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Networking blogs: Why Cisco's late SDN entry might not matter

In this week's Networking blogs, analysts discuss the role of VDI and discuss why it might not matter that Cisco is late to SDN.

Cisco late to SDN game? It might not matter

Keith Townsend at Virtualized Geek has been following the virtualization/software-defined networking game for a long time. Now, the last remaining big player, Cisco, has revealed its application-centric infrastructure (ACI) strategy that aims to make applications network-aware rather than the other way around. SDN has its benefits, Townsend writes, and there is no question VMware and NSX has a head start. But it could be a mistake to rule Cisco out. The vendor has a huge market share, and the relationships it has forged with its stable of customers presents the vendor with a formidable cushion it can rely upon as it attempts to prove that ACI is the way to go.

Get a sense of Townsend's thoughts about Cisco's built-in advantage.

How does VDI fit within your enterprise? 

Virtual Desktop Infrastructure (VDI) is on the rise, but planning how to best deploy the delivery model takes time and attention. Enterprise Strategy Group Senior Analyst Mark Bowker writes that more than 50% of companies responding to an ESG survey reported they either have VDI in place or plan to roll out a VDI imitative in the next 12 months. For those considering VDI, Bowker offers three pieces of advice. First, understand the relationships you now have tied to the endpoint. Second, separate applications from the desktop, where possible. Third, consider the use of a control plane or broker.

Read what Bowker has to say about the future of VDI.

Network management 101: Sometimes it's just a dirty connector 

Tony Fortunato says that with all of the talk about virtual networks and virtual components, sometimes the root causes of network performance problems are much more tangible. In other words, if a switch isn’t performing as it should, it might not be due to a glitch in the OS. No, in many cases, it might just be a dirty connector, or a switch that's overheating because of insufficient air flow. "I have met so many network analysts that are very good at configuring equipment and interpreting statistics," he writes on the blog, Love My Tool. "But I find many of these same people unaware of the physical element of network management." In his post, Fortunato illustrates some of the maintenance issues he's found, and he advises against the old technique of breathing/fogging Fibre connectors with your mouth.

Get the dirt on other maintenance issues Fortunato has unearthed while prowling data centers.

Application performance management market heating up in 2014 

Managing application performance is challenging, but organizations realize they must increase the capabilities they have to understand end-user experiences. TRAC Research's Bojan Simic details the state of the application performance management market, the forces driving its adoption and the issues organizations face when attempting to identify application behavior. Three factors are in play here, Simic says: First, enterprises are encountering business-critical pain points. Second, the budgets available for addressing these issues are under strain, and third, the size of the addressable market. That said, many organizations still find it difficult to spend the money for APM, because they believe they already have sufficient means to measure IT performance. The reality, though, is much different.

Find out what TRAC has to say about the issues shaping the APM market.




This was last published in November 2013

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