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VMware “vFabric” And the Potential Impact on Data Centre Network Design – The...

If the VMware vFabric speculation is true, then the service focussed data centre designs just got very, very, interesting. Posts Related to this ArticleResponding: On Optimizing Traffic for Network...

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Show 27 – Layer 2 Data Centre Interconnection

It was planned to have a discussion around L2 Data Centre connection the VMworld in Copenhagen but Scott and I could not meetup. So we recorded this podcast to start talking about some of the issues,...

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Show 28 – vCloud Network Overlays, OTV, VEPA and Networking Appliances

It was planned to have a discussion around L2 Data Centre connection the VMworld in Copenhagen but Scott and I could not meetup. So we recorded this podcast to start talking about some of the issues,...

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◎ Tech Notes: Arista AgilePorts – Building 40Gigabit DCI with 10GbE ports

Stumbled over “AgilePorts” feature in Arista products this week: Arista’s AgilePorts technology enables the combination of four 10GbE SFP+ interfaces into a single 40GbE interface leveraging the...

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Less Sales, Simpler Products, Easier Buying

Out of sheer frustration this week, I tweeted this and got a big response: The Back Story I’ve wasted about 60 hours of customers time working with resellers & vendors to get a quote for a...

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Tech Notes: Difference Between OS1 and OS2 Fibre Optic Cable

These are two standards for single mode fibre optic cabling from a total of  five types of fibre that are generically used today known of “OF types” (OM1, OM2, OM3 for multimode and OS1,OS2 for single...

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Response: Docker Networking | Chris Swan’s Weblog

I’ve spent some hours taking a look at Docker containers and how they connect to the network. The short summary is “messy” and better description is “train wreck”. Chris Swan has a 30 minute...

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Internets of Interest – 12 December 2014

Collection of useful, relevant or just fun places on the Internets for 12 December 2014 and a bit commentary about what I've found interesting about them: The post Internets of Interest – 12 December...

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The End of Fixed Voice

IP Telephony is an end stage market. Here is why. The post The End of Fixed Voice appeared first on EtherealMind.

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Enterprises Have Many Unprofitable Applications, Public Clouds Do Not

Enterprise IT supports many unprofitable applications. Microsoft Exchange, legacy databases, obsolete accounting systems, end-of-life desktop operating systems and much more. Public clouds can, and do,...

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Are SDN Controllers a Security Risk ?

No. When compared to the operation of existing networks, SDN is much more secure. The post Are SDN Controllers a Security Risk ? appeared first on EtherealMind.

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Unreliable Multicast means Unreliable VMware VSAN

Howard Marks from Deep Storage and long-term curmudgeon sent Ethan & I the following email: As I continue to tilt at the VMware windmill I’m facing fanbois telling me that all you have to do is...

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How Many Hosts In An VLAN or IP Subnet and Why ?

It is common to allocate /24 or /22 subnets to a single VLAN but William writes to ask why and whether is related to broadcasts. What is the best subnet size for VLAN allocation and why ? The answer...

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Vendor Marketing as a Security Risk – Badge Scans and Sign-up Attack Vectors

Many old-style marketing people believe that capturing your contact information is the first step in making a sale. But any capture of your personal information is also leaking critical security...

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Why Replacing The Fibre Optic Patch Lead Often Fixes Network Problems

When installing Fibre Optic cable care must be taken to ensure that cable is not bent beyond a certain radius. Most people believe this is to prevent breaking of the fibre core but there is a worse...

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My Review of 2014. Who Cares ?

I started to think about what happened in 2014 and decide which events changed networking. The post My Review of 2014. Who Cares ? appeared first on EtherealMind.

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Could Arista EOS Run On Whitebox Hardware ?

I was recently asked if Arista EOS could run on Whitebox network hardware. From a blog post on the Arista website on July 1, 2013 : In fact, a little known secret is that Arista EOS was intended to run...

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Announcing: Pieces of Human Infrastructure Magazine

TL-DR: This week I'm started a magazine style newsletter called "Pieces of Human Infrastructure". You can sign up at http://etherealmind.com/pieces-human-infrastructure-newsletter/ The post Announcing:...

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Poster: How To Make a Single Pane of Glass

A Poster for your desk on building a "single pane of glass" network management system. The post Poster: How To Make a Single Pane of Glass appeared first on EtherealMind.

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2015 is all about SDN WAN

The technology that gives me a “nerd hard-on” this month is SDN WAN. Here is why. The post 2015 is all about SDN WAN appeared first on EtherealMind.

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