Definition

mission-critical computing

Contributor(s): Sharon Zaharoff
This definition is part of our Essential Guide: Server uptime and hardware failure guide

Mission-critical computing is an umbrella term for any information technology (IT) system or network device whose loss would cause business operations to fail.

When deploying mission-critical computing, businesses should evaluate technical requirements for resilience and application availability, along with business requirements for return on investment and cost.  For example, if a server supports day-to-day operations, it should have multiple redundant power supplies and backups. Depending on the company's budget and data center physical infrastructure, this could mean N+1, N+2 or even higher redundancy.

 

This was last updated in December 2014

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What's the best way to prevent downtime for mission-critical applications and services?
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The best way to prevent downtime is through strategic development of a plan that identifies potential issues and readiness to respond to technical issues. It's best to utilize a highly experienced partner who understands your business goals, operations and mission-critical environment. With such a partner you can benefit by getting introduced to innovative technologies, preparation for data centre changes and technology shifts, which play a vital role in preventing downtime for mission-critical applications and services.
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