Category Archives for "Network World SDN"

Solar power costs half what coal costs

New solar installs are contributing the same amount of electricity as building one new coal-fueled power station annually in Australia, according to the head of the Australian Energy Market Operator (AEMO).“We are essentially seeing the [equivalent] of a new power plant being built every season,” AEMO chief Audrey Zibelman told the Sydney Morning Herald.One reason rooftop adoption in Australia is exploding, the paper wrote, is because of government subsidies. However, there’s another financial driver of alternative power globally, which is the full-lifecycle cost of building and operating — it’s now lower.To read this article in full, please click here

Extreme Networks’ short-term growing pains are no cause for worry

“It was the best of times, it was the worst of time” is the opening to the famous Charles Dickens book, A Tale of Two Cities. It's also described Extreme’s financial performance over the past year.Earlier this year the company stock was trading a hair over $15 per share. Today, after it came up light on its fiscal third-quarter financial results, the stock plunged over 25 percent in after-hours trading and now stands at $8.40, a little over half of its 52-week high. This could change when the market opens, depending on investor sentiment.[ Check out our hands-on reviews: 5 top hardware-based Wi-Fi test tools and Mojo wireless intrusion prevention system. ] Extreme is now the largest enterprise network pure play In actuality, saying it’s the worst of times is a bit overly dramatic, as a few years ago, most industry experts thought Extreme Networks was dying a slow death. In 2015, Ed Meyercord took over as CEO and he and the company's chief marketing, development and product operations officer, Norman Rice, embarked on a plan to acquire underappreciated assets from companies where networking wasn’t the primary business. Rolling up these assets would help Extreme get its Continue reading

Arista applies cloud principles to campus networks

Arista Networks has arguably been the most disruptive data center network vendor in the past 10 years. The company built a product specifically designed for the rise of software-defined networking (SDN) and made “spline” a household word, assuming you live in a house full of network engineers. If you don’t eat, live, and breathe networking and you’re not familiar with a spline, it’s a single-tier network optimized for the era of cloud computing.The rise of east-west traffic gave birth to the concept of a two-tier leaf-spine network, but Arista further simplified that down into a single tier. By collapsing the leaf and spine into a single tier, Arista is able to scale its network out rapidly simply by adding more switches to the spline — making it theoretically infinitely scalable. Arista took this model and applied it to data center interconnect, routing, and other use cases related to data centers.To read this article in full, please click here

NetApp partners with Google for cloud-native file-storage service

NetApp is expanding its cloud data services range through a new partnership with Google that integrates NetApp’s flash-powered data services with Google’s cloud platform.Announced today, NetApp Cloud Volumes for Google Cloud Platform is a fully-managed storage service that's designed to make it easier for the companies' joint customers to run new and existing workloads in the cloud. The cloud-native file storage service links NetApp’s data services with Google Cloud’s application development, analytics and machine learning functions with a goal of speeding access to resources and simplifying management.[ Check out What is hybrid cloud computing and learn what you need to know about multi-cloud. | Get regularly scheduled insights by signing up for Network World newsletters. ] At the same time, NetApp rolled out a new high-end enterprise all-flash storage array and updated its ONTAP enterprise data management software. Software advances target increased data retention compliance, and new machine learning-driven analytics are aimed at reducing capacity costs. To read this article in full, please click here

VMware and VeloCloud announce their networking and security strategy

It’s been a few months since VMware closed its acquisition of VeloCloud, a prominent SD-WAN provider. In that time, the two companies have worked to integrate their products, and recently they announced a unified strategy called the Virtual Cloud Network.The strategy fully supports the migration of applications and data out of the enterprise data center to the cloud and to branches — and with IoT, pretty much anything can be considered a branch today, as VeloCloud claims to have a customer with ocean-going ships as branches. The result is that many enterprises are in a position where their applications are everywhere, and their data is everywhere. This has profound implications on the network that needs to support all of this.To read this article in full, please click here

Mobile data usage overtakes Wi-Fi, and CBRS threatens

Wi-Fi use has dropped in the United States. The reason: Consumers are shifting to cellular mobile networks that are providing new, unlimited data bundles. That’s according to mobile network performance analyst OpenSignal.The testing-firm, which publishes an annual Wi-Fi-versus-mobile crowdsourced study, says consumers are taking advantage of unlimited data plans being offered by the major mobile network operators (MNOs) in the U.S. No longer are folks worrying about generating large bills using mobile data for media or having to work around limited, included-data buckets.“Users are likely becoming more confident about consuming data over cellular networks,” writes Peter Boyland in a blog post on OpenSignal’s website.To read this article in full, please click here

