Apstra Blog

Dave Butler

Dave is a sales advisor to Apstra. He has served as a VP Sales and Business Development in multiple public companies including Aruba, Fireeye, Inktomi and Fore Systems.
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Recent Posts


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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Managing Multiple Network Technologies in the Data Center

Dave Butler | Posted Nov 28, 2016

Operating a data center network using switching products from multiple vendors is costly and often quite hard to do. Design, provisioning and operations of these products requires teams to be educated or certified in the technologies that each product requires. The cost of...

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Network Monitoring: Moving Beyond Box-by-Box and Packet-by-Packet

Dave Butler | Posted Nov 24, 2016

There is a big difference between monitoring a box versus monitoring a complex system.Boxes are relatively easy to instrument using simple telemetry; logs and streaming metrics. Telemetry is monitored and problems are detected, which engineers then fix.Applications and other...

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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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Networking for Cloud-Native Apps

Dave Butler | Posted Nov 10, 2016

Cloud-native apps are prevalent in both public and private cloud data centers.  Cloud-native refers to apps composed of micro-services based on Linux containers.  In comparison to VM-based N-tier apps, micro-services based on Linux containers are easier to write, easier to...

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