Scott Lowe

DECEMBER 6, 2013

A fan of network virtualization might also say that decomposing today’s complex physical networks into multiple simple logical networks on top of a simpler physical transport network—similar to Mike’s suggestion of converging on a smaller set of reference architectures—might also help. (Of Here’s a good source.

Vmware 60

Vmware Storage Linux Network 60

Scott Lowe

MARCH 17, 2016

At DevOps Networking Forum 2016, I had the opportunity to share a presentation on some Linux networking options. I recently came across a couple useful troubleshooting guides, one for Open vSwitch (OVS) and OpenStack Neutron and one for VMware NSX. Have fun reading! Networking. It’s a pretty interesting read, in my opinion.

Vmware 60

Vmware Linux Network Open Source 60

Scott Lowe

FEBRUARY 9, 2018

Amit Aneja has a two-part series (so far) explaining the routing architecture in NSX-T (which brings multi-hypervisor and multi-cloud support to the NSX platform). Sam McGeown has a nice diagram of the communications channels between the various VMware NSX components. Michael Wittig shares some details on migrating to Amazon Linux 2.

Vmware 60

Vmware Linux Network Storage 60

Scott Lowe

NOVEMBER 10, 2017

VMware recently released an updated to PowerCLI (version 6.5.3), and with it comes a set of cmdlets that provide low-level access to the NSX-T REST API. Lior Kamrat has a multi-part series on an architecture that blends Mesosphere DC/OS, Azure, Docker, and VMware vSphere. VMware recently released version 2.0 Networking.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

JUNE 2, 2016

Anthony Burke has written a script that uses VMware NSX to protect VMware Log Insight instances. Dmitri Kalintsev examines some options for addressing storage-related connectivity in NSX environments. Ajeet Singh Raina has a write-up on running Docker Datacenter on VMware vSphere. Welcome to Technology Short Take #67.

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

AUGUST 16, 2017

This is my irregularly-published collection of links and articles from around the Internet related to the major data center technologies: networking, hardware, security, cloud computing, applications/OSes, storage, and virtualization. Want to install VMware NSX in your home lab, but concerned about resource utilization? Networking.

Vmware 60

Vmware Storage Network Windows 60

Scott Lowe

OCTOBER 5, 2012

Some folks from Nicira (now part of VMware) recently published a blog post discussing the OVSDB IETF draft (see here ). Erik Smith, notably known for his outstanding posts on storage and FCoE, takes a stab at describing some of the differences between SDN and network virtualization in this post. storage enhancements. Networking.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

JANUARY 28, 2016

The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Linux Open Source Devops 60

Scott Lowe

AUGUST 27, 2021

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 along the way. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

MAY 27, 2022

Isovalent—the company behind the Cilium project—has been talking a lot about how the use of eBPF will transform things, including the architecture of a service mesh. For relevant storage news, I’d recommend having a look at J Metz’ Storage Short Take 42. Networking. Virtualization. Career/Soft Skills.

Virtualization 79

Virtualization Storage Programming Network 79

Scott Lowe

SEPTEMBER 3, 2013

VMware introduced VMware NSX recently at VMworld 2013. Prasenjit Sarkar, who works in VMware R&D, and runs the Stretch Cloud site , has a write-up on using Data Center Extension (DCE) to VMware vCloud Hybrid Service (vCHS). x that involves booting on a Linux CD. This looks interesting.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

Scott Lowe

DECEMBER 22, 2018

Kyle Ruddy helps folks get started with the Desired State Configuration Resources (DSCR) for VMware , a new way of using PowerShell DSC with VMware vSphere environments. Dave Taylor provides s ome tips for configuring VMware Fusion for Linux usage. Stephen Foskett explains how to add a mirror to an existing ZFS drive.

Vmware 60

Vmware Linux Hardware Case Study 60

Scott Lowe

MARCH 12, 2014

Welcome to part 11 of the Learning NSX blog series, in which I provide a high-level overview of the basics on integrating VMware NSX into an OpenStack deployment using OpenStack Neutron. VMware NSX was designed to be integrated into a cloud management platform. Reviewing OpenStack Neutron With NSX.

