Expert Analysis
Content tagged with Networking posted in November 2012
VMware Launches Software-Defined Data Center
News  |  11/30/2012  | 
VCloud Suite 5.1 combines three key VMware products to create an early version of a software-defined data center.
A Ruckus Over WLAN Testing
Commentary  |  11/30/2012  | 
A competitive review of WLAN products at Syracuse University stirred up controversy because of a vendor’s involvement in the tests. But the real question is, are they testing the right things?
Alcatel-Lucent’s SDN Strategy Downplays OpenFlow
News  |  11/30/2012  | 
Alcatel-Lucent has announced its SDN roadmap for the coming year. The company plans to offer a RESTful interface in two of its OmniSwitch product lines before it adds support for OpenFlow.
Check Point Rolls Out Managed Security Services
News  |  11/29/2012  | 
Check Point's ThreatCloud offerings include managed security and event analysis for its IPS gateways and incident response to help customers cope with an attack.
Facebook 'Privacy Notice' Has No Legs
Commentary  |  11/29/2012  | 
But Facebook should be looking at why the notice went viral.
Data Centers: Get 'Em Hotter and Wetter
News  |  11/28/2012  | 
Data centers can run hotter and with more humidity than traditionally thought, according to a recent report from The Green Grid. This will reduce energy consumption and cut operating costs, but long-held myths might stand in the way.
OpenStack: An Overview
News  |  11/27/2012  | 
OpenStack is a continually evolving initiative to enable the deployment of cloud computing services using open source software. We’ll examine the most recent release of the platform, called Folsom, which adds two new modules for networking and block storage.
Why We Need Network Abstraction
News  |  11/26/2012  | 
Highly virtualized data centers are exposing cracks in traditional network constructs such as VLANs. New approaches that abstract the physical network, including network overlays, are key to providing flexibility and scale.
802.11ac: 5 Steps to Prepare for Next-Gen WLANs
Commentary  |  11/26/2012  | 
The 802.11ac wireless standard will be ratified in 2013, and pre-standard consumer hardware is on the market. Follow these five steps to prepare now for the day when 802.11ac comes knocking.
Housework Outranks Facebook On Happiness Meter
Commentary  |  11/21/2012  | 
Only activity people like less than using Facebook is recovering from illness, study says. There's a lesson here for businesses.
Twitter Offers Small Businesses $1M In Ad Credits
Commentary  |  11/21/2012  | 
Twitter offer comes in conjunction with Small Business Saturday, the anti-Black Friday.
Holiday Gift Guide
Slideshows  |  11/21/2012  | 
It's the time of the season to make a list and check it twice. We've assembled a holiday wish list for work and play, including tools to improve your mobile life, gaming gadgets, and tablet alternatives for those who already have, or don't want, an Apple in their stockings.
Few Enterprises Move At The Speed Of Social
Commentary  |  11/21/2012  | 
Part of the challenge of social business is matching speeds between enterprises and organizations like Facebook with a "move fast and break things" philosophy, says Hearsay Social CTO Steve Garrity.
12 Reasons To Be Thankful For Social Business
News  |  11/21/2012  | 
Why should we be grateful for social business? Let us count a dozen ways.
Intel On The Wrong Side Of Moore's Law
Commentary  |  11/20/2012  | 
ARM's stellar performance provides a hint at what Intel must do in the next decade to stay ahead in the chip business.
Cisco Broadens Management Capabilities with Cloupia Acquisition
News  |  11/20/2012  | 
Cisco’s Cloupia purchase extends the company’s ability to manage third-party data center and cloud systems.
5 Biggest Social Turkeys Of 2012
News  |  11/20/2012  | 
What not to be thankful for, from thoughtless users to Facebook's IPO.
Dear Cisco, Please Don't Screw Up Meraki
Commentary  |  11/19/2012  | 
Cisco’s $1.2 billion acquisition of competing WLAN vendor Meraki has me worried that Meraki’s top-notch tech support and customer responsiveness will get lost inside Cisco’s big-network culture.
Palo Alto Networks Virtualizes Firewall, Adds New Hardware
News  |  11/19/2012  | 
Palo Alto's new VM-Series is a virtualized firewall for VMware environments. The company also launched two new hardware appliances, and upgraded its cloud-based WildFire anti-malware service.
Wireless for Beginners Part 3: Getting the Signal
News  |  11/16/2012  | 
WLAN radio signals can be affected by a variety of factors, including encoding algorithms, physical obstacles and interference. This post outlines common problems that can affect signal performance.
SDN Is Business, OpenFlow Is Technology
Commentary  |  11/15/2012  | 
Software-defined networking (SDN) and OpenFlow aren’t the same thing. We’ll clarify the technical differences and discuss a more important distinction: SDN emphasizes applications that drive network usability and business requirements, while OpenFlow is a technology to link an SDN controller and network devices.
Extreme Networks' 40 GbE, 100 GbE Switch Modules Target Data Centers
News  |  11/15/2012  | 
Extreme also opens up its OS to support OpenFlow 1.0 and OpenStack to enable more flexible network architectures.
