OpenContrail becomes Tungsten Fabric

The Linux Foundation has recently obtained the OpenContrail source from Juniper. Having fully transitioned OpenContrail into the Linux Foundation, it is now rebranded as Tungsten Fabric. This move may appear to further distance it from Juniper‘s Contrail. But inside it is still the same SDN orchestrator, providing control, visibility and analytics across the network. Tungsten…

OpenContrail joins Linux Foundation

Juniper is moving their OpenContrail codebase to the Linux Foundation. OpenContrail is Juniper’s open-source version of their Contrail SDN orchestrator. Provided as an open-source offering, OpenContrail doesn’t have the support and service the commercial Contrail offering provides. In 2012, Juniper provided the first open-source Contrail version. Earlier this year they extended governance of the project,…

All 500 top supercomputers run Linux

The Top500 list regularly polls the organisations that run supercomputers creating a list of largest, fastest, most efficient and so on. The 50th release of the Top500 list was released yesterday.  And there have been some changes. The first is the rise in the number of Chinese supercomputers, putting them ahead of the United States for…

Qualcomm ships Centriq 2400 ARM server processor

Qualcomm has announced that its new ARM-based server chip is available for commercial shipment. The Centriq 2400 is an ARMv8 64 bit CPU, with 48 cores running at upto 2.6Ghz. Using Samsung‘s 10nm FinFET process for its construction, able to access up to 768GB of memory, a 268Gb/s ring bus links the 48 cores. Centriq…

TheRegister: Linux to gain longer-term support

El Register reports that the Linux kernel is gaining a longer-term support model. Their article indicates that Greg Kroah-Hartman is planning on a six-year term for the various Linux kernel long-term releases. Currently, Linux kernels have a two-year life in the Long-Term Support queue, before being retired. This support period isn’t enough for Google, who need longer-term support…

There’s a problem with IPv6 route lookup speed in Linux

The challenge The great thing about IPv6 is its larger IP address space, but this is also its weakness. That larger IP address space needs routing, potentially creating larger routing tables.. This creates larger routing tables, which has an impact on memory and the time taken to search them. Work done by Vincent Bernat shows…

My challenges with upgrading VMware to 6.5u1

So in theory, a new VMware release is normally a doddle to upgrade to using the methods covered in Keeping VMware ESXi Updated: 6.5 Update 1. It’s worked for the last few releases, and even the same underlying process worked to Upgrade VMware ESXi from 5.5U3 to 6.5 online. But when I tried to upgrade…