Vmware 69

Vmware Network Linux Virtualization 69

Cloud Musings

OCTOBER 16, 2016

Cloud Operations: This module helps you study the management of cloud operations and addresses the application need for compute power, managing CPU scaling, and meeting both structured and unstructured storage requirements.

Vmware 70

Vmware Training Web Services Cloud 70

Cloud Musings

JANUARY 30, 2017

This NCTA program was designed to provide IT professionals with a strong foundation in cloud technologies, and overall cloud architecture and management of cloud infrastructure, as well as a solid technical background in modern web services deployment and administration.

Web Services 70

Web Services Architecture Cloud Programming 70

Scott Lowe

MARCH 23, 2017

As opposed to just encrypting data at the transport level (although Acra does that between components of its architecture) or just encrypting data at the storage level (using an encrypted file system or similar), Acra targets encrypting data at the table/row/column level within a database. Acra is open source and available via GitHub.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

JANUARY 28, 2016

The rise of Linux in importance in the networking industry continues, with Arista announcing enhancements to Arista EOS to support—among other things—Docker containers. As a partial counterpoint to the increased use/visibility of Linux in the networking industry, check out Ivan’s take on Dell’s OS10 announcement. Networking.

Vmware 60

Vmware Open Source Linux Devops 60

Scott Lowe

DECEMBER 17, 2015

Looking for a step-by-step install guide for VMware NSX? Ray Budavari—who is an absolutely fantastic NSX resource—has a blog post up on the integration between VMware NSX and vRealize Automation. If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer. Networking.

Vmware 60

Vmware Linux Architecture Hardware 60

Scott Lowe

SEPTEMBER 11, 2012

In recent years, we’ve seen more devices running off-the-shelf software (like Linux). Is the Linux bridge efficient enough? Verplanke next reviews some of the I/O optimizations and architecture of the Xeon E5 2600 series platform. Third, DPDK provides optimized vNIC drivers for Xen, KVM, and VMware.

Virtualization 113

Virtualization Intel Cloud Data 113

Scott Lowe

MARCH 10, 2015

I highly recommend you read the entire post, but in short the five skills Matt recommends are software skills (which includes configuration management and software development tools like Git ), Linux, deep protocol knowledge, hypervisor and container networking, and IPv6. What does this mean? Servers/Hardware.

Vmware 60

Vmware Linux Hardware Software Development 60

Scott Lowe

MARCH 8, 2016

PowerNSX is pretty cool—it’s a set of PowerShell cmdlets for administrators of VMware NSX running in vSphere environments. Tony Sangha has a nice article providing step-by-step instructions on setting up a site-to-site IPSec VPN between VMware NSX and a Cisco CSR 1000v. ZFS will be in the next Ubuntu Linux LTS release.

Vmware 60

Vmware Linux Intel Network 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. Brendan Gregg has a pretty detailed write-up on migrating from Solaris to Linux (pertinent given the recent layoff of the majority of the Solaris developers). Vladan Seget shares how to create a VMware ESXi ISO image with the latest patches.

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Scott Lowe

DECEMBER 11, 2018

Noorali starts out with a quick introduction/overview of Helm, likening it to yum or apt for Linux packages. This leads Noorali into a high-level description of some of the features planned for Helm v3, which will move to an entirely client-side architecture (no more Tiller, yay!). Helm v2.12.0 (the Rice moves on to Linkerd 2.0,

Open Source 60

Open Source Vmware Architecture Cloud 60

Scott Lowe

JANUARY 6, 2018

Erik Hinderer takes a stab (based on his field experience) at estimating how long it takes to upgrade VMware NSX. Christian Kellner talks about work done on Thunderbolt 3 security levels for GNU/Linux. I thought I also saw a VMware blog post on the provider as well, but couldn’t find any link (guess I was mistaken).

Linux 60

Linux Vmware Comparison Network 60

Scott Lowe

MAY 12, 2016

I recently spoke at Interop 2016 in Las Vegas, and while I was there I scribbled down some notes pertaining to how decomposing applications into microservices-based architectures was similar in some respects to decomposing networks into an overlay network and an underlay (physical) network. Networking. Nothing this time around.

