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Showing posts from January, 2017

Up and Rawring with TRex: Cisco's Open Traffic Generator

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Network performance testing is hard. Historically it's required expensive [cost-prohibitive for < $BN enterprises] equipment starting at tens of thousands of dollars for what amounts to an overly complex traffic simulation appliance, then practically requiring a professional level certification just to operate it. Sound familiar at all?

Personally I must admit that I've largely scoffed at the entire concept of simulated traffic testing, noble as it may be. I conceded that, as an engineer of a relatively budget-conscious organization, the only way to properly test something on the network was to simply put it into production, and then watch it from a safe distance whilst wearing a white lab coat and holding a pen and clipboard. Either it would perform admirably, or promptly catch fire and explode, indicating a yank-and-forget...or a step upgrade. Easy enough. That being said, it's just not everyday that a big name vendor offers a super useful tool completely free of cha…

AWS CloudFormation for NFV

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Are you thinking of deploying virtual network appliances in Amazon EC2? If so, eventually you'll realize that launching instances in AWS from the wizard can become a bit cumbersome. Thinking long term you'll likely need a more automated, repeatable approach. Enter: CloudFormation.

This entry will serve mostly as an introduction to 'infrastructure as code', especially for us dense, behind the times network types but perhaps not for those already well-versed in this arena.