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Vol. 2 No. 4 June 2003

Cost-effective business continuity

There are no cookie-cutter business continuity implementations. If disaster strikes, each organization has its own unique requirements to make sure its business can continue. Outside the disaster horizon A key requirement of business continuity is that there's sufficient distance between data storage locations so that a disaster that wipes out one site is unlikely to wipe out another site. In fact, an organization should consider creating several types of business continuity solutions so it can respond to different types of risks. This article and a second one being published next month will look at some of the issues, technologies and products to keep your business afloat in case of a disaster. Traditional disk mirroring offers a familiar method for business continuity that assumes low latency and high bandwidth connections. This can be done with dark fiber or dense wavelength division multiplexing (DWDM). DWDM is a technology that puts data from different sources together on an optical fiber, with each signal carried at the ...

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Features in this issue

  • Inverse multiplexing

    Inverse multiplexing

  • Copy basics

    by  David Braue

    Snapshot and replication are important tools in building a foolproof disaster recovery plan. This article helps you pick the optimal solution that fits within your budget and is best suited for your company's individual backup needs.

  • The case for network smarts

    Let's face it: SANs as they currently exist only deliver about half of what you might hope for in the way of efficiency and optimal utilization. The best bet to deliver the other 50% is network-based storage intelligence. You'll have to get past the magic-wand claims for this latest pancea from storage vendors, though. And not every incarnation of smart switches or appliances is going to be right for you.

Columns in this issue