Expert Analysis
Latest Content tagged with Networking
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NSA Allegedly Installs Backdoors On US Network Devices
News  |  5/13/2014  | 
The US intelligence agency intercepts routers and other networking equipment being shipped overseas and adds spyware, according to a new Guardian report.
Ethernet Innovation Inside The Datacenter
Commentary  |  5/12/2014  | 
With big data analytics, social media, and other new applications pushing east-west bandwidth demand, datacenters are deploying faster Ethernet and unlocking new capabilities.
Beyond VPN: Supporting The Mobile Workforce
Commentary  |  5/12/2014  | 
Today's employees demand support for mobile devices and cloud applications that the traditional hardware-based network cannot supply.
Path Selection In MPLS Traffic Engineering
Education  |  5/9/2014  | 
One of the main uses of MPLS traffic engineering is for bandwidth optimization. Find out how to direct traffic between routers with label-switched paths.
MPLS Traffic Engineering: Tunnel Setup
Education  |  5/8/2014  | 
Traffic engineering can greatly improve performance in MPLS networks. Find out how specific traffic paths are defined and calculated using routing attributes and protocols.
Speeding Up Storage Networks
Commentary  |  5/8/2014  | 
With SSDs pushing the limits of networks, it's time to consider how compression and deduplication could help speed storage traffic.
Social WiFi Sign-In: Benefits With A Dark Side
Commentary  |  5/7/2014  | 
Providing social networking credentials to get free WiFi access gives merchants a wealth of customer data for marketing and is a boon for managed service providers. But is the price too high for customers?
The Network Is The Computer, Again
Commentary  |  5/6/2014  | 
Today, the old Sun Microsystems tagline rings truer than ever. In our cloud-centric world, perhaps computers don't exist at all anymore.
IT Is A Quantum World
Commentary  |  5/5/2014  | 
System administrators need to take a quantum mechanical view when weighing the probability of new failure modes that come with new technologies such as deduplication.
NHR End Of Life Alert, May 2014
Commentary  |  5/5/2014  | 
Find out which routing and switching products from major hardware manufacturers will no longer be sold or serviced.
Cloud-Managed WLAN Is Hot, But Not For Everyone
Commentary  |  5/2/2014  | 
The market for cloud WiFi has grown exponentially, providing a range of options suitable for small organizations, but not so much for large enterprises.
Buy Or Build Your Own SDN?
Commentary  |  5/1/2014  | 
An ESG survey shows a broad range of approaches among enterprises when it comes to deploying software-defined networking.
WANs For The Cloud Must Pick Up The Pace
Commentary  |  4/30/2014  | 
Next-generation WANs leverage improvements in broadband networking and integrated premises-based technologies to address cloud computing demands.
Turkey’s Twitter Shoot: Lessons Learned
Commentary  |  4/30/2014  | 
Network engineers can gain insight into resilience, indirection techniques like NAT, and Internet governance from Turkey officials' none-too-successful attempt to shut down the popular messaging service.
Ethernet Switch Market: Who's Winning?
News  |  4/29/2014  | 
An Infonetics survey on companies' spending plans and vendor perceptions shows Cisco and HP leading the pack, with Huawei making some inroads into the US Ethernet switch market.
50 Shades Of Open SDN
Commentary  |  4/28/2014  | 
The word open is used frequently in the software-defined networking market, but a closer look at three SDN initiatives shows that the meaning of open depends on your point of view.
Tech Talk Week 1: Service Provider Network Visibility
Commentary  |  4/28/2014  | 
Welcome to the first in a series of weekly community discussions, as we explore the lack of visibility enterprise customers often have into the service provider network.
WAN Adaptations Needed For Cloud
Commentary  |  4/25/2014  | 
The cloud is putting more demands than ever on the WAN, and the WAN must respond with increased speed, throughput, and flexibility.
Need For Speed Drives WAN Optimization
Commentary  |  4/25/2014  | 
Our annual WAN survey finds usage of WAN optimization and traffic shaping up 4% over last year, despite some predictions in the industry to the contrary.
Edge Devices Are The Brains Of The Network
Commentary  |  4/23/2014  | 
In any type of network, the edge is where all the action takes place. Think of the edge as the brains of the network, while the core is just the dumb muscle.
The Ideal Physical Network
The Ideal Physical Network
Network Computing Videos  |  4/23/2014  | 
Martin Casado describes how he envisions the most functional physical network, using the model of a chassis switch and backplane.
Big Switch, Avaya, IBM, VMware: SDN Strategies
News  |  4/22/2014  | 
Part 4 in our series comparing vendors' SDN approaches.
SDN: Waiting For The Trickle-Down Effect
Commentary  |  4/22/2014  | 
Like server virtualization and 10 Gigabit Ethernet, SDN will eventually become a technology that small and midsized enterprises can use. But it's going to require some new packaging.
IT Certification Exam Success In 4 Steps
Commentary  |  4/22/2014  | 
There are no shortcuts to obtaining passing scores, but focusing on key fundamentals of proper study and preparation will help you master the art of certification.
Top IT Certifications To Jump-Start Your Job
Slideshows  |  4/22/2014  | 
Working in IT infrastructure means a whole lot more than hardware these days. Boost your career with these hot certifications on virtualization, cloud, security, and more.
