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One might think of this in terms of the modern internet, which had its roots in the ARPANET effort ...
Gliffy
... taking into account additional components addressing "Big Data" challenges within the internet, a sort of DATANET:
Gliffy
The above is illustrative and not a comprehensive list of services. There are a variety of components being actively explored and developed, some building on top of others, some not, some interacting with others, some not. In essence, just like with every Internet component there are a variety of options for each Datanet component. Unlike the internet components, however, these selections matter - they effect the user and limit what other components might be utilized/deployed.
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