Vmware 60

Vmware Windows Network Agile 60

Scott Lowe

FEBRUARY 2, 2017

Flatpak is a (relatively) new application packaging/sandboxing mechanism for Linux applications. The post is a bit geeky but quite informative, and worth reading if SSH bastion hosts are a key part of your architecture. This looks really promising, IMHO—I’m excited to see it continue to develop. Not sure what a bastion host is?

Linux 60

Linux Network Virtualization IPv6 60

Scott Lowe

MARCH 2, 2017

For me, the key takeaway was that you need to carefully examine the architecture of your application(s) in order to understand where serverless (function-as-a-service) is the best fit. Here’s a walkthrough to install Arch Linux on VirtualBox. Alan Renouf shows you how to retrieve NVMe storage device details using PowerCLI.

Linux 60

Linux Devops Open Source Virtualization 60

Scott Lowe

JUNE 29, 2016

Andrew Beekhof tackles some issues around the evolving OpenStack HA architecture ; in particular, how and when Pacemaker should be used as more and more OpenStack services become able to operate in active/active configurations. This is a highly technical article on scheduling in the Linux kernel , but it’s well worth reading.

Linux 60

Linux Network Hardware Vmware 60

Scott Lowe

MARCH 7, 2014

Jointly authored by VMware, Microsoft, Red Hat, and Intel, this new protocol proposal attempts to bring together the strengths of the various network virtualization encapsulation protocols out there today (VXLAN, STT, NVGRE). .” If you’re looking to get some storage geek on, this is worth a read. Virtualization.

Virtualization 60

Virtualization Hardware Intel Vmware 60

Storage IO Blog

MAY 4, 2017

This is part two of a two-part series looking at Microsoft Azure Stack with a focus on my experiences installing Microsoft Azure Stack Technical Preview 3 (TP3) including into a nested VMware vSphere ESXi environment. Read part one here that provides a general overview of Azure Stack.

Vmware 58

Vmware Microsoft Data Center Dell 58

Scott Lowe

OCTOBER 27, 2017

I like this article on using Couchbase on AWS from Kubernetes because it addresses an often-overlooked (in my opinion) aspect of containerized/microservices architectures: they still need to communicate to external services. Tom Scanlan shares how to use VIC volumes as a way of helping address persistent storage challenges with containers.

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

MARCH 11, 2014

Docker leverages LXC (Linux Containers), which encompasses Linux features like cgroups and namespaces for strong process isolation and resource control. While Docker currently leverages LXC, the Docker architecture isn’t necessarily limited to LXC. LTS as the Linux platform. linux-headers-generic-lts-raring.

Linux 88

Linux Construction Applications Virtualization 88

Scott Lowe

SEPTEMBER 5, 2013

Jeda Networks describes themselves as a “software-defined storage networking” company. Given my previous role at EMC (involved in storage) and my current role at VMware focused on network virtualization (which encompasses SDN), I was quite curious. If there is a better definition, please let me know.)

Meeting 63

Meeting Storage Hardware Network 63

Cloud Musings

OCTOBER 28, 2016

NCTA Cloud Operations that helps you study the management of cloud operations and addresses the application need for compute power, managing CPU scaling, and meeting both structured and unstructured storage requirements.

Cloud 70

Cloud Web Services Hardware Software 70

Storage IO Blog

AUGUST 17, 2017

Need to learn more about Microsoft Azure Cloud Software Defined Data Infrastructure topics including reference architecture among other resources for various application workloads? Microsoft Azure has an architecture and resources page (here) that includes various application workload reference tools.

Resources 40

Resources Software Software Microsoft 40

Scott Lowe

AUGUST 16, 2013

In part 1 of the series, I provided a high-level overview of the NVP architecture and components. In this post, I’ll dive into a bit more detail on one key component of the architecture: the NVP controllers and controller cluster. I’ll start with first reviewing the role of the NVP controllers in the overall architecture.

Network 77

Network Transportation Architecture Virtualization 77

Scott Lowe

MAY 1, 2014

Architecturally, Heat has a few major components: The heat-api component implements an OpenStack-native RESTful API. Now that you have an idea about Heat’s architecture, I’ll walk you through an example template that I created and tested on my own OpenStack implementation (running OpenStack Havana on Ubuntu 12.04

Resources 71

Resources Network Groups .Net 71