• July 15, 2007 15 Jul'07

    Municipal Wi-Fi projects provide wireless broadband

    Municipal Wi-Fi projects in Chicago, Seattle and San Francisco have helped residents gain broadband access.

  • July 14, 2007 14 Jul'07

    Boeing beefs up its extranet with MPLS

    The jet manufacturer says it's moving away from frame relay and ATM to MPLS to increase service to extranet partners, cut costs and increase internal productivity.

  • July 11, 2007 11 Jul'07

    VoIP-enabled DSL gateway growth fueled by IPTV

    VoIP-enabled DSL gateway growth is being fueled by IPTV, but deployments are predominantly in Europe.

  • July 10, 2007 10 Jul'07

    Cisco networking certification targets entry level

    Cisco networking certifications are targeting a new entry-level set with the CCENT certification. Cisco is also adding new elements to its CCNA offering.

  • July 10, 2007 10 Jul'07

    Fixed mobile convergence spurs security concerns

    Fixed mobile convergence provides huge opportunities for carriers and mobile operators, but brings up security issues that must be addressed.

  • July 10, 2007 10 Jul'07

    Fiber optic network security a necessity

    Fiber optic networks require security measures to ward off fiber taps and intrusions.

  • June 30, 2007 30 Jun'07

    T1 or wireless? T1 is far more reliable

    Some say fixed wireless is as secure and reliable as high-speed wired service, but one company explains why, for now, it relies on T1 links and uses wireless only in emergencies.

  • June 28, 2007 28 Jun'07

    Networking trends in 2007

    Networking trends in 2007 comprise wireless, mobility, security and more, all coming together to prove that the network is becoming more disruptive than it seems.

  • June 20, 2007 20 Jun'07

    SonicWall acquisition could hurt Aventail users

    SonicWall acquired Aventail last week, vaulting itself into a larger SSL VPN market, but some warn that Aventail users could take a hit.

  • June 14, 2007 14 Jun'07

    NAC tool locks down campus network

    Network access control (NAC) has helped a college campus secure sensitive information without the hassle of deploying agents.

  • June 13, 2007 13 Jun'07

    NetFlow network monitoring tools go with the 'flow'

    Network monitoring tool makers are again hyping the use of NetFlow data, promising better network and applications visibility.

  • June 07, 2007 07 Jun'07

    Network disaster recovery tips for business continuity

    Network disaster recovery planning tips for business continuity from Verizon Business highlight what needs to be done to weather the storm.

  • June 06, 2007 06 Jun'07

    Network access controlled via biometrics

    Fingerprint readers, a form of biometrics, have been used to protect data and endpoints, but now IT is using the security technology to control network access.

  • May 30, 2007 30 May'07

    Security, wireless, VoIP, WAN optimization top Interop want lists

    Security, wireless, VoIP and WAN optimization were key areas of interest for many attendees of Interop Las Vegas 2007, as two separate surveys found.

  • May 24, 2007 24 May'07

    Network access control truths a bit blurry at Interop

    Network access control (NAC) remained a strong focus of Interop, but the hot NAC topic this year was standardization, or the lack thereof.

  • May 23, 2007 23 May'07

    Branch office upgrade, WAN optimization hot topics at Interop

    Branch office upgrades and WAN optimization were a key focus at this week's Interop Las Vegas 2007.

  • May 21, 2007 21 May'07

    Microsoft, TCG partner on network access control; Cisco takes own route

    Microsoft and Trusted Computing Group today released a new network access control (NAC) specification for interoperability between their NAC and TNC solutions.

  • May 17, 2007 17 May'07

    NAC, collaboration to be highlights at Interop Las Vegas

    Folks in the networking industry are gearing up for the Interop conference, which floors in Las Vegas next week. We offer a behind-the-scenes look at the hot topics and trends attendees can expect to see (minus the showgirls).

  • May 16, 2007 16 May'07

    Retrospective network analysis goes portable

    Retrospective network analysis goes portable with GigaStor Portable from Network Instruments.

  • May 10, 2007 10 May'07

    Networking certifications, career empower divorced mom

    Networking certifications helped a divorced mother of four with little knowledge of IT launch a networking career.

