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Why Labeled BGP on White Box Will Disrupt How We Buy Routers
For those of us that are old enough to have or remember a record collection, there is familiarity (and probably a little nostalgia) for the term “flip side.” In this context, flip side refers to the B-side of a standard vinyl record, and refers to secondary recordings or bonus tracks that weren’t as heavily marketed as their A-side counterparts.

Why am I writing about an antiquated music medium? And what does this have to do with networking? I bring this up because it’s an interesting parallel with what’s happening with network overlays – and specifically, how these are viewed from the “flip side,” or in other words, the different points of view from the consumer and the provider.
First off, some background. In the simplest terms, an overlay is a logical network that enables you to create paths and connections on top of (and in many cases, regardless of) the physical connections between the end points. More importantly, overlays are a critical construct because they enable network operators to create more virtual subnets – which in turn support multi-tenancy, VM mobility, and service differentiation.
These are all Continue reading