Posts about 10G

A few years ago, gigabit broadband service was still considered science-fiction: only a few places had it, like Japan, Korea or Sweden, and to most of the world it seemed so insanely better than whatever broadband speeds they had available that no one dared to dream that it would become mainstream one day ...
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The need to change the data center network from a hierarchal one to a leaf-spine or more meshed one has arisen from the ever-increasing need for compute and storage access and the use of server virtualization. Now that many applications can run on one server, if that server gets overloaded, virtual machines (applications) need to move to another server quickly—four hops through the network is not quick, so network architecture is changing to accommodate the mobility of VMs. So now what used to be just a client-server standard three-tier network is starting to look like a HPC cluster.
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