  • May 03, 2007 03 May'07

    WLAN security is life or death for hospital

    Wireless LAN (WLAN) security is critical for keeping confidential data protected at Tuality Healthcare.

  • May 01, 2007 01 May'07

    Cisco, Juniper turn eyes toward application management and visibility

    Cisco and Juniper this week rolled out products geared to better application traffic visibility.

  • April 26, 2007 26 Apr'07

    WEP: Wireless security's broken skeleton in the closet

    WEP for wireless security was cracked again recently. Though many will say WEP is obsolete, many companies still use it.

  • April 25, 2007 25 Apr'07

    WAN traffic, applications fastballed for baseball maker

    WAN traffic was sluggish for Rawlings, to the point where it was on the verge of losing a major customer. The sporting goods maker hunted down solutions to ensure that traffic gets the treatment it deserves.

  • April 18, 2007 18 Apr'07

    Network monitoring gets video game touch

    Network monitoring vendor NetQoS has created a tool that monitors the network using video game-like graphics and sounds to highlight problems on the network.

  • April 11, 2007 11 Apr'07

    Remote access fueled by security, mobility

    Remote access decisions are fueled by the need for network security and increased mobility.

  • April 04, 2007 04 Apr'07

    Windows Vista: Cause to rethink WAN optimization

    Microsoft Windows Vista and Longhorn Server include significantly improved WAN optimization and performance-enhancing technologies, which could make buying a WAN optimization appliance unnecessary and introduce interoperability challenges.

  • March 29, 2007 29 Mar'07

    Network security, content security markets to grow in 2007

    The network security appliance and software markets are expected to continue growing steadily in 2007, while content security sales will begin to affect most enterprises' networking budgets.

  • March 22, 2007 22 Mar'07

    802.11n will require upgrades

    802.11n, the new Wi-Fi standard on the cusp of being ratified by the IEEE, offers greater throughput and better range than other standards but may require companies to upgrade their wireless network infrastructure.

  • March 21, 2007 21 Mar'07

    Wireless LAN market strengthened by enterprise-level sales

    The wireless LAN market is being driven by a recent increase in equipment sales as more enterprises deploy full-scale wireless LANs.

  • March 15, 2007 15 Mar'07

    Networking trends for 2007: Predictions from networking professionals

    In the network, the basic plumbing -- your routers, switches and cabling -- may stay more or less the same, at least for a few years. But the way you think about and manage that plumbing changes frequently. canvassed its readers...

  • March 14, 2007 14 Mar'07

    Network downtime from security attacks proves costly

    Network downtime resulting from security attacks is costing companies a bundle, but steps can be taken to prevent the added expense.

  • March 13, 2007 13 Mar'07

    Wireless FAQs

    The Ask the Expert team receives dozens of wireless questions every week, and sometimes it may take longer than you'd like to get a reply. Save yourself some time and review this list to see if your question has already been ...

  • February 28, 2007 28 Feb'07

    SSL VPN secures distributed construction company

    SSL VPN for remote access was necessary for Barton Malow, a massive construction company.

  • February 22, 2007 22 Feb'07

    Network hardware sales up

    WAN optimization, router and switch sales all saw growth in 2006, according to recent studies by Infonetics Research.

  • February 21, 2007 21 Feb'07

    WAN optimization helps law firm manage bandwidth

    WAN optimization tools helped a national law firm leverage its bandwidth and end the competition between user and backup traffic.

  • February 15, 2007 15 Feb'07

    Network hacking for dummies: Not just for dummies anymore

    Network security is achievable if network pros gain control and test their systems, says author Kevin Beaver in his new book Hacking For Dummies, 2nd Edition.

  • February 15, 2007 15 Feb'07

    'Hacking for Dummies' giveaway contest

    Let us know what security tools you use to secure and test your network and you'll be entered into a drawing to win "Hacking for Dummies" by Kevin Beaver.

  • February 14, 2007 14 Feb'07

    Networking certifications help engineer excel

    Pursuing a networking career takes a special breed. Here, we profile a senior engineer who left his previous job behind to begin a networking career with the help of Cisco certifications.

