Scott Lowe

AUGUST 6, 2021

Here’s a quick look at using Envoy as a load balancer in Kubernetes. It’s a good starting point for thinking about operating your own active-active architecture. Operating Systems/Applications. Virtualization. I hope this collection of links has something useful for you! Networking.

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 along the way. Operating Systems/Applications. Virtualization. Networking.

Linux 60

Linux Load Balancer Malware Virtualization 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. This graphical summary of the AWS Application Load Balancer (ALB) is pretty handy. Operating Systems/Applications. Virtualization. Servers/Hardware. Nothing this time (sorry!).

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

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. Operating Systems/Applications. Virtualization. Cloud Computing/Cloud Management. Check this out.

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

APRIL 15, 2022

Xavier Avrillier walks readers through using Antrea (a Kubernetes CNI built on top of Open vSwitch—a topic I’ve touched on a time or two) to provide on-premise load balancing in Kubernetes. Operating Systems/Applications. Virtualization. Servers/Hardware. Cabling is hardware, right?

Linux 74

Linux Load Balancer IPv6 Licensing 74

Scott Lowe

SEPTEMBER 27, 2019

The “TL;DR” for those who are interested is that this solution bypasses the normal iptables layer involved in most Kubernetes implementations to load balance traffic directly to Pods in the cluster. Operating Systems/Applications. Virtualization. Unfortunately, this appears to be GKE-specific.

Load Balancer 60

Load Balancer Cloud Applications Vmware 60

Scott Lowe

APRIL 6, 2017

Operating Systems/Applications. Here’s a Windows-centric walkthrough to using Nginx to load balance across a Docker Swarm cluster. As an aside, I do find it fascinating that new storage startups often emerge with support for Linux first, then add other operating systems afterward.). Virtualization.

Vmware 60

Vmware Linux Storage Network 60

Scott Lowe

JULY 13, 2018

Bernd Malmqvist talks about Avi Networks’ software-defined load balancing solution, including providing an overview of how to use Vagrant to test it yourself. Operating Systems/Applications. Virtualization. Julia Evans provides a quick overview of Wireshark. Mike Foley walks you through configuring TPM 2.0

Load Balancer 60

Load Balancer Virtualization Authentication Tools 60

Scott Lowe

NOVEMBER 9, 2018

Continuing on that Envoy theme, you may find this article by Matt Klein—one of the primary authors of Envoy—helpful in understanding some of the concepts behind modern load balancing and proxying. Operating Systems/Applications. Virtualization. Servers/Hardware. Good stuff!

Load Balancer 60

Load Balancer Operating Systems Intel Hardware 60

Scott Lowe

JUNE 18, 2021

The first is a post on Cilium and F5 load balancer integration , while the second discusses implementing Kubernetes network policies with Cilium and Linkerd. Operating Systems/Applications. Virtualization. Via Ivan Pepelnjak, I was pointed to Jon Langemak’s in-depth discussion of working with Linux VRFs.

Vmware 60

Vmware Hardware Load Balancer Apple 60

Scott Lowe

FEBRUARY 24, 2018

VPCs, or Virtual Private Clouds, are Amazon’s software-defined networking mechanism for workloads running on AWS.). Viktor van den Berg writes on deploying NSX load balancers with vRA. Operating Systems/Applications. Virtualization. Speaking of Buildah…here’s a post from Tomáš Tome?ek

Vmware 60

Vmware Load Balancer Network Open Source 60

Scott Lowe

AUGUST 17, 2018

Check out these articles talking about IPVS-based in-cluster load balancing , CoreDNS , dynamic kubelet configuration , and resizing persistent volumes in Kubernetes. Operating Systems/Applications. Virtualization. Nathaniel Avery shares a tip on saving some money by using the right servers on Azure.

Load Balancer 60

Load Balancer Storage Network Linux 60

Scott Lowe

JUNE 8, 2018

Kamal Kyrala discusses a method for accessing Kubernetes Services without Ingress, NodePort, or load balancers. Operating Systems/Applications. Virtualization. Here’s another one from David: running Juniper vQFX10K on ESXi 6.5. Personally, I’d love to see the KVM option explained.).

