Studies in Data Center Networking, Virtualization, Computing
Feb 10 2010
Server virtualization has gained tremendous popularity and acceptance to a point now that customers are staring to host virtual machines from differing security zones on the same physical Host machine. Physical servers that were self contained in their own DMZ network environment are now being migrated to a virtual machine resting on a single physical [...]
Feb 09 2010
I had an interesting discussion with a customer the other day where both Cisco (myself included) and HP account teams where on the same call to discuss Flex-10, Nexus 1000V, or other approaches that may work better. — Yeah, awkward.
Anyway, for most of the time we (the Cisco team) focused on Flex-10’s total lack of [...]
Feb 09 2010
I sometimes hear or read complaints about the Nexus 5000 + Nexus 2000 fabric extender architecture that I want to take a minute to address. This should be short and sweet, a blogging concept that is foreign to me if you follow my work.
The typical complaints about this architecture from network engineers are [...]
Aug 11 2009
This is a follow-up and enhancement of a previous design diagram in which I showed Cisco UCS running the standard VMware vSwitch. In this post I am once again showing Cisco UCS utilizing the Cisco (Palo) virtualized adapter with an implementation of VMware vSphere 4.0, however in this design we are running ESXi and the [...]
Aug 14 2008
Want lightning fast VMotion? Just install a CNA (Converged Network Adapter) from Emulex or QLogic and connect it to a Cisco Nexus 5000.
Mario Apicella of InfoWorld did just that and writes:
“I had intended to post a movie clip of the test VM moving to the new ESX server using VMotion, but the action [...]
Jul 21 2008
Brocade announces intent to buy Foundy — Why would Brocade do this?
The writing was on the wall … Either become a Ethernet company or get crushed by Cisco.
Apr 08 2008
What is the new Cisco Nexus 5000? — The industry first switch to deliver unified server I/O, providing Fiber Channel and IP traffic over a single 10G Ethernet port to the server. Nexus 5000 delivers very low latency wire speed lossless Ethernet service to the server.
Mar 30 2008
If you are not familiar with the innovation in Cisco Nexus 7000 it’s easy to just dismiss it as “Cisco’s answer to Force10″. The reality is, the Nexus 7000 is much more than just a “me too” 10-gig switch to compete with likes of Force10, Foundry, Extreme, and others — Nexus is a [...]
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