  • February 08, 2007 08 Feb'07

    Open source network monitoring and management tools

    Open source network monitoring is catching on, and in some ways it rivals the likes of IBM Tivoli and HP OpenView, among other major players.

  • February 07, 2007 07 Feb'07

    NAC RFPs: Questions to ask

    Network access control (NAC) is still confusing technology. Here are a few questions to ask in your NAC RFP to ensure you get what you want out of a solution.

  • February 01, 2007 01 Feb'07

    Cisco Catalyst switch evolves, aims at real-time services

    Cisco Systems this week rolled out two new series of Catalyst switches designed to help users boost performance of real-time services and applications.

  • February 01, 2007 01 Feb'07

    Unified communications to fuel PBX demand

    Unified communications will help push the PBX market to $7.5 billion over the next four years, according to recent research by the Dell'Oro Group.

  • January 30, 2007 30 Jan'07

    3Com, HP ProCurve target network shift

    3Com and HP ProCurve this week outlined their new visions of the network, mostly based on adding in services and easing complexity. Networking pros will have to adapt.

  • January 25, 2007 25 Jan'07

    Remote access and remote support free up network pros

    Remote access and remote support have freed up the networking staff at a sprawling medical campus.

  • January 18, 2007 18 Jan'07

    Remote access keeps physicians connected

    Remote access was a real challenge for IPC, but after evaluating various SSL VPN vendors, the company was able to offer 'anytime, anywhere' access with the ease of single sign-on.

  • January 11, 2007 11 Jan'07

    WAN optimization staves off bandwidth upgrade

    WAN optimization has given Columbia Forest Products enough of a boost to avoid a bandwidth upgrade for six years.

  • January 10, 2007 10 Jan'07

    Network security -- Taking the layered approach

    Network security is tricky business. In his new book Hack the Stack, author and security expert Michael Gregg outlines how to secure the network using the OSI model.

  • January 03, 2007 03 Jan'07

    Scan your network for devices

    There are dozens of different devices that can link to the network. SecureWave recently released a free tool that allows network administrators to determine which devices have been hooked up and when.

  • December 21, 2006 21 Dec'06

    Network waste to reach $100 billion

    Network overspending will cost enterprises more than $100 billion over the next five years, according to recent predictions by Gartner Inc.

  • December 20, 2006 20 Dec'06

    NAC implementation slows as networking budgets grow

    Network Access Control (NAC) implementations will decrease, despite growth in networking budgets, according to TheInfoPro's Wave 2 Networking study.

  • December 14, 2006 14 Dec'06

    WLAN interference and clogged pipes -- happy holidays!

    WLAN interference caused by decorations and slowed traffic due to online shopping are just some of the network woes of the holidays.

  • December 12, 2006 12 Dec'06

    SSL VPN keeps news breaking on multiple platforms

    Remote access became a necessity for the Atlanta Journal-Constitution and many other Cox Newspapers. The company weighed several SSL VPNs that had to work with a variety of platforms.

  • December 07, 2006 07 Dec'06

    Windows Vista security settings

    Microsoft's Windows Vista is here. Here, Current Analysis senior analyst Andrew Braunberg discusses what network admins need to know about tightening up Vista security.

  • December 06, 2006 06 Dec'06

    CCNA: Earn more by knowing more

    Many already in the networking and telephony field feel they don't need to get CCNA certified, but participants in's CCNA Video Mentor contest expressed not only their desire to obtain CCNA certification, but their desperation ...

  • November 30, 2006 30 Nov'06

    Spam -- stop it at the network edge

    Spam has become much more than just a nuisance; it can slow or crash the network. F5 recently added a module to its Big IP platform to stop spam at the network edge.

  • November 29, 2006 29 Nov'06

    Network security hits home run for Detroit Tigers

    When they made it to the playoffs, the Detroit Tigers had to plan for a boom in network traffic. With that boom came the potential for threats.

  • November 21, 2006 21 Nov'06

    Enterprises haven't implemented IPv6, despite hype

    Internet Protocol version six (IPv6) implementation has not been adopted by enterprises, despite hype.

  • November 16, 2006 16 Nov'06

    Seven networking mistakes to avoid

    A bunch of network no-nos could sabotage everything. At Gartner's Enterprise Networking Summit 2006, one research vice president shared a list of seven things NOT to do.

