CTOvision

AUGUST 16, 2013

Lloyd underscored the importance of improving IT architecture to support today’s challenges and discussed a vision for data center networking. It was great learning that early in his career he was a technologist supporting the US Navy, supporting R&D and operations and making advances in capabilities from drones to helicopters.

Video 222

Video Data Center Network Big Data 222

Scott Lowe

AUGUST 6, 2021

Via Alex Mitelman’s Systems Design Weekly 015 , I was pointed to this AWS article on multi-site active-active architectures. It’s a good starting point for thinking about operating your own active-active architecture. Operating Systems/Applications. Virtualization. Career/Soft Skills.

Open Source 60

Open Source Load Balancer WAN Architecture 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. This is an interesting deep dive into Intel’s “Ice Lake” Xeon SP architecture.

Linux 90

Linux Load Balancer Malware Virtualization 90

Scott Lowe

AUGUST 11, 2016

In this post you’ll find a collection of links to articles discussing the major data center technologies—networking, hardware, security, cloud computing, applications, virtualization…you name it! (If Numan Siddique describes the native DHCP support available in OVN (Open Virtual Network). Operating Systems/Applications.

Vmware 60

Vmware Hardware Storage Linux 60

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

Vmware 60

Vmware Storage Linux Network 60

All Things Distributed

DECEMBER 18, 2012

Bar-Yam, Journal of Systems Science and Complexity. May 28 - Virtual Time and Global States of Distributed Systems , Friedemann Mattern, Parallel and Distributed Algorithms, North-Holland (1989) , p. Jul - 13 Hints for Computer Systems Design Proceedings of the Ninth ACM Symposium on Operating Systems Principles, pp.

Operating Systems 144

Operating Systems Conference Survey System 144

Scott Lowe

NOVEMBER 22, 2019

I found this link in the serverless mullet architectures post, see the “Operating Systems/Applications” section below.). If you’re seeking to deepen your understanding of the Kubernetes architecture, I can heartily recommend this article. Operating Systems/Applications. Virtualization.

Architecture 60

Architecture Operating Systems Applications How To 60

Scott Lowe

MARCH 12, 2021

I didn’t do so well on storage links; apologies to my storage-focused friends! Operating Systems/Applications. Alex Gurbych discusses a microservices architecture, including adapting the concepts to actual services and offerings from AWS. Virtualization. Welcome to Technology Short Take #138.

IPv6 60

IPv6 Network Storage Policies 60

Scott Lowe

MARCH 16, 2018

Operating Systems/Applications. Adrian Hornsby has a series (two parts so far) on designing a multi-region active-active architecture. The focus of this series seems to be more on application architecture than infrastructure architecture, although there are clear overlaps in areas. Virtualization.

Architecture 60

Architecture Meeting Storage Hardware 60

Scott Lowe

MAY 9, 2014

Network Functions Virtualization (NFV) is a networking topic that is starting to get more and more attention (some may equate “attention” with “hype”; I’ll allow you to draw your own conclusion there). Operating Systems/Applications. Here’s hoping you find something useful! Networking.

Vmware 60

Vmware Storage HP Virtualization 60

Dataconomy

SEPTEMBER 12, 2023

Server virtualization can do the trick for you if you also struggle to scale your applications to meet growing demands without breaking the bank. Server virtualization is a game-changing technology that has revolutionized the way organizations deploy and manage their IT infrastructure.

Virtualization 78

Virtualization Storage Hardware Disaster Recovery 78

Scott Lowe

JUNE 2, 2016

Dmitri Kalintsev examines some options for addressing storage-related connectivity in NSX environments. I’m not yet convinced that running something like the AWS CLI in a Docker container is worth the extra effort (a Python virtual environment may be more appropriate here). Operating Systems/Applications. Virtualization.

Vmware 60

Vmware Virtualization Linux Windows 60

Scott Lowe

MAY 7, 2021

VentureBeat discusses Armv9 , a new architectural update for Arm-based CPUs. Chris Evans examines the pricing of virtual instances compared to managed servie offerings as he ponders how hyper-scalers like AWS, Azure, and Google will go about/are going about optimizing service density (i.e., Operating Systems/Applications.

Linux 60

Linux Hardware Network Cloud 60

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. Operating Systems/Applications.

Open Source 60

Open Source Storage Vmware Network 60

Scott Lowe

OCTOBER 5, 2012

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. This is an awesome overview of the OpenStack Folsom architecture , courtesy of Ken Pepple. Operating Systems/Applications. Virtualization.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

APRIL 24, 2020

It is summed up, for me, in this quote: “The crucial architectural difference here is that vSphere wants us to stop thinking about individual physical servers, and AWS wants us to stop thinking about individual VMs.” ” It’s not just about VMotion; it’s about the bigger architectural shifts that need to be made.

Storage 60

Storage Tools Architecture Network 60

Scott Lowe

OCTOBER 27, 2017

Russell Bryant has a post on Open Virtual Network (OVN) , a project within the Open vSwitch (OVS) community. 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.

Firewall 60

Firewall Virtualization Network Storage 60

Scott Lowe

NOVEMBER 25, 2013

Linux containers are getting a fair amount of attention these days (perhaps due to Docker , which leverages LXC on the back-end) as a lightweight alternative to full machine virtualization such as that provided by “traditional” hypervisors like KVM, Xen, or ESXi. Linux Virtualization CLI LXC Ubuntu'

Linux 96

Linux Virtualization Operating Systems Architecture 96

Linux Academy

APRIL 30, 2019

LPI Linux Essentials — This course teaches the basic concepts of processes, programs, and the components of the Linux operating system. This course covers the basics of Prometheus, which includes its architecture and components, such as exporters, client libraries, and alerting. 3) Join us on YouTube! Courses Free in May.