Facebook Jobs App Takes On LinkedIn
News  |  11/15/2012  | 
Facebook's new app is designed to connect job candidates with hiring employers. Should LinkedIn be worried?
Packets Are the Past, Flows Are the Future
Commentary  |  11/14/2012  | 
Networking has focused for years on speeds and feeds: how many packets you can handle and how many ports per device. But hosts and applications work with flows, which will force the network to adapt. Here’s why.
Xirrus Adds Application Control To WLAN Arrays
Commentary  |  11/14/2012  | 
Xirrus will add deep packet inspection to its wireless arrays to let administrators prioritize, block or limit bandwidth based on specific applications. Xirrus’ claim to be the first WLAN vendor to do so don’t ring true, but it’s still a good idea.
Pervasive Wireless Means Persistent Frustrations
Commentary  |  11/13/2012  | 
Despite impressive advances in WLAN technology, a small number of wireless devices drag down performance rates and irritate network engineers.
Facebook Couples Profiles: Breaking Up Hard To Do
Commentary  |  11/13/2012  | 
Facebook's new Couples profile puts the story of your relationship out there. You can curate it -- but users are already groaning at this un-requested "feature."
Android Gains Steam In Key Verticals
News  |  11/13/2012  | 
Android-based mobile devices lead over Apple’s iOS in healthcare, telco and transportation sectors, according to new survey.
Big Switch's OpenFlow Controller Guns for SDN Leadership
News  |  11/13/2012  | 
Big Switch Networks, an ambitious start up in software-defined networking (SDN), has launched a new controller and a pair of networking applications that have the potential to drive OpenFlow-based networks into the mainstream.
3 Virtual LAN Tips For SMBs
News  |  11/12/2012  | 
Virtual LANs aren't just for large organizations with multiple departments. Consider these three scenarios for how they might benefit smaller office environments.
9 Ways Skype Professional Network Helps SMBs
Slideshows  |  11/12/2012  | 
There's a new professional network on the block: Skype in the Workspace. Here are 9 reasons it's worth a look for small businesses and other users.
HP EVI vs. Cisco OTV: A Technical Look
News  |  11/9/2012  | 
HP's Ethernet Virtual Interconnect (EVI) connects data centers at Layer 2 to support virtual machine mobility between data centers. We'll see how it stacks up to VPLS and Cisco's OTV.
Pinterest Tests Secret Boards
News  |  11/9/2012  | 
New private boards have gifting applications, but businesses should take note, too. Here's what you need to know.
Business Is Losing The App Usability Battle
News  |  11/8/2012  | 
Traditional business applications don’t fare well compared to consumer options. Is it time for companies to focus more on the user experience and less on application performance?
Skype In The Workspace: 3 Key Facts
News  |  11/7/2012  | 
Microsoft's popular Skype videoconferencing service officially goes social with a professional network for SMBs. Here's what you need to know.
HP Upgrades Mobile Thin Clients
News  |  11/7/2012  | 
HP adds bigger displays and more processing power to its notebook-like mt40 mobile thin client, as well as the ability to image wirelessly.
Storage Hypervisors Vs. Software Defined Storage
Commentary  |  11/7/2012  | 
New technologies are emerging to streamline storage environments. Whether you call those technologies storage virtualization, storage hypervisors or software defined storage, IT still has to be persuaded to embrace them.
What WAN Optimization Can Teach SDN About Tunneling
Commentary  |  11/6/2012  | 
Network tunnels used to have a bad reputation, but the rise of software-defined networking (SDN) and network virtualization is changing that. WAN optimization, which uses tunnels, may offer insights that IT can apply to SDN.
Instagram Web Profiles: 5 Key Facts
News  |  11/6/2012  | 
Instagram is staking out its own Facebook-like spot on the Web. Here's what you should know--and one big reason why you should care.
Brocade Gets Virtual Networking with Vyatta Acquisition
Commentary  |  11/5/2012  | 
Brocade is buying Vyatta, which makes a software router. The move puts Brocade squarely into the virtual networking space, with implications for its SDN strategy, security and more.
LinkedIn: How To Take Advantage of Recent Changes
Commentary  |  11/5/2012  | 
LinkedIn understands the value of a business conversation. Consider these tips to make sure you're part of it.
Enterasys Launches New Devices for High-Density Wi-Fi
News  |  11/5/2012  | 
Enterasys today announced new access points and controllers designed to support large numbers of WLAN clients in hyper-dense environments.
Wireless for Beginners Part 2: Avoiding Collisions
News  |  11/2/2012  | 
Wireless networks must avoid collisions to ensure packets reach their destination. This post reviews CSMA/CA and RTS/CTS techniques that let wireless devices share common airspace without disrupting traffic.
5 Ways To Improve Your New LinkedIn Profile
News  |  11/2/2012  | 
Here's how to take advantage of LinkedIn's new look and feel.
How To Speak Data Center: kWh to BTUs
Commentary  |  11/1/2012  | 
IT professionals who want proper power and cooling for their gear need to be comfortable with terms and calculations used by data center facilities pros. Lesson two: how to convert units of power into units of energy.

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