Published: 02 October 2008
Analyst(s): Richard Jones
As business operations' dependency on IT infrastructure continues to increase in response to the need for faster and leaner business processes, the need for these systems to be highly and continuously available also increases. Not only do high-availability designs focus on automatically detecting and reacting to failures, but, more importantly, they also focus on mitigating the downtime required for standard maintenance tasks. This Reference Architecture template outlines the approach and architecture to five levels of availability from no-recoverability to continuous availability and disaster recovery.
©2021 Gartner, Inc. and/or its affiliates.
All rights reserved.
Gartner is a registered trademark of Gartner, Inc. and its affiliates.
This publication may not be reproduced or distributed in any form without Gartner’s prior written permission.
It consists of the opinions of Gartner’s research organization, which should not be construed as statements of fact.
While the information contained in this publication has been obtained from sources believed to be reliable, Gartner disclaims all warranties as to the accuracy, completeness or adequacy of such information.
Although Gartner research may address legal and financial issues, Gartner does not provide legal or investment advice and its research should not be construed or used as such.
Your access and use of this publication are governed by Gartner’s Usage Policy.
Gartner prides itself on its reputation for independence and objectivity.
Its research is produced independently by its research organization without input or influence from any third party.
For further information, see
Guiding Principles on Independence and Objectivity.