Apstra Blog

Topic: Network Failures

Apstra Addresses Microsoft Azure Network Gray Failures

Sasha Ratkovic | Posted Jan 24, 2018

Microsoft published a paper describing challenges in dealing with gray failures, which are defined as subtle underlying faults that frequently cause major availability breakdowns and performance anomalies. And they point out that “as cloud systems increase in scale and...

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Mitigating Network Outages Caused by Human Error

Derick Winkworth | Posted Nov 30, 2017

A recurring theme we hear from our customers is how they want to reduce the kind of errors that come with manually configuring their networks using the device CLI.  From one device to the next, every command entered represents a potential outage.  Indeed, upwards of 80% of...

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Claw Back the Cost of Network Failure

Dave Butler | Posted Feb 03, 2017

The network is the underlying foundation of the data center. If that foundation becomes unstable, everything else, apps and all, are affected. The bummer is that most large data center networks are, in fact, unstable.Complex networks experience rapid entropy and require...

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Telemetry Lessons from Waze — The Self-Operating Network™

Mansour Karam | Posted Jan 17, 2017

The other day I was taking an Uber home from a dinner in San Francisco and as I got into the car the driver pulled up the Uber Partner Application on one phone to start my ride and then on the other phone he had mounted to the dashboard he added my destination in Waze. This...

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Why Intent-Based Network Monitoring Is Critical

Dave Butler | Posted Nov 17, 2016

Sometimes network failures can be detected in a straightforward manner. We monitor physical switches, routers, optical IDC equipment, their components and transmission media. We see CPU load, memory/buffer overflows, CRC errors, errors on the wire, etc. This direct monitoring...

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Lessons from the Blue Angels: Continuous Testing and Improvement

Mansour Karam | Posted Oct 07, 2016

As I was flying back from Japan recently coming in on final approach into San Francisco you could see the Blue Angels leaving trails of smoke and practicing for their upcoming air show as part of Fleet Week 2016, an annual San Francisco tradition. It is rather wonderful that...

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