small group of staff members with a message, then those persons will phone other staff and pass on the message, until finally all relevant members of staff have received the message. To ensure that a call tree is effective it should be regularly tested: missing or changed phone numbers can severely degrade the performance of a call tree. How far away should a hot site or mirror site be?
A question that is often asked when designing a disaster recovery plan is how far away a hot site or mirror site should be. Is there a simple answer? (More...)
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