Load Balancer 60

Load Balancer Vmware Storage Intel 60

Scott Lowe

SEPTEMBER 22, 2017

and their product (VirTool Network Analyzer) is aimed at providing some operational visibility into OpenStack virtual networks. I saw a demo of the product—it looks quite handy, and provides a pretty fair amount of information to help operators figure out what’s happening “under the covers. Virtualization.

Storage 60

Storage Vmware Load Balancer 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. Operating Systems/Applications. Virtualization. There’s some additional information on the Quantum release on Folsom here.

Storage 92

Storage Vmware Linux Virtualization 92

Scott Lowe

JUNE 21, 2019

David Holder walks through removing unused load balancer IP allocations in NSX-T when used with PKS. Operating Systems/Applications. Virtualization. These two articles are interesting (to me) because they combine both network automation and Kubernetes. I’m looking forward to seeing how NaaS evolves.

Network 60

Network Load Balancer Storage Applications 60

Scott Lowe

NOVEMBER 16, 2015

Open Virtual Network (OVN) is really ramping up and getting lots of attention, which I personally think is absolutely well-deserved. Operating Systems/Applications. Virtualization. Welcome to Technology Short Take #56! In this post, I’ve collected a few links on various data center technologies, news, events, and trends.

Vmware 60

Vmware Network Load Balancer Linux 60

Linux Academy

FEBRUARY 26, 2019

March Study Group Course: Linux Operating System Fundamentals – Have you heard of Linux, but don’t really know anything about it? Students will explore how containers work, how they compare with virtual machines and Docker containers, and how they handle application isolation.

Linux 80

Linux Big Data Course Devops 80

Scott Lowe

DECEMBER 10, 2021

Baptiste Collard has a post on Kubernetes controllers for AWS load balancers. One takeaway from this post for me was that the new AWS load balancer controller uses a ton of annotations. Operating Systems/Applications. Virtualization. Here’s a handy Bash tip from Nick Janetakis.

Load Balancer 94

Load Balancer Vmware Operating Systems Architecture 94

The Accidental Successful CIO

AUGUST 3, 2011

Sure Virtualization Seems Neat In The Beginning, But…. To read the IT trade journals or speak with CIOs you’d think that we’ve all found the magic silver bullet that IT’s been looking for during the past few years: server virtualization. Virtualization has its own set of problems and we need to have a talk….

Virtualization 100

Virtualization Load Balancer Data Center Vmware 100

Scott Lowe

DECEMBER 17, 2015

Operating Systems/Applications. Virtualization. William Lam breaks down the real value of load balancing your PSC in this in-depth article. This is an older post on OpenStack availability zones and host aggregates , but useful nevertheless (for me, at least). Want to run Docker Swarm on Azure? Good write-up.

Vmware 60

Vmware Linux Architecture Hardware 60

KineticData

FEBRUARY 13, 2024

Containerization allows us to abstract the operating system that our application runs on into the “container” that the application is running in, as well as any related dependencies. For example, for an application that runs in the JVM (Java Virtual Machine), we package the JVM into the container as well as the application.

Devops 59

Devops Strategy Applications Load Balancer 59

Scott Lowe

SEPTEMBER 12, 2013

The first concept that Recep discusses is network virtualization. He believes that network virtualization is primarily about decoupling network services from the underlying network infrastructure. The specific terminology involved is that the virtual switches become a VTEP, a virtual tunnel end-point.

Intel 61

Intel Load Balancer Architecture Virtualization 61

Scott Lowe

DECEMBER 6, 2012

Operating Systems/Applications. I found this article on imperative vs. declarative system configuration is quite helpful in understanding Puppet’s declarative model. Virtualization. Both KVM and QEMU are needed for a full virtualization solution. Rainier” to create shared caches across servers.

Vmware 109

Vmware Virtualization Storage Hardware 109

Scott Lowe

FEBRUARY 10, 2015

This time around, the content is a bit heavier on cloud management and applications/operating systems, but still lots of good content all the way around (I hope, anyway). tech preview of virtual networks for Docker. Operating Systems/Applications. Virtualization. Networking. Servers/Hardware.

Open Source 60

Open Source Vmware Network IBM 60