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. Servers/Hardware. Cabling is hardware, right? Virtualization. Cloud Computing/Cloud Management.

Linux 74

Linux Load Balancer IPv6 Licensing 74

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. Servers/Hardware. Virtualization. I hope you find something useful!

Linux 60

Linux Load Balancer Malware Virtualization 60

Virtualized Greek

SEPTEMBER 8, 2013

This is different from the current software first movement in that Cisco’s approach is based on their hardware first view of the network. However, if you were to go by the response to the number of vendors supporting the NSX ecosystem you’d think the entire industry is going against this hardware first religion. Arista – Top of Rack.

Vmware 78

Vmware Load Balancer Hardware HP 78

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. Servers/Hardware. Humair Ahmed takes a closer look at some Cross-VC NSX security enhancements that landed in the recent NSX 6.3

Vmware 60

Vmware Linux Storage Load Balancer 60

Scott Lowe

OCTOBER 14, 2017

Romain Decker has an “under the hood” look at the VMware NSX load balancer. Servers/Hardware. This graphical summary of the AWS Application Load Balancer (ALB) is pretty handy. Virtualization. Nothing this time (sorry!). I’ll keep an eye open for links to include next time around.

Load Balancer 60

Load Balancer Vmware Hardware Open Source 60

Scott Lowe

AUGUST 6, 2021

Here’s a quick look at using Envoy as a load balancer in Kubernetes. Servers/Hardware. Virtualization. Via William’s post on configstorecli , I also saw this post by Duncan Epping on renaming a virtual switch on vSphere 7.0U2 and higher. I hope this collection of links has something useful for you!

Open Source 60

Open Source Load Balancer WAN Architecture 60

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. Servers/Hardware. Daniel Sagi of Aqua Security explains the mechanics behind a Pod escape using file system mounts.

Load Balancer 60

Load Balancer Cloud Applications Vmware 60

Scott Lowe

APRIL 6, 2017

Servers/Hardware. Konstantin Ryabitsev has a series going on securing a SysAdmin Linux workstation. Part 1 covers how to choose a Linux distribution, and part 2 discusses some security tips for installing Linux on your SysAdmin workstation. Virtualization. Need to customize the virtual networks that VMware Fusion offers?

Vmware 60

Vmware Linux Storage Network 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. Servers/Hardware. From an unknown author, we have this security rant on Flatpak. Virtualization.

Load Balancer 60

Load Balancer Operating Systems Intel Hardware 60

Scott Lowe

JUNE 8, 2018

Kamal Kyrala discusses a method for accessing Kubernetes Services without Ingress, NodePort, or load balancers. Servers/Hardware. What I found interesting is that the local NVMe storage is also hardware encrypted. Virtualization. Why is this in the networking section? Because it involves IP routing and ECMP!

Load Balancer 60

Load Balancer Vmware Storage Intel 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. Servers/Hardware. This doesn’t make me feel very secure. Virtualization. Nothing this time around, sorry!

Vmware 60

Vmware Load Balancer Network Open Source 60

Scott Lowe

AUGUST 17, 2018

Servers/Hardware. Andrew Martin has a write-up with security recommendations for your Kubernetes clusters. Check out these articles talking about IPVS-based in-cluster load balancing , CoreDNS , dynamic kubelet configuration , and resizing persistent volumes in Kubernetes. Virtualization.

Load Balancer 60

Load Balancer Storage Network Linux 60

Scott Lowe

SEPTEMBER 22, 2017

and their product (VirTool Network Analyzer) is aimed at providing some operational visibility into OpenStack virtual networks. Servers/Hardware. Chris Binnie walks you through the process of using user namespaces to help secure your Docker hosts and containers. Virtualization. Cloud Computing/Cloud Management.

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. Servers/Hardware. Virtualization. In any case, this article by Frank Denneman on Storage DRS load balancing frequency might be useful to you.

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. Servers/Hardware. Software company Agile Bits recently announced support for U2F-compatible hardware security keys in their 1Password product. Virtualization. I haven’t tested it.). Good stuff!

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. Servers/Hardware. The security posture of Docker containers is, rightfully so, starting to see more focus. Major Hayden has an article on using Ansible to secure OpenStack hosts. Networking.

Vmware 60

Vmware Network Load Balancer Linux 60

Scott Lowe

DECEMBER 17, 2015

If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer. Servers/Hardware. This article listing 20 Linux server hardening tips contains some basic tips but is nevertheless a very good resource for someone looking for Linux security recommendations. Virtualization.

Vmware 60

Vmware Linux Architecture Hardware 60

Scott Lowe

SEPTEMBER 12, 2013

Recep will cover the hardware side of ONP; Gershon will cover the software side of ONP (referred to as ONS). 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.

Intel 61

Intel Load Balancer Architecture Virtualization 61

Scott Lowe

DECEMBER 6, 2012

First up is Brent Salisbury’s how to build an SDN lab without needing OpenFlow hardware. Not unsurprisingly, one of the key advantages of STT that’s highlighted is its improved performance due to TSO support in NIC hardware. Servers/Hardware. Virtualization. I needed to fill in some other knowledge gaps first.)

Vmware 109

Vmware Virtualization Storage Hardware 109

Fountainhead

OCTOBER 6, 2009

Insights into Data Center Infrastructure, Virtualization, and Cloud Computing. When a new server (physical or virtual) is created, much of this infrastructure also has to be provisioned to support it. That is, I/O is virtualized, networking is frequently converged (i.e. a Fabric), and network switches, load balancers, etc.

Load Balancer 100

Load Balancer Virtualization Data Center Network 100

Scott Lowe

FEBRUARY 10, 2015

tech preview of virtual networks for Docker. Tom’s key point is that disaggregating software from hardware—which is kind of a given if you’re buying whitebox networking gear—gives you the (potential) flexibility to repurpose network gear based on the software running on it. Servers/Hardware. Virtualization.

Open Source 60

Open Source Vmware Network IBM 60

Data Center Knowledge

JULY 17, 2013

The term “Cloud Management” is nebulous, but typically refers to a distinct set of tasks related to managing the infrastructure level (IaaS) cloud layers, typically comprised of the physical and virtual infrastructure, as well as the cloud orchestration layer – whether inside a corporation or a Service Provider cloud. Security policies.

Data Center 203

Data Center Cloud Data Applications 203