Building an Information Security Policy Part 4: Addresses and Identifiers
Commentary  |  4/21/2014  | 
Proper traffic identification through techniques such as IP addressing and VLANs are the foundation of a secure network.
Heartbleed Flaw Exploited In VPN Attack
News  |  4/21/2014  | 
Security researchers report attack on an enterprise that used the OpenSSL vulnerability to steal VPN session tokens and evade two-factor authentication.
SDN Strategies Part 4: Big Switch, Avaya, IBM,VMware
Commentary  |  4/18/2014  | 
This series on SDN products concludes with a look at Big Switch's updated SDN strategy, VMware NSX, IBM's hybrid approach, and Avaya's focus on virtual network services.
Juniper, Dell, Brocade, Alcatel-Lucent: SDN Strategies
News  |  4/18/2014  | 
Part 3 in our series comparing vendors' SDN approaches.
SDN Strategies Part 3: Juniper, Dell, Brocade, Alcatel-Lucent
Commentary  |  4/17/2014  | 
In the third part of this series examining vendors' SDN products, I discuss Juniper's network overlay approach and three other vendor strategies for tackling software-defined networking.
Heartbleed's Network Effect
News  |  4/16/2014  | 
The crypto bug likely will have a long-lasting impact on internal servers, clients, and VPN networks.
Converged Infrastructure: 3 Considerations
Commentary  |  4/16/2014  | 
If you're looking at a converged platform as a way to increase data center efficiency, here are three factors to keep in mind.
SDN Vendors Vie For Market, Mindshare
News  |  4/16/2014  | 
It's a land grab in the software-defined networking market, with heavyweights and startups rolling out an array of technologies for automating the network.
SDN Strategies Part 2: Cisco, Arista, HP
Commentary  |  4/15/2014  | 
In the second part of this series examining vendors' SDN products, I look at Cisco ACI, Arista's programmable approach, and HP's commitment to OpenFlow.
SDN Strategies Part 1: Vendors Vie For Market, Mindshare
Commentary  |  4/14/2014  | 
It's a land grab in the software-defined networking market, with heavyweights and startups rolling out an array of technologies for automating the network.
NHR End Of Life Alert, April 2014
Commentary  |  4/13/2014  | 
Don't let network hardware maintenance issues take you by surprise. Find out which Cisco routing and switching products are retiring this month.
Networking, Security, And Grand Unified Theory
Commentary  |  4/11/2014  | 
With a system that can address both networking and security in NSX, Martin Casado of VMware is borrowing an idea from the world of physics.
Heartbleed: Making The Case For SDN
Commentary  |  4/10/2014  | 
Software-defined networking technology could help protect against vulnerabilities like Heartbleed. It's time to develop a more mature SDN option.
SDN And Wi-Fi: Will They Ever Be Friends?
Commentary  |  4/9/2014  | 
Can the WLAN industry and its highly proprietary systems play nice with a technology that's poised to be a poster child for interoperability?
Internet Of Things Goes Home
Commentary  |  4/9/2014  | 
The "connected home" is becoming a reality thanks to improved broadband networks and mobile apps. Here's a rundown of how our homes are getting smarter.
Commodity Switches Test Cisco's Mettle
Commentary  |  4/8/2014  | 
Long the networking giant, Cisco now faces threats from all sides in the form of open-source options produced by vendors including Arista, Cumulus, and Pica8.
VMware's Casado: Network Virtualization The Right Way
News  |  4/8/2014  | 
The true benefits from network virtualization come from simplifying the network and applying it to broader use cases, rather than bickering about vendors' SDN products, according to the CTO.
Will SDN Leave Network Engineers Jobless?
News  |  4/7/2014  | 
Software-defined networking will shake up the network engineer career path, so plan now to broaden your skills, an Interop panel of experts advised.
VMware's Casado: Network Virtualization The Right Way
News  |  4/7/2014  | 
The true benefits from network virtualization will come from simplifying the network and applying it to broader use cases, rather than bickering about the finer points of vendors' SDN products, according to VMware's Martin Casado.
Microsoft Woos Developers At Build
News  |  4/4/2014  | 
Does a barrage of Azure announcements indicate that Microsoft may finally be shifting away from a "Windows-first" mindset?
VMware Touts Virtualization For Datacenter Security
News  |  4/4/2014  | 
Hypervisor-based security would be like Goldilocks -- "not too hot, not too cold" -- when it comes to halting malware and intruders well inside the enterprise perimeter, say VMware leaders at Interop.
Interop SDN Panel: Become The IT Generalist
News  |  4/4/2014  | 
Software-defined networking will require network engineers to broaden their skills and knowledge, an Interop panel of experts said.
SDN: Programming Skills Needed - Or Not?
News  |  4/2/2014  | 
Interop panel debates need for network engineers to have programming skills in order to work in a future of software-defined networks.
Best of Interop 2014 Product Award Winners
Slideshows  |  4/2/2014  | 
The Best of Interop Awards recognize innovative hardware and software that represent technological advancement in a specific category. The Interop judging team poured through 129 submissions in nine categories, including networking, mobility, and security. This year we chose to mix this up a little by creating a separate storage category and adding a whole new SDN category. Awards were also presented for Grand Award winner, Best Startup, and Audience Choice. See who took home the prize this year
Amazon Fire TV Bids For Your Living Room
News  |  4/2/2014  | 
Amazon's new Fire TV device and software aims to provide gaming and streaming content to your living room television.
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