Telefonica expands Nuage solution with SDN for data centers

Spain‘s Telefonica Espana has selected Nokia‘s Nuage Networks to provide the SDN infrastructure for datacenter modernisation programme. This adds to the current SD-WAN deployment they made in 2017. (Nokia’s Nuage Networks SD-WAN selected to transform Telefónica business service) The deployment will use a spine and leaf architecture, as with most modern datacenter deployments. The design deploys…

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…

Dropbox deploys IPv6 at the edge

Dropbox‘s blog has a post from Haowei Yuan and colleagues, about engineering the Dropbox network to support IPv6 at the edge. Dropbox is serving about 15% of their requests via IPv6 each day. With IPv4 addresses no longer available, they need to support IPv6 to support the growth of their service in areas which are…

BT enhances Dynamic Network Services with Cisco ENCS

A short while ago, we posted about BT’s Dynamic Network Services plans. BT has now taken the next step, launching the Cisco ENCS platform as the delivery point for its Connect Services Platform for NFV. Their snappily titled press-release (BT and Cisco accelerate partnership for future networks) has more to say. There’s a bit of BT rebranding…

Extreme buys Brocade data centre switching assets direct

Extreme  has announced that they have closed a deal direct with Brocade , rather than wait for the Broadcom  acquisition. (Extreme Networks Completes Acquisition of Brocade’s Data Center Networking Business). This is different to the planned acquisition announced in March. Broadcom’s recent announcement that they have refiled with CIFUS has caused some consternation with other organisations…

Product Announcement: Cisco ISR 1000 router

Cisco have launched a new entry point ISR router. This is the Cisco ISR 1000 series, intended as the new entry point for SME connection into the corporate network. It supports lower density remote locations accessing through either an MPLS link or a VPN using the Internet. This isn’t designed to support NFV, but it…

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…

SDxCentral: Physical SD-WAN appliances aren’t going anywhere

SDxCentral has a piece on the current state of SD-WAN appliances. It distinguishes the three different forms SD-WAN can take (or at least for the purposes of their article). They divide the market-place into three segments. Thick, hybrid and thin appliances. Welcome to those directed here by SilverPeak‘s tweet. Please stay have a look around.…