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Craig Weinhold


Craig Weinhold is a technical architect for CDW. In his role, Craig ensures our field engineers have everything they need to deploy customers' data center and enterprise networking solutions. His responsibilities include helping set standards for logical design, choice of equipment, software versions, configuration best practices, multivendor integration and so on. Craig has 20 years of field engineering and consulting experience. He lives in Madison, Wis., with his wife and two kids.

Technical Architect


Choosing Your Next Data Center Fabric: Cisco’s ACI or EVPN, Part 3

Key differentiators between Cisco’s fabric options, Application Centric Infrastructure and Ethernet VPN.

By Craig Weinhold
|
March 2, 2021
Data Center, Digital Workspace, Networking, Security

Cisco customers have a choice between Application Centric Infrastructure (ACI) and Ethernet VPN (EVPN) for building their data center network fabrics. Since these technologies are thought to be interchangeable, the choice often falls to cultural, political or other “Layer 8” decision-making. But the fabric technologies are, in fact, different in ways both subtle and significant,…

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Choosing Your Next Data Center Fabric: Cisco’s ACI or EVPN, Part 2

A technical comparison between Cisco’s fabric options: Application Centric Infrastructure and Ethernet VPN.

By Craig Weinhold
|
February 26, 2021
Data Center, Software

Cisco customers have a choice between Application Centric Infrastructure (ACI) and Ethernet VPN (EVPN) for building their data center network fabrics. Since these technologies are thought to be interchangeable, the choice often falls to cultural, political, or other “Layer 8” decision-making. But the fabric technologies are, in fact, different in ways both subtle and significant,…

Read More   

Choosing Your Next Data Center Fabric: Cisco’s ACI or EVPN, Part 1

A high level comparison between Cisco’s fabric options: Application Centric Infrastructure and Ethernet VPN.

By Craig Weinhold
|
February 23, 2021
Data Center, Networking

Cisco customers have a choice between Application Centric Infrastructure (ACI) and Ethernet VPN (EVPN) for building their data center network fabrics. Since these technologies are thought to be interchangeable, the choice often falls to cultural, political or other “Layer 8” decision-making. But the fabric technologies are, in fact, different in ways both subtle and significant, and…

Read More   

5 Considerations in the 25G vs. 40G Ethernet Debate

40G Ethernet isn’t dead, but 25G is the natural successor for 10G access.

By Craig Weinhold
|
June 9, 2017
Networking

I’ve recently come across a number of comments from industry experts declaring that 40G Ethernet is dead — that it’s a given for organizations to jump on the 25/50/100G path. Those conclusions are simplistic and misleading. To really get at the heart of this question, organizations need to look at five critical factors. 1. Switch-to-Server or…

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Tightening Up Security with Microsegmentation

By placing an extra layer of security between servers, microsegmentation helps ensure a single compromised device doesn’t infect the rest of the data center.

By Craig Weinhold
|
February 22, 2017
Data Center, Security

As organizations scale up, the demand for security solutions that can amplify and distribute security defenses, like microsegmentation, is also growing. Today, whether your organization is big or small, security is a major priority. Many attack campaigns are broad in scope, not differentiating in whose data or resources are targeted. And a typical perimeter defense…

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Shake-Up in the WAN

By Craig Weinhold
|
January 7, 2014
Data Center, Networking

Most enterprise WANs are built using MPLS VPN service, sometimes using two connections from different providers for diversity and often with Internet VPN for backup. MPLS VPN is easy to order and manage, very reliable and most performance issues can be fixed simply by throwing more money to the provider for circuit upgrades. The chief…

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