Greg Ferro, May 22, 2013
A DCI lets companies link two or more data centers together for disaster recovery or business continuity, but it’s not easy. This report provides an overview of the major DCI technologies and describes their pros and cons.
Greg Ferro, Sep 7, 2012
Cloud services shake things up as carriers go slow.
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Greg Ferro, Aug 23, 2012
Respondents to our Next Generation WAN Survey are a highly connected bunch: 44% have 16 or more branch or remote offices linked to their primary data centers. And, Ethernet-based services like MPLS outstripped ISDN among current users, 73% to 56%. What’s next? Demand for dark fiber and private clouds, among other things.
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Greg Ferro, Jan 13, 2012
We look at the pros and cons of OpenFlow and SDN and how they stack up with existing options to simplify
Greg Ferro, Nov 30, 2011
Linking data centers for high availability can be tricky.
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Greg Ferro, Oct 17, 2011
Connecting two data centers for always-on applications is a tricky business. We walk you through the challenges and evaluate the pros and cons of solutions such as VPLS and MLAG.