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The latest News and Information on IT Networks and related technologies.

Data centre networking: what is OVS?

In one of our preceding blogs, we spoke about Software-Defined Networking (SDN) and the key drivers behind it. Virtualisation is one of the fundamental aspects that characterises SDN, and has influenced the architecture of network switching in the data centre. OVS (Open vSwitch) is a fundamental component of modern and open data centre SDNs, where it aggregates all the virtual machines at the server hypervisor layer.

The Gremlin November 2021 release: Integrate better with private network integrations

We’re excited to announce the launch of private network integrations! This lets you use our existing Status Checks and Webhooks features on systems residing inside of your internal network, empowering any Gremlin team to automate Gremlin tasks safely and securely.

How to run Status Checks within your private network using private network integrations

With private network integrations, you can now run Status Checks and Webhooks within your private networks without having to expose endpoints to the public Internet. Integrate with your internal tools without leaving the security of your own private network!

How Can IT Infrastructure Be More Sustainable?

The buzz from the COP26 climate conference which took place in Glasgow in November can still be heard, and it’s no small wonder that IT infrastructure – in particular the cloud and data centre sector - featured as a prominent part of the conversation. In this blog we look at some of the steps being taken by cloud providers and data centre operators to build towards a more sustainable future.

Announcing HAProxy 2.5

Register for our live webinar to learn more about this release. HAProxy 2.5 is now available! It adds improvements to a number of areas including better usability around setting variables, more descriptive error reporting and logging, and enhanced HTTP and WebSocket support. The HAProxy Runtime API has expanded its coverage of SSL-related commands and now includes the ability to add and remove CA files and revocation lists on-the-fly.

Mentorship and Shared Languages of Network Engineering with Cat Gurinsky | Network AF Episode 6

On this episode of Network AF, Avi is joined by Senior Network Engineer Cat Gurinsky to share her journey through networking. Cat found a passion for automating deployments and troubleshooting and is the current chair for the NANOG Program Committee.

Turbocharging AKS networking with Calico eBPF

A single Kubernetes cluster expends a small percentage of its total available assigned resources on delivering in-cluster networking. We don’t have to be satisfied with this, though—achieving the lowest possible overhead can provide significant cost savings and performance improvements if you are running network-intensive workloads.