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Aldrin Isaac
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Better than best effort — Rise of the IXP
In my last post I talked about how the incentive models on the Internet do not lend themselves to ISPs managing peering and backbone capacity in a way that supports reliable communication in the presence of the ever growing volume of rich media content.  If...

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Better than best effort — reliability and the Internet.
Metcalfe’s law states that the value of a telecommunications network is proportional to the square of the number of connected users of the system. Networks prior to the Internet were largely closed systems, and the cost of communicating was extraordinarily ...

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EVPN. The Essential Parts.
Back in October of 2013 I said I would produce a blog entry or so to describe the essential parts of EVPN that make it a powerful foundation for data center network virtualization.  Well just when you thought I'd fallen off the map, I'm back.  :) After seve...

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Evolving the data center network core
As complex functions that were historically shoehorned into the network core move out to the edge where they belong, data center core network operators can now focus on improving the experience for the different types of applications that share the network....

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The real Slim Shady
In the not so distant past, when an application team needed compute and storage resources they would kick off a workflow that involved several teams to design, procure and deploy infrastructure (compute, storage & network) necessary for that request.  The w...

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The Other Revolution
In the not so distant past, when an application team needed compute and storage resources they would kick off a workflow that involved several teams to design, procure and deploy infrastructure (compute, storage & network) necessary for that request.  The w...

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The Other Revolution
In the not so distant past, when an application team needed compute and storage resources they would kick off a workflow that involved several teams to design, procure and deploy infrastructure (compute, storage & network) necessary for that request.  The w...

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The Bumpy Road to E-VPN
In 2004 we were in the planning phase of building a new data center to replace one we had outgrown.   We faced the challenge of building a network that catered to the wildly varying needs of a multitude of data center applications while at the same time ove...

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Imagine air-as-a-service.

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Imagine air-as-a-service.
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