DATA CENTER Stories
Mellanox Challenges Imposter Open Source Vendors With SONiC
Published on: 2019-09-25
Mellanox Technologies today announced support for the SONiC networking operating system on its Ethernet switches. The chipmaker jointly developed the open source network OS based on Linux with Microsoft, Arista, Broadcom, and Dell, and the companies contributed it to the Open Compute Project in ...
Cisco spreads ACI to Microsoft Azure, multicloud and SD-WAN environments
Published on: 2019-09-18
Cisco is significantly spreading its Application Centric Infrastructure (ACI) technology to help customers grow and control hybrid, multicloud and SD-WAN environments. ACI is Cisco’s flagship software-defined networking (SDN) data-center package, but it also delivers the company’s Intent-Based ...
Entering a new era of openness and disaggregation
Published on: 2019-09-12
Networking has long relied on proprietary architecture, particularly on the transport layer. The thinking behind this is that while single-vendor solutions tend to be more expensive, they are also more reliable and easier to manage than a collection of interoperable boxes. But this attitude is ...
HPE's vision for the intelligent edge
Published on: 2019-09-06
It’s not just speeds and feeds anymore, it's intelligent software, integrated security and automation that will drive the networks of the future. That about sums up the networking areas that Keerti Melkote, HPE's president, Intelligent Edge, thinks are ripe for innovation in the next few years. ...
Q&A: HPE's networking chief opens up about intelligent edge, Cisco and micro data centers
Published on: 2019-09-05
Since founding Aruba Networks in 2002 and then staying on when Hewlett Packard bought the firm in 2015, Keerti Melkote has seen firsthand the evolution of the wireless industry. From the initial rush to bring laptops using Wi-Fi to the enterprise and the advent of Apple iPad – which Melkote says ...
Cisco Reports Fourth Quarter and Fiscal Year 2019 Earnings
Published on: 2019-08-14
SAN JOSE, Calif., Aug. 14, 2019 -- Cisco today reported fourth quarter and fiscal year results for the period ended July 27, 2019. Cisco reported fourth quarter revenue of $13.4 billion, net income on a generally accepted accounting principles (GAAP) basis of $2.2 billion or $0.51 per share, and ...
Cisco assesses the top enterprise SD-WAN technology drivers
Published on: 2019-08-01
Cisco this week celebrated the second anniversary of its purchase of SD-WAN vendor Viptela and reiterated its expectation that 2019 will see the technology change enterprise networks in major ways. In a blog outlining trends in the SD-WAN world, Anand Oswal, Cisco senior vice president, ...
What is Huawei Atlas AI Computing Platforms?
Published on: 2019-09-24
At the Huawei Connect Live 2019, Huawei announced the launch of its overall computing strategy for the first time. This means that computing strategy will become one of Huawei‘s core strategies in the future when the computing industry is turning to the turning point and computing architecture ...
Network Break 253: Arista CloudVision Ingests Configs From Third-Party Gear; Cisco Adds Azure To Cloud ACI
Published on: 2019-09-23
Take a Network Break! Arista Networks upgrades its CloudVision management software to accept configuration information from third-party devices, Cisco adds Azure support for its Cloud ACI and APIC controller, and Marvell completes its acquisition of transceiver manufacturer Aquantia. Datadog ...
What is Carrier Hotel?
Published on: 2019-09-05
Carrier Hotel is a Company that owns large buildings and rents out redundant power and floor space. And of course, attracts many Telco’s and Carrier networks to the building. Carrier Hotel often leases off large chunks of space to Service Providers or Enterprises. These companies operate the ...
BGP route leak sends European traffic via China
Published on: 2019-06-26
On Thursday June 6, 2019, traffic destined to some of Europe’s biggest mobile providers was misdirected in a roundabout path through the Chinese-government-controlled China Telecom, in some cases for more than two hours. “Swiss data center colocation company AS21217 leaked over 70,000 routes to ...
CCDE Thoughts After Cisco Live 2019
Published on: 2019-06-18
My CCDE Thoughts After Cisco Live 2019The CCDE exam was conspicuously absent from the grand re-imagining of the CCNA/CCNP/CCIE certification programs. Here's a brief summary of the announcements (everything takes effect on February 24, 2020):CCIE Routing & Switching is being renamed to CCIE ...
For ESXi: Realtek NICs Are Awful And Don’t Use Them
Published on: 2019-05-25
OK, this isn’t a really a controversial opinion. This is more as a guide for those who run into these problems when trying to setup their first whitebox/homelab systems for ESXi. So it goes something like this: You’ve got an old desktop, gaming rig, or workstation. You decide you’ll retire it to ...
Cisco Live – Network Building Blocks for IoT
Published on: 2019-03-07
Cisco Live happened in Barcelona end of January, and as usual I am a little late with my blog posts about it. Like the last two years I was invited to join the group of technology experts for Tech Field Day Extra, with various presentations covering a number of new and improved Cisco ...
SnapRoute - Is there something new happening in networking?
Published on: 2019-03-04
The launch (or relaunch depending on your opinion of when they started and on what they were building verse what they are doing now) of SnapRoute was an interesting event to be able to participate in. SnapRoute presented at Network Field Day 20 as part of the launch of their Cloud Native Network ...
What Drives Change in Enterprise IT
Published on: 2017-08-30
Reason For Change in Enterprise IT: Obsolescence You may love your Catalyst 6500 with SUP32 supervisors. They still meet all the requirements of your network: gigabit to the user, routing protocols, security capabilities. Unfortunately, Cisco has made it clear that they no longer want to support ...
L3 fabric DC -The underlay Network (BGP) -part2
Published on: 2017-01-17
In the previous post, we laid the foundation of L3 fabric DC In this post we will discuss the underlay network which mainly provide IP reachability plus ECMP capability, here BGP would play a role in your DC next to the 3 other that we discussed one of the previous posts. For the sake of ...
Overlay Tunneling with Open vSwitch - GRETAP, VXLAN, Geneve, GREoIPsec
Published on: 2016-07-07
Building overlay networks using tunnels was always done to achieve connectivity between isolated networks that needed to share the same policies, VLANs or security domains. In particular, they represent a strong use-case in the data center, where tunnels are created between the hypervisors in ...
Configuring Macvlan and Ipvlan Linux Networking
Published on: 2016-03-28
Macvlan and Ipvlan are both Linux type networking interfaces that are both supported by the Linux kernel. They are unique for a few different reasons. One thing that makes them both very attractive is they do not use bridges in their implementation and natively namespace aware. It solves some ...