Mike D’s Blog

Today (April 22) VMware announced 1st quarter earnings. The company did quite well and surpassed analyst expectations. Overall the company did $438 million in revenue for the quarter. What really gets me excited about this is the opportunity for the 14,000 partners out there selling VMware solutions. Every day I go to customers with partners or go to partner sites to do training. Whenever I’m with a partner they always want to know what’s in it for them. Why should they be selling VMware when they’re also Citrix and Microsoft partners and both of those companies have virtualization solutions. Here’s my take….

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Tags: Citrix, VMware

In Part I of this series we looked at why TCP disconnects happen during a Microsoft Quick Migration and why they stay alive using live migration or VMware VMotion. In Part II we’ll look at he financial impact this has on two different customers I recently met with in the Northeast US. Hopefully this will show why Quick Migration really isn’t good enough for really any application you have in the environment. Hopefully it will also show why live migration or VMware VMotion is a key building block to a truly dynamic datacenter.

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Tags: Microsoft, quick migration, vmotion, VMware

There has been a lot of talk recently about why Quick Migration with Microsoft’s Hyper-V drops connections when it simply uses Microsoft Clustering Services (MSCS) to do the migration and MSCS by itself does not drop network connections. In a nutshell it really has to do with where the network stack is running and what happens during a cluster failover versus a Quick Migration. This two part blog will first cover why Quick Migration drops connections and then what the impact is from actual customers in the field. As always, your constructive comments are appreciated.

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Tags: hyper-v, quick migration, vmotion, VMware