Scott Lowe

FEBRUARY 16, 2017

The rise of the disaggregated network operating system (NOS) marches on: this time, it’s Big Switch Networks announcing expanded hardware support in Open Network Linux (ONL) , upon which its own NOS is based. I use OTR with Adium on OS X, and OTR with Pidgin on my Fedora Linux laptop.). Operating Systems/Applications.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

MAY 7, 2021

In this Technology Short Take, I’ve gathered some links for you covering topics like Azure and AWS networking, moving from macOS to Linux (and back again), and more. Ben Wilcock shares his experience with an Intel NUC 11. Operating Systems/Applications. Virtualization. Let’s jump right into the content!

Linux 60

Linux Hardware Network Cloud 60

Scott Lowe

APRIL 6, 2017

Humair Ahmed of VMware shares some details on a new control plane resiliency feature recently added to VMware NSX: Controller Disconnected Operation (CDO) mode. Here’s a handy list of deprecated Linux network commands and their replacements. Intel NUC or SuperMicro E200-8D? Operating Systems/Applications.

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

SEPTEMBER 10, 2014

In case you hadn’t noticed, I’m at Intel Developer Forum (IDF) 2014 this week in San Francisco. Intel has a very large consumer presence: PCs, ultrabooks, tablets, phones, 2-in–1/convertibles, all-in–1 devices. Bare Metal, Containers, and Virtualization: The Growing Choices for Cloud Applications.

Intel 60

Intel Hardware Linux Virtualization 60

Scott Lowe

MAY 29, 2020

Operating Systems/Applications. Nicola Apicella has a nice, in-depth write-up discussing Docker images, overlay file systems, and the OCI specification. Virtualization. Kyle Galbraith takes readers through the use of AWS Organizations to simplify billing for multiple accounts.

Linux 60

Linux Virtualization Security Backup 60

Scott Lowe

JUNE 2, 2016

Drew Conry-Murray shines a light on Intel’s network ambitions. This is something I’ve been watching for a couple of years, since attending my first Intel Developer Forum (IDF). Intel clearly has its sights set on expanding beyond just “servers” into many more platforms, including network hardware platforms. Virtualization.

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

JULY 17, 2020

This is a great read overall, but one sentence in particular really caught my eye: “30 years ago I was able to write a complete multitasking operating system in Z80 assembly code. Jon Langemak is blogging again, and he jumps back into the “blogging saddle” with a post on working with tc on Linux systems.

Linux 60

Linux Apple Operating Systems Policies 60

Scott Lowe

NOVEMBER 25, 2020

Operating Systems/Applications. You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself). You may have heard of eBPF, the Linux technology that is reshaping Linux applications (and in some ways reshaping Linux itself).

Linux 60

Linux Vmware Open Source Examples 60

Scott Lowe

NOVEMBER 30, 2012

I adopted OS X as my operating system of choice in 2003 because I wanted a stable, powerful, UNIX-based operating system. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Apple on Intel. Apple and Virtualization. Macintosh iPhone Linux'

Operating Systems 131

Operating Systems Apple Applications Linux 131

Scott Lowe

DECEMBER 8, 2016

This is an interesting project to watch, I think—it’s porting OVN (Open Virtual Network) from a “traditional” OvS back-end to an IOVisor-based back-end (IOVisor implements the data plane in eBPF). Intel has a tutorial series on Intel Software Guard Extensions (SGX). Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Storage Intel Virtualization 60

Scott Lowe

MARCH 8, 2016

Cue the round of folks claiming that this is why proprietary network operating systems [NOSes] are the route the networking industry should be taking.). The article specifically calls out SR-IOV as well as Intel Data Plane Development Kit (DPDK) support within Open vSwitch (OVS). Operating Systems/Applications.

Vmware 60

Vmware Linux Intel Network 60

Scott Lowe

JULY 22, 2013

The networking “old guard” likes to talk about how x86 servers and virtualization create network bottlenecks due to performance concerns, but as Ivan points out in this post , it’s rapidly becoming—or has already become—a non-issue. (By Operating Systems/Applications. Virtualization.

Vmware 106

Vmware Virtualization Network Linux 106

Scott Lowe

MARCH 7, 2014

Craig Matsumoto of SDN Central helps highlight a recent (and fairly significant) development in networking protocols—the submission of the Generic Network Virtualization Encapsulation (Geneve) proposal to the IETF. Via Kevin Houston, you can get more details on the Intel E7 v2 and new blade servers based on the new CPU.

