Author Posts - NetCraftsmen, a BlueAlly Company

Replicating at Speed

Learn more about capacity planning with QoS and sizing for network traffic replication at speed on two different real-world WAN network designs.

Practice Safe BGP

This blog is a “fun BGP story” — let’s call it a Case Study #1, a recent design situation involving local-as (Case Study #2), plus some lessons learned. One theme [...]

The Cloud Is (Not) Magic

Cloud technologies are changing the world. Sometimes faster than businesses can keep up, both as consumers of managed or SaaS application, but also on the vendor side. This blog is [...]

Amazon Transit VPCs and Transit Gateway

This blog is about AWS, specifically multiple VPCs and routing, and some recent developments. My intent is to give you the flavor of some AWS design approaches, and then point [...]

Dealing with Performance Brownouts

Lessons learned and a case study on application slowness (brownout) troubleshooting for network management.

Just Say No to Jumbo Frames

How do you feel about jumbo MTU? I seem to periodically get into debates about jumbos. I’m highly allergic to jumbos. Let’s examine the facts (as I see them), and [...]

Ways to Automate VXLAN

More and more sites are deploying Cisco Nexus 9K-based fabrics. Basically, if the time has come for datacenter switch refresh, you have two choices: Nexus 7700 etc. with a “classic [...]

The Changing Cisco QoS Environment

Are you using Cisco gear for your QoS implementation? Learn about how to simplify your QoS to minimize complexity in your network.

Service Chaining via Cisco Catena

Learn about Cisco Nexus and the Catena feature, building service chains for services from devices that connect to a single data center switch.

Kentik Adds Value, Gets Cloudy

During NFD19, Kentik presented about their cloud-based big data approach to analyze flow data, both from internal sources and cloud sources.

Apstra’s Intent-Based Networking

This is one of several blogs about the vendor presentations during Network Field Day 19, which took place November 7-9, 2018. This blog contains a summary of the vendor presentations [...]

Silver Peak is Serious about SD-WAN

This is one of several blogs about the vendor presentations during Network Field Day 19, which took place November 7-9, 2018. This blog contains a summary of the vendor presentations [...]