Google’s going to make some IoT news at I/O 2018

Google I/O, the company's annual developer conference, grabs fewer headlines than it used to in ages past – the reveal of Google Glass was one for the record books, even the biggest Google detractor would have to admit. But Google's still planning to make some waves this year, particularly with what seems likely to be a full roll-out of Android Things 1.0, the variant Android OS designed for IoT.The idea behind Things is to provide a unified, one-size-fits-all software option for the developers of constrained devices like smart displays, kiosks and digital signage, among others. Device makers won’t be allowed to modify parts of Android Things’ code, specifically the parts that ensure Google can flash updates to all devices running the software at any time.To read this article in full, please click here

IDG Contributor Network: IT teams are drowning in data – throw them a lifeline

Today’s businesses thrive on Big Data insights — from sales reports and customer demographics, to business expenses and trend analysis. This explosion of data is multiplied by escalating social media, rich multimedia files and the Internet of Things (IoT). It’s no wonder that the growth of network data traffic continues to defy expectations, and IT support teams are struggling to keep up.But beyond simply being awash in the sheer volume of data traffic, a more complex challenge for enterprise IT is how to make the best use of network performance metadata to streamline workflows, enhance productivity and meet service level expectations, while optimizing the user experience. All too often, IT support teams are drowning in a sea of data, treading water without direction while the end user waits for resolution of their issue.To read this article in full, please click here

OSISoft: old-school process-control company on IoT cutting edge

While the eyes of the tech world are on the usual suspects like Google and IBM, as well as high-profile operational tech firms like GE and Siemens, an almost 40-year-old company called OSISoft has quietly leveraged its expertise in process monitoring and management into an impressive list of prominent clients. These include Aramco, the national oil and gas company of Saudi Arabia, which is arguably the single most valuable and profitable company in the world, Chevron, Pacific Gas and Electric, Heineken, Tyson Foods, and Lawrence Livermore National Labs, among many others.OSISoft has a lot more in common with the GEs of the world than with some of the IT-based powerhouses that are making a lot of noise about IoT these days. It’s a company with a long history of experience in real-time data collection, making the transition into an IoT-enabled world a smooth one.To read this article in full, please click here

VMware: Cloud-centric businesses need a cloud-centric network

It’s May, and that means all the April showers we had will soon bring spring flowers. April and May are also busy conference months, as many vendors host customer, partner, or analyst events. This week, it was Dell’s turn as the company held its first-ever Dell Technology World. Dell has obviously had other user events before, including Dell World and Dell-EMC World, but the naming of this one is indicative of how Dell is now one company and there’s better product and go-to-market integration between Dell, EMC and VMware.VMware introduces Virtual Cloud Network As expected, much of the news at the show revolved around Dell Technologies compute products. But the network got some love, as well, when VMware announced its Virtual Cloud Network, which is the coming together of many of its network assets, including NSX and VeloCloud. The Virtual Cloud Network can be thought as an agile network and security overlay that acts as a “fabric” for digital businesses that connect apps, data, and users to each other regardless of where they are located.To read this article in full, please click here

Customizing your text colors on the Linux command line

If you spend much time on the Linux command line (and you probably wouldn't be reading this if you didn't), you've undoubtedly noticed that the ls command displays your files in a number of different colors. You've probably also come to recognize some of the distinctions — directories appearing in one color, executable files in another, etc.How that all happens and what options are available for you to change the color assignments might not be so obvious.[ Also read: Unix tip: Coloring your world with LS_COLORS | Get regularly scheduled insights by signing up for Network World newsletters. ] One way to get a big dose of data showing how these colors are assigned is to run the dircolors command. It will show you something like this:To read this article in full, please click here

Cisco loses key software exec

Cisco lost a key warrior in its battle to become a monster software player this week as Rowan Trollope, senior vice president and head of the $5 billion Application Group, said he would be leaving the company effective May 3 to become CEO of cloud startup Five9.“During Trollope’s tenure, his team reinvented Cisco’s Collaboration business, pivoting to a SaaS model and making design, simplicity and exponential improvement the guiding principles of product development,” Five9 wrote in describing its new CEO’s pedigree.To read this article in full, please click here

IDG Contributor Network: Protecting data in a hybrid cloud environment

The past few months have been incredibly instructive on the critical importance of keeping one’s data safe, be it customer data or your own intellectual property.  Data protection itself covers a broad span: Physical data protection Protection from device failure Protection from data loss and breach Not only is data security important to the success and reputation of your company, it can be IT that goes “under the bus” when a security event occurs. This means that your career is literally on the line. As a result, your storage architecture better be up to the task of maintaining the integrity of your data store.To read this article in full, please click here