Virtualization 60

Virtualization Hardware Intel Vmware 60

Scott Lowe

SEPTEMBER 3, 2014

Is Intel having second thoughts about software-defined infrastructure? That’s the core question in this blog post , which explores the future of Intel in a software-defined world and the increasing interest in non-x86 platforms like ARM. Operating Systems/Applications. Virtualization. Servers/Hardware.

Linux 60

Linux Network Vmware Disaster Recovery 60

Scott Lowe

JULY 22, 2013

The networking “old guard” likes to talk about how x86 servers and virtualization create network bottlenecks due to performance concerns, but as Ivan points out in this post , it’s rapidly becoming—or has already become—a non-issue. (By Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Virtualization Network Linux 60

Scott Lowe

DECEMBER 8, 2017

Jon Benedict has a brief article on OVN and its integration into Red Hat Virtualization; if you’re unfamiliar with OVN, it might be worth having a look. Jon Benedict has a brief article on OVN and its integration into Red Hat Virtualization; if you’re unfamiliar with OVN, it might be worth having a look. Virtualization.

Vmware 60

Vmware Linux Network Cloud 60

Scott Lowe

MAY 4, 2017

News in the OpenStack space hasn’t been so good recently (Intel pulling out of OSIC, various companies laying off folks, other “pure play” companies shifting focus away from OpenStack), but here’s one architect’s perspective on what you may still want to attend the OpenStack Summit. Operating Systems/Applications.

Vmware 60

Vmware Storage Network Examples 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. Operating Systems/Applications. Virtualization. Networking. and Gluster.

Vmware 60

Vmware Storage Network Windows 60

Scott Lowe

OCTOBER 23, 2013

Intel announced the E5 2600 v2 series of CPUs back at Intel Developer Forum (IDF) 2013 (you can follow my IDF 2013 coverage by looking at posts with the IDF2013 tag ). Although I’m just now catching Kevin’s posts, they were published almost immediately after the Intel announcements—thanks for the promptness, Kevin!).

Vmware 60

Vmware Network Virtualization Storage 60

Scott Lowe

MARCH 23, 2017

Operating Systems/Applications. Virtualization. In this article , a presentation given by Graham Whaley of Intel discusses the “continuum” that exists between containers and VMs, and how in the future we’ll pick and choose the best attributes of both approaches. Or is there more I’m not seeing?

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

SEPTEMBER 12, 2013

This is session COMS002, titled “The Future of Software-Defined Networking with the Intel Open Network Platform Switch Reference Design.” ” The speakers are Recep Ozdag, a PME with Intel, and Gershon Schatzberg, a PLM with Wind River Systems. The first concept that Recep discusses is network virtualization.

Intel 61

Intel Load Balancer Architecture Virtualization 61

Scott Lowe

SEPTEMBER 5, 2013

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. For example, their product runs natively as an agent/daemon/service on various UNIX platforms, various Linux distributions, and all recent versions of Windows Server.

Meeting 63

Meeting Storage Hardware Network 63

Scott Lowe

MARCH 10, 2023

Frank Denneman digs into Sapphire Rapids memory configurations (Sapphire Rapids is Intel’s 4th generation Scalable Processor Architecture). William Lam shares news about higher-capacity SODIMMs available for small or ultra small form factor systems. Diego Crespo talks about PowerShell on Linux and his experience with it.

IPv6 74

IPv6 Linux Tools Network 74

Scott Lowe

JUNE 19, 2020

The collection seems a tad heavier than normal in the hardware and security sections, probably due to new exploits discovered in Intel’s speculative execution functionality. This article describes a new attack that “breaches the security guarantees” of Intel SGX. Operating Systems/Applications.

Linux 60

Linux Intel Hardware Storage 60

Scott Lowe

MARCH 20, 2020

This blending of “traditional” network engineering with containers, Linux, and DevOps tooling is how Matt is setting new trends and directions for the networking industry. Mark Ermolov discusses a vulnerability in the ROM (read-only memory) of the Intel Converged Security and Management Engine (CSME). Virtualization.

