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Network World - When you’re responsible for the network that powers Interop Las Vegas – one of the premier networking technology conferences in the world – avoiding downtime has to be one of the top priorities.
So when network architect Geoff Horne and his team designed this year’s InteropNet in Las Vegas, they set out to achieve levels of redundancy that did not previously exist at the show. Horne embraced virtualization in a major way at last year’s conference, and this year he has begun replicating virtual machines to Global Data Vault, a hosted online backup and disaster recovery service. Secondly, the InteropNet on the show floor was built as two parallel networks -- each containing its own server, storage and networking equipment – which can fail over to each other if necessary.
“We really built a much more redundant network. … The biggest challenge was splitting the network in half and designing it accordingly,” says Horne, a network design consultant who has been volunteering for the InteropNet the past 14 years.
Uptime and reliability have become increasingly important over that time span, Horne notes. When he first started, a 15-minute outage was no big deal. Now if the network goes down for five seconds people start complaining. Hundreds of exhibitors need network connections at their booths, while thousands of attendees rely on wireless access points to get e-mail and use the Web.
Working with Horne are 17 volunteers, and about 100 IT pros overall, mainly supplied by the vendors who donate equipment. The InteropNet is built and dismantled in a single week, and in past years included nearly $10 million worth of vendor-donated equipment and software. In addition to the Las Vegas show, the InteropNet will be reassembled for the New York conference in November.
More than 20 vendors are supporting the Vegas InteropNet this month. The network is using 28 blade servers in the IBM BladeCenter H Chassis; about 2TB of EMC storage; Enterasys switches and routers; and VMware’s vSphere, a software layer designed to virtualize and aggregate servers and storage into a single computing pool.
More key technologies cited by Horne include Coyote Point’s load balancing and application acceleration devices; and Riverbed’s Cascade technology for network and application analysis and reporting.
Horne says his team is running 60 to 80 virtual machines, 30 of them in production, and replicating e-mail, help desk, network monitoring tools and other virtual workloads to Global Data Vault. In addition to having a live backup during the show, Horne says that hosting InteropNet virtual machines in the cloud will allow the network’s technicians to perform further testing and analysis after the conference ends.
“It gives us the ability to keep running diagnostics on the network after the show, the ability to do a better post-mortem,” he says.
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