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Datacenter resource fragmentation

October 1st, 2014 | mike.bushong | No Comments

The concept of resource fragmentation is common in the IT world. In the simplest of contexts, resource fragmentation occurs when blocks of capacity (compute, storage, whatever) are allocated, freed, and ultimately re-allocated to create noncontiguous blocks. While the most familiar setting for fragmentation is memory allocation, the phenomenon plays itself out within the datacenter as […]

High availability in horizontally-scaled applications

September 29th, 2014 | mike.bushong | No Comments

The networking industry has a somewhat unique relationship with high availability. For compute, storage, and applications, failures are somewhat tolerable because they tend to be more isolated (a single server going down rarely impacts the rest of the servers). However, the network’s central role in connecting resources makes it harder to contain failures. Because of […]

Plexxi Pulse—Preparing for Big Data

September 26th, 2014 | Mat Mathews | No Comments

As enterprises launch Big Data platforms, it is necessary to tailor network infrastructure to support increased activity. Big Data networks must be constructed to handle distributed resources that are simultaneously working on a single task—a functionality that can be taxing on existing infrastructure. Our own Mike Bushong contributed an article to TechRadar Pro this week […]

Policy versus ACLs, it’s those exposed implementation details again

September 25th, 2014 | Marten Terpstra | No Comments

In a blog week dedicated to the application and the policies that govern them, I wanted to add some detail on a discussion I have with customers quite often. It should be clear that we at Plexxi believe in application policy driven network behaviors. Our Affinities allow you to specify desired behavior between network endpoints, […]

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