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Cloud Portability: What Happens When You Want to Leave?

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Cloud Portability: What Happens When You Want to Leave?

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Much of the work I do revolves around talking to organizations about how they’ll start their journey to the cloud – discussions around barriers to adoption, dealing with cultural issues and security concerns all typically the main topics of interest. Recently, however, I was pointed in the direction of a forum discussion that raised an issue that, while not affecting cloud alone, is a valid issue to talk about.

In the post, the IT practitioner said that:

I’ve been involved on the periphery of several RFP responses, Statements of Work etc. that relate in one way or another to government agencies and large corporations outsourcing their infrastructure hosting to a provider. I’m not talking here about equipment co-location, but rather scenarios where the hosting provider owns the tin and truly delivers the Data Centre Infrastructure as a Service, including the storage. No doubt this is a growing trend both here in NZ and globally.

Nowhere during my involvement, which as I said has not been in-depth, have I come across descriptions, or requirements for that matter, on the “exit approach”

So I’ve been sitting here pondering, when the relationship between the customer and provider comes to an end after say, three, five or 10 years, and the customer has 100, 200, 600 TeraBytes of data sitting on the equipment (a SAN one would expect) owned by the incumbent provider; how on earth would they go about migrating this to the new infrastructure or archiving it off for later access?

Keen to hear people’s thoughts on this.

 

It really is a valid point. We all spend a lot of time worrying about getting our organization to start using a cloud service, but what happens when we amass vast quantities of data on that service and want to shift? Network limitations are such that this can cause real issues. It’s interesting to note that many cloud vendors allow customers to send data on tape or drive to the vendor as the fastest practicable way to migrate data across – if this approach needs to be taken at the start of a cloud relationship, imagine how much more important it is after a period of usage.

I’d be keen to understand whether organizations are thinking about this issue and, if so, what they’ve done to resolve any potential issues. Feel free to comment below.

 

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Published at DZone with permission of Ben Kepes, DZone MVB. See the original article here.

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