Linux 113

Linux Course Big Data Devops 113

Scott Lowe

SEPTEMBER 3, 2013

Art Fewell takes a deeper look at the increasingly important role of the virtual switch. Even so, this Q&A session with Martin Casado on managing physical and virtual worlds in parallel might be worth going through the hassle. Operating Systems/Applications. Virtualization. Networking. This looks interesting.

Vmware 60

Vmware Data Center Storage Disaster Recovery 60

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. This next round of hardware offloads seems targeted at network virtualization and related technologies.

Virtualization 60

Virtualization Hardware Intel Vmware 60

Scott Lowe

NOVEMBER 10, 2017

Lior Kamrat has a multi-part series on an architecture that blends Mesosphere DC/OS, Azure, Docker, and VMware vSphere. Operating Systems/Applications. Virtualization. Google is rolling out Kubernetes 1.8 to Google Container Engine; this blog post talks about some of the new features and functionality. Larry Smith Jr.

Vmware 60

Vmware Storage Engineering Network 60

Scott Lowe

MARCH 2, 2020

Chip Zoller makes the argument in favor of running Kubernetes in/on virtual machines. Christian Posta talks about how microservices are not the only approach to software design, and then walks through the recent shift in Istio—the open source service mesh—from a microservices-based architecture to a more monolithic approach.

Linux 60

Linux Windows Hardware Network 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. Operating Systems/Applications. Virtualization. Networking.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

MAY 3, 2019

Keybase discusses some challenges with encrypted chat applications and how their architecture avoids some of those challenges. Operating Systems/Applications. Virtualization. Here’s a great post with more details on concerns over randomness in virtual machines. Cloud Computing/Cloud Management.

Vmware 60

Vmware Open Source Intel Applications 60

Scott Lowe

MARCH 17, 2016

Operating Systems/Applications. Two articles in particular stood out to me: one by Christos Karamanolis on erasure coding with VSAN 6.2 , and one by my good friend Jase McCarty on the use of sparse virtual swap files. Finally, you might find the VMware Virtual SAN 6.2 Virtualization. of VSAN (alongside vSphere 6.0

Vmware 60

Vmware Linux Network Open Source 60

Linux Academy

NOVEMBER 1, 2019

Students will explore how containers work, how they compare with virtual machines and Docker containers, and how they handle application isolation. Students will learn by doing through installing and configuring containers and thoughtfully selecting a persistent storage strategy. Linux Operating System Fundamentals.

Course 104

Course Linux Devops Big Data 104

Scott Lowe

MARCH 2, 2017

I just noticed this article about using Nova flavor extra-specs to pass QoS data down to the virtualization layer. Operating Systems/Applications. Alan Renouf shows you how to retrieve NVMe storage device details using PowerCLI. Virtualization. Thinking of virtualizing Linux on Hyper-V? That’s handy.

Linux 60

Linux Devops Open Source Virtualization 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

FEBRUARY 11, 2016

see below in the “Operating Systems/Applications” section), Metaswitch has announced a Container Networking Interface (CNI) plugin for Project Calico. Only a year late, I found this article about Cisco IOS XRv (as in “virtual”). Operating Systems/Applications. Virtualization. Networking. Servers/Hardware.

Vmware 60

Vmware Network Operating Systems Virtualization 60

Scott Lowe

JULY 13, 2018

Operating Systems/Applications. This article on another reason your Docker containers may be slow was an excellent reminder that containerization is not equal to virtualization (that doesn’t make it better or worse, just different), and therefore can’t be treated the same. Virtualization. on a vSphere 6.7

Load Balancer 60

Load Balancer Virtualization Authentication Tools 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.). Operating Systems/Applications. Kenneth Hui has a couple of great articles on persistent storage with application containers (first one here , then this follow-up post ).

Vmware 60

Vmware Linux Intel Network 60

Scott Lowe

SEPTEMBER 10, 2014

I was able to hit two technical sessions yesterday and liveblogged both of them: Virtualizing the Network to Enable a Software-Defined Infrastructure. Bare Metal, Containers, and Virtualization: The Growing Choices for Cloud Applications. Both were good sessions. Coffee Chats. Closing Thoughts.

Intel 60

Intel Hardware Linux Virtualization 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). Operating Systems/Applications. Nick Korte shares some “lessons learned” as his team explored VMware vSAN as a storage solution. Virtualization.

Vmware 60

Vmware Linux Network Storage 60

Linux Academy

APRIL 29, 2019

LPI Linux Essentials — This course teaches the basic concepts of processes, programs, and the components of the Linux operating system. This course covers the basics of Prometheus, which includes its architecture and components, such as exporters, client libraries, and alerting. 3) Join us on YouTube! Courses Free in May.

Linux 60

Linux Course Big Data Devops 60

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

Scott Lowe

FEBRUARY 2, 2017

Michael Kashin has a great article on how Open Virtual Network (OVN, part of the Open vSwitch project) implements virtual networks in OpenStack. Operating Systems/Applications. The post is a bit geeky but quite informative, and worth reading if SSH bastion hosts are a key part of your architecture. Virtualization.

Linux 60

Linux Network Virtualization IPv6 60