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Are Interoperable Cloud Platforms Achievable?
There isn't yet a straightforward way for customers to extricate themselves from some platforms and switch to another vendor
By: Dare Obasanjo
Dec. 7, 2008 12:40 AM
Although cloud computing vendors are not explicitly trying to lock-in customers to their platform, the fact is that today if a customer has heavily invested in either platform then there isn't a straightforward way for customers to extricate themselves from the platform and switch to another vendor. In addition there is not a competitive marketplace of vendors providing standard/interoperable platforms as there are with email hosting or Web hosting providers.
Tim Bray has a thought provoking post on embracing cloud computing entitled Get In the Cloud where he brings up the problem of vendor lock-in. He writes:
Tim's post is about cloud platforms but I think it is useful to talk about avoiding lock-in when taking a bet on cloud based applications as well as when embracing cloud based platforms. This is especially true when you consider that moving from one application to another is a similar yet smaller scoped problem compared to moving from one Web development platform to another.
So let's say your organization wants to move from a cloud based office suite like Google Apps for Business to Zoho. The first question you have to ask yourself is whether it is possible to extract all of your organization's data from one service and import it without data loss into another. For business documents this should be straightforward thanks to standards like ODF and OOXML. However there are points to consider such as whether there is an automated way to perform such bulk imports and exports or whether individuals have to manually export and/or import their online documents to these standard formats.
Despite all of these concerns, switching hosted application providers is mostly a tractable problem. Standard data formats make data migration feasible although it might be unwieldy to extract the data from the service. In addition, Internet technologies like SMTP and HTTP all have built in ways to handle forwarding/redirecting references so that they aren't broken. However although the technology makes it possible, the majority of hosted application providers fall far short of making it easy to fully migrate to or away from their service without significant effort.
When it comes to cloud computing platforms, you have all of the same problems described above and a few extra ones. The key wrinkle with cloud computing platforms is that there is no standardization of the APIs and platform technologies that underlie these services. The APIs provided by Amazon's cloud computing platform (EC2/S3/EBS/etc) are radically different from those provided by Google App Engine (Datastore API/Python runtime/Images API/etc). For zero lock-in to occur in this space, there need to be multiple providers of the same underlying APIs. Otherwise, migrating between cloud computing platforms will be more like switching your application from Ruby on Rails and MySQL to Django and PostgreSQL (i.e. a complete rewrite).
In response to Tim Bray's post, Dewitt Clinton of Google left a comment which is excerpted below
Although Dewitt is correct that Google and Amazon are not explicitly trying to lock-in customers to their platform, the fact is that today if a customer has heavily invested in either platform then there isn't a straightforward way for customers to extricate themselves from the platform and switch to another vendor. In addition there is not a competitive marketplace of vendors providing standard/interoperable platforms as there are with email hosting or Web hosting providers.
As long as these conditions remain the same, it may be that lock-in is too strong a word describe the situation but it is clear that the options facing adopters of cloud computing platforms aren't great when it comes to vendor choice.
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