Basics: The Difference Between Bandwidth and Speed

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A link in a network is determined by two factors, bandwidth and speed. These are usually the same but not always. Definition: Speed is bit rate of the circuit while bandwidth is the amount of “speed” available for use. As an example, a 500 Megabit Ethernet MPLS service which uses a 1 Gigabit Ethernet connection to […]

Basics – Docker, Containers, Hypervisors, CoreOS

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Containers virtualize at the operating system level, Hypervisors virtualize at the hardware level. Hypervisors abstract the operating system from hardware, containers abstract the application from the operation system. Hypervisors consumes storage space for each instance. Containers use a single storage space plus smaller deltas for each layer and thus are much more efficient. Containers can boot and be […]

Response: Courier Prime | Quote-Unquote Apps

If you like using Courier font in your terminal window then you should downloading and using this font: But there’s no reason Courier has to look terrible. We set out to make the best damn Courier ever. We call it Courier Prime. via Courier Prime – A Courier made for screenplays. | Quote-Unquote Apps. And […]

Quick Look at networking Features in vSphere 5.1

TL:DR look like the first version of vSphere that has least amount of compromises for large corporates. In other words, it’s more usable than before. Importantly, VMware has delivered a lot of networking features in this release and it would be fair to say that they either “overdue” or “much anticipated”. Take your choice.

Basics: Three Types of Cisco UCS Network Adapters

In the Cisco UCS servers, there are three classes or categories of Network Adapters for B-series and C-Server servers. I write this down because it’s pretty hard to find this summary anywhere is Cisco’s documentation and I keep having to tell people the difference. Now I can point them at this blog post.