Brad Hedlund

Brad Hedlund (CCIE Emeritus #5530) is an Engineering Architect in the CTO office of VMware’s Networking and Security Business Unit (NSBU). Brad’s background in data center networking begins in the mid-1990s with a variety of experience in roles such as IT customer, value added reseller, and vendor, including Cisco and Dell. Brad also writes at the VMware corporate networking virtualization blog at blogs.vmware.com/networkvirtualization

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Brad Hedlund's Latest Posts

Three reasons why Networking is a pain in the IaaS, and how to fix it

Three reasons why Networking is a pain in the IaaS, and how to fix it

In this post I share the slides, audio recording, and short outline of a presentation I gave at the Melbourne VMUG conference (Feb 2014) called “Three reasons why Networking is a pain in the IaaS, and how to fix it”. As network technologists we know that when the compute architecture changes, the network architecture changes […]

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Networking is a Service, and you are the Service Provider

Filed in Career, Network Virtualization, NSX by on March 5, 2014 7 Comments
Networking is a Service, and you are the Service Provider

The status quo approach to Networking is the biggest barrier to realizing the full potential of Virtualization and the private, public, or hybrid cloud.  We must re-think how Networking *Services* are delivered, in a way that comports with automation, decoupling, pooling, and abstractions.  I would argue, the solution is a more software-centric approach — Network […]

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New design guide: VMware NSX with Cisco UCS and Nexus 7000

New design guide: VMware NSX with Cisco UCS and Nexus 7000

Back in September 2013 I wrote a piece on why you would deploy VMware NSX with your Cisco UCS and Nexus gear.  The gist being that NSX adds business agility, a rich set of virtual network services, and orders of magnitude better performance and scale to these existing platforms.  The response to this piece was phenomenal […]

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Distributed virtual and physical routing in VMware NSX for vSphere

Filed in Network Virtualization, NSX, Routing, VMware, VXLAN by on November 20, 2013 16 Comments
Distributed virtual and physical routing in VMware NSX for vSphere

This post is intended to be a primer on the distributed routing in VMware NSX for vSphere, using a basic scenario of L3 forwarding between both virtual and physical subnets. I’m not going to bore you with all of the laborious details, just the stuff that matters for the purpose of this discussion. In VMware NSX for vSphere there are two different types of NSX routers you can deploy in […]

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VMware NSX, Convergence, and Reforming Operational Visibility for the SDDC

Filed in Network Virtualization, NSX, VMware Blog by on November 4, 2013 0 Comments
VMware NSX, Convergence, and Reforming Operational Visibility for the SDDC

Note: This article was originally written for and published at the VMware Network Virtualization Blog. The following is a verbatim re-post of the original content. Through convergence, VMware NSX will substantially reform operational visibility for the era of the software-defined data center Executive Summary Since the launch at VMworld 2013, much of the discussion about […]

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Real world SDN: VMware NSX on Packet Pushers

Filed in media & analyst, Network Virtualization, NSX, VMware by on October 21, 2013 1 Comment
Real world SDN: VMware NSX on Packet Pushers

If you like to listen to geeky networking podcasts on your way to the office, this is surely one not to miss. Scott Lowe and I appeared as guests on the Packet Pushers podcast, sponsored by VMware, and hosted by Ethan Banks and Greg Ferro to discuss the technical details of VMware NSX, and the […]

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Seven reasons VMware NSX, Cisco UCS and Nexus are orders of magnitude more awesome together

Seven reasons VMware NSX, Cisco UCS and Nexus are orders of magnitude more awesome together

Note: This article was originally written for and published at the VMware Network Virtualization Blog. The following is a verbatim re-post of the original content. “VMware NSX, Cisco UCS and Cisco Nexus, TOGETHER solve many of the most pressing issues at the intersection of networking and virtualization.” Executive Summary VMware NSX brings industry-leading network virtualization capabilities to […]

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Video interview: Network Virtualization and VMware NSX

Filed in Network Virtualization, NSX, Video, VMware by on August 28, 2013 1 Comment
Video interview: Network Virtualization and VMware NSX

Video interview at VMworld 2013 on network virtualization, VMware NSX, and why it’s awesome: Summary New virtual network abstraction  Complete with switching, routing, security, load balancing, and more  Non disruptive, works on existing hardware  Deploy virtual networks like you deploy virtual machines  Realize the full potential of virtualization Cheers, Brad

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Virtualization Security Podcast: VMware NSX

Filed in Network Virtualization, NSX, Security, VMware, VXLAN by on August 23, 2013 3 Comments
Virtualization Security Podcast: VMware NSX

Podcast appearance on 8/22/13 Topics (in no particular order) VMware NSX Multi hypervisor network virtualization NSX Distributed Firewall NSX Service Composer SDN Top of Rack switches with VXLAN Open vSwitch and OpenFlow Click to listen (mp3): Virtualization Security Round Table Podcast #114: VMware NSX Thank you Edward Haletky for the invite and hosting a great podcast! […]

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What is a Distributed Firewall?

Filed in Network Virtualization, Security by on July 7, 2013 23 Comments
What is a Distributed Firewall?

In the post “What is Network Virtualization?” I described a model where the application’s complete L2-L7 virtual network is decoupled from hardware and moved into a software abstraction layer for the express purpose of automation and business agility. In this post I’ll focus on network security, and describe an imminent firewall form factor enabled by […]

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