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On Network Virtualization and SDN

Scott Lowe

Is there a difference between network virtualization and Software-Defined Networking (SDN)? So, in a similar fashion to my post on network overlays vs. network virtualization , I thought I’d weigh in with some thoughts. With this definition in hand, let’s compare network virtualization to SDN.

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Solarflare’s Open Compute Platform, Software-Defined, NIC Card

CTOvision

The SFN8722 OCP offers 10GbE performance, which is critical for today’s data centers where ultra scale dominates the market, supports 1000s virtual NICs and dual 10 GbE ports, and provides up to 30 million of packets per second and ultra-low latency under one microsecond. These include leading edge cloud service providers, Web 2.0

Software 194
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Technology Short Take 143

Scott Lowe

Here’s a quick look at using Envoy as a load balancer in Kubernetes. Cloud Computing/Cloud Management. Via Alex Mitelman’s Systems Design Weekly 015 , I was pointed to this AWS article on multi-site active-active architectures. Virtualization. Networking. Operating Systems/Applications.

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Solarflare’s Open Compute Platform, Software-Defined, NIC Card

CTOvision

Delivers 1000s Virtual NICs for Ultimate Scalability with the Lowest Possible Latency. These include leading edge cloud service providers, Web 2.0 making it an ideal workhorse for 10GbE data center and cloud workloads, providing high bandwidth, high-packet rate and CPU efficient processing of network traffic. Marty Meehan.

Software 151
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Why Kubernetes Is So Popular in the Tech World

Galido

First of all, public cloud container adoption is slowly shifting to Kubernetes. Secondly, there is also a shift towards hybrid- and multi-cloud strategies, enabled by cloud-native technologies such as containers and Kubernetes. Few months after that, Kubernetes was donated to the Cloud Native Computing Foundation (CNCF).

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Vendor-Side DevOps Practices Can Still Deliver Better Value While Client-Side Government Processes Catch Up

CTOvision

A common scenario in the private sector — delivering a beta version in the cloud and letting the customer validate it and provide feedback — is more challenging on government projects where testing and validation is done onsite. Cloud architectures hold great promise in the ability to promote applications to new heights in ubiquity and scale.

Devops 150
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Technology Short Take 144

Scott Lowe

I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq. This is an interesting deep dive into Intel’s “Ice Lake” Xeon SP architecture.

Linux 90