Linux 60

Linux Vmware Authentication Storage 60

SPF13

MARCH 20, 2015

The Internet Era: 00s • Internet changes everything • Open source movement gains traction (Linux, Apache, MySQL, PHP) • Tech selling ads, bits, hardware & services • Google Dominates. Summary: small poll for my new operating system? Open Source Companies • Redhat $13B • Cloudera $3B • MongoDB $1.6B • Docker $.5B

Open Source 100

Open Source Linux Software Software 100

Scott Lowe

OCTOBER 23, 2020

Still, there’s a decent collection of networking, cloud computing, and virtualization articles as well as a smattering of other topics for you to peruse. ” Ivan Pepelnjak attempts to answer the question, “How much do I need to know about Linux networking?” Operating Systems/Applications.

Open Source 60

Open Source Vmware Disaster Recovery Linux 60

Scott Lowe

JUNE 4, 2013

Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” I talked before about the difference between network virtualization and SDN, so no need to mention that again. I missed this on the #vBrownBag series: designing HP Virtual Connect for vSphere 5.x. Virtualization.

HP 106

HP Virtualization Hardware Network 106

Scott Lowe

APRIL 3, 2016

The examples Phil uses include StackWise, Virtual Switching System, and Virtual Port Channels. Alban Crequy has a post on using Linux queueing disciplines (qdiscs, for short) to help with testing application behavior under degraded network conditions. Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Network Linux Hardware 60

Scott Lowe

SEPTEMBER 8, 2016

Intel has finally started shipping silicon photonics gear, according to this report from El Reg (news coming out of IDF16). I predicted a couple of years ago that Intel SGX (Software Guard Extensions) was going to be HUGE (see here ). Operating Systems/Applications. Virtualization. Servers/Hardware.

Vmware 60

Vmware Linux Intel Storage 60

Scott Lowe

OCTOBER 8, 2014

I’m going to go out on a limb and make a prediction: In a few years time (let’s say 3–5 years), Intel SGX (Software Guard Extensions) will be regarded as important if not more important than the virtualization extensions. What is Intel SGX, you ask? Operating Systems/Applications.

Storage 60

Storage Intel Disaster Recovery Virtualization 60

Scott Lowe

SEPTEMBER 13, 2013

I’m back home in Denver after spending a few days in San Francisco at Intel Developer Forum (IDF) 2013, so I thought I’d take a few minutes to sit down and share a summary of the event and my thoughts. Enhancing OpenStack with Intel Technologies for Public, Private, and Hybrid Cloud: [link].

Intel 60

Intel Network Architecture Virtualization 60

Scott Lowe

APRIL 2, 2021

In this post , Jakub Sitnicki digs way deep into the Linux kernel to uncover the answer to the question, “Why are there no entries in the conntrack table for SYN packets dropped by the firewall?” Linux malware is getting more sophisticated. Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Firewall Storage Comparison 60

Scott Lowe

NOVEMBER 19, 2021

Here’s an article on the recently-introduced pwru tool, which aims to help with tracing network packets in the Linux kernel. Ars Technica takes a look at the new Intel “Alder Lake” CPUs. Microsoft found a macOS vulnerability that could bypass System Integrity Protection (SIP). Operating Systems/Applications.

Network 79

Network Hardware Vmware Tools 79

Scott Lowe

JUNE 4, 2013

Tom Nolle asks the question , “Is virtualization reality even more elusive than virtual reality?” I talked before about the difference between network virtualization and SDN, so no need to mention that again. I missed this on the #vBrownBag series: designing HP Virtual Connect for vSphere 5.x. Virtualization.

HP 61

HP Virtualization Hardware Network 61

Scott Lowe

MARCH 5, 2013

Ben Cherian, Chief Strategy Officer for Midokura, helps make a case for network virtualization. Note: Midokura makes a network virtualization solution.) If you’re wondering about network virtualization and why there is a focus on it, this post might help shed some light. Operating Systems/Applications.

Virtualization 102

Virtualization Storage Vmware Network 102

Scott Lowe

DECEMBER 6, 2012

These articles are a bit long in the tooth, but CSS Corp has a useful series of articles on bundling various Linux distributions for use with OpenStack: bundling CentOS , bundling CentOS with VNC , bundling Debian , and bundling OpenSUSE. Operating Systems/Applications. Virtualization. Until the 1.3

Vmware 109

Vmware Virtualization Storage Hardware 109