AI, analytics drive Dell EMC storage, server upgrades

Dell EMC this week unveiled storage, server and hyperconvergence upgrades aimed at enterprises that are grappling with new application types, ongoing digital transformation efforts, and the pressure to deliver higher performance and greater automation in the data center.On the storage front, Dell EMC rearchitected its flagship VMAX enterprise product line, which is now called PowerMax, to include NVMe support and a built-in machine learning engine. Its XtremIO all-flash array offers native replication for the first time and a lower entry-level price. To read this article in full, please click here

IDG Contributor Network: How to achieve and sustain peak performance in your data center

As Tom Brady once said, “if you don’t play to win, don’t play at all.” This mantra is reflected in Brady’s TB12 Method, a holistic lifecycle based on 12 principles that make up the optimal approach to exercise, training and living a life of vitality. It’s built on the premise of stopping an accident prior to it happening through pre-habitation and taking intelligent, strategic preventative measures. And while implementing all 12 principles is not required, their effect is cumulative: the more you can incorporate, the better your results will be.While this methodology applies to training superior athletes, data center managers have their own set of principles to ensure optimal data center performance. What we’ve dubbed the DCM10 Method, there are 10 fundamental steps every data center manager should use to evaluate their current data center and help transform its functionality. Similar to the TB12 Method, while not all of these steps are required to create a successful strategy, the more best practices applied will result in higher performance across the board.To read this article in full, please click here

5 reasons to buy refurbished Cisco equipment

It’s a pretty common scenario. You’re considering implementing Cisco hardware in your infrastructure, and you talk to a vendor who pushes a shiny, new, cutting-edge solution on you.It’s impressive, this bleeding-edge solution — it has all sorts of bells and whistles (whether your business plan can make smart use of them or not) and it comes with a nice, healthy price tag.So, you’re left with a really difficult question. Should you stretch your already thin budget with a solution that may actually be overkill for your needs? Or do you have options[ Read also: 80/20 rule of network equipment: Stay on budget and innovate. | Get daily insights: Sign up for Network World newsletters. ] 5 things to consider when buying network hardware Keep these five factors in mind as you consider how to proceed with your Cisco hardware solutions because that vendor who thinks you should buy new probably doesn’t want you to know them.To read this article in full, please click here

Cisco reinforces storage with new switches, mgmt. software

Cisco this week fortified its storage family with two new 32G Fibre Channel switches and software designed to help customers manage and troubleshoot their SANS.The new switches, the 48-Port MDS 9148T and 96-Port MDS 9396T feature a technology called Auto Zone that automatically detects any new  storage servers or devices that log into a SAN and automatically zones them without having to do manual configuration.[Check out REVIEW: VMware’s vSAN 6.6 and see IDC’s top 10 data center predictions . | Get regularly scheduled insights by signing up for Network World newsletters. ] The idea is to eliminate the cycles spent in provisioning new devices and avert errors that typically occur when manually configuring complex zones. Even when a host or storage hardware is upgraded or a faulty facility is replaced, the switch automatically detects the change and zones them into the SAN, Cisco said.To read this article in full, please click here

BrandPost: Analysys Mason Case Study of Windstream: Intelligent Multi-layer/Multi-domain Network Automation with SDN

Windstream made its SDN move by implementing Ciena’s Blue Planet to automate how it delivers wavelength services across its multi-vendor optical network -- setting the stage for the provider to virtualize network functions to enhance service activation and delivery times. Operational efficiency and customer experience are crucial to Windstream's success in the USA, but its heterogeneous network footprint can make network service provisioning and device configuration complex and costly. Building a programmable SDN-based network with Ciena's Blue Planet software is helping Windstream simplify operations, move to DevOps-centric processes, and create an extensible platform for new services.To read this article in full, please click here

Google’s Partner Interconnect connects SMBs to its data centers

If you are a large-scale enterprise, Google has a service called Dedicated Interconnect that offers 10Gbps connections between your data center and one of theirs. But what if you are a smaller firm and don’t need that kind of bandwidth and the expense that goes with it?Google now has you covered. The cloud giant recently announced Google Cloud Partner Interconnect, a means of establishing a direct connection between a SMB data center, with emphasis on the medium-sized business, and Google's hybrid cloud platform. The company did this in concert with 23 ISP partners around the globe.To read this article in full, please click here

Hyperconvergence breathes new life into desktop virtualization

Virtual desktop infrastructure (VDI) is one of those tantalizing technologies that looks great on paper, but hasn’t gained much traction over the years for a variety of financial, technical, cultural, even philosophical reasons.However, a relatively new framework called hyperconvergence, which combines compute, storage and networking in a single data center appliance, could breathe new life into VDI by reducing the cost and complexity associated with a VDI rollout.The argument in favor of VDI, also known as desktop virtualization or thin-client computing, makes perfect sense.To read this article in full, please click here