  • November 15, 2006 15 Nov'06

    Remote workers still confused about security

    Not only are remote workers a ticking time bomb when it comes to network security, but many also feel IT has no right to monitor their online behavior.

  • November 14, 2006 14 Nov'06

    Juniper rounds out Unified Access Control

    Juniper Networks this week bolstered its network access control (NAC) offering by rolling out the latest version of its Unified Access Control (UAC) solution.

  • November 08, 2006 08 Nov'06

    Wireless technology: Five myths debunked

    Cisco, along with Forrester Research, recently issued a report calling most wireless LAN fears mere myths, and a campus-wide, all-wireless deployment appears to prove that theory.

  • November 07, 2006 07 Nov'06

    NAC and endpoint security frameworks: Which way to go?

    We've all heard about the Cisco and Microsoft initiatives for NAC, plus the standards-based Trusted Network Connect. What's the difference between these approaches and which, if any, should you choose to secure your endpoints and keep your local ...

  • November 03, 2006 03 Nov'06

    Network access control: Should you implement now?

    Implementing network access control (NAC) is a big step, and deciding whether and when to start is daunting. Networking experts say the sooner the better, but before going into NAC full throttle, enterprises must first determine their motivation.

  • October 26, 2006 26 Oct'06

    Defending an expansive definition of NAC

    There is a good bit of controversy about what constitutes a complete NAC solution. Broadening our definition and expectations will enable networking pros to tightly integrate NAC into the IT infrastructure and leverage it as a true access control ...

  • October 25, 2006 25 Oct'06

    Video, audio are network drains

    Network misuse is rampant, according to a recent survey. Employees using the corporate network for recreation or high-bandwidth business can put a strain on network resources, but network engineers can combat that with filtering and monitoring.

  • October 24, 2006 24 Oct'06

    WAN optimization from Juniper gets faster

    WAN optimization platforms from Juniper Networks get an upgrade, making it easier for remote locations to take advantage of files and services over the WAN.

  • October 18, 2006 18 Oct'06

    Data leakage protection: Where does it fit in the network?

    Network-based antivirus and antispam products are getting a face-lift with next-generation content filtering, but is data leakage protection best served in the network or at the endpoint?

  • October 12, 2006 12 Oct'06

    Voice over wireless gets easier with Trapeze architecture

    Wireless networks can have the best of both architectures with Trapeze Networks' centralized/decentralized intelligent wireless switching system.

  • October 11, 2006 11 Oct'06

    A remote worker can threaten network security

    Remote workers are wreaking havoc on their networks. A recent study commissioned by Cisco found that teleworkers are putting security at risk.

  • October 10, 2006 10 Oct'06

    Disaster recovery center focuses on network management

    Canadian VAR HyperTec Group is building disaster recovery centers in Canada but needed a way to monitor and manage all networked services.

  • October 05, 2006 05 Oct'06

    Cisco's Information Security Specialist Certification

    Cisco dishes up an entry-level security certification that meets tough government security standards.

  • October 04, 2006 04 Oct'06

    3Com rolls out unified SMB switch

    3Com hit the market today with an all-in-one unified switch for SMBs.

  • October 04, 2006 04 Oct'06

    Cisco, Cognio team up on Wi-Fi interference detection

    Cisco and Cognio have partnered to troubleshoot and diagnose problems on the Wi-Fi network.

  • September 28, 2006 28 Sep'06

    Cisco ACE gives video blogging a boost

    Cisco Catalyst, ACE help launch popular video-blog viewers into the tens of millions.

  • September 26, 2006 26 Sep'06

    Open source router on par with Cisco, users say

    To avoid paying top dollar for Cisco routers, two users say Vyatta's Open Flexible Router is a viable alternative to the proprietary norm, with pluses and minuses, of course.

  • September 25, 2006 25 Sep'06

    Cisco bulks up data center switching

    Cisco Systems Inc. today made significant announcements in its data center switching line: an 8-port, 10 GigE module; a blade switch for Fujitsu Siemens; and a Web-based script-sharing community.

  • September 25, 2006 25 Sep'06

    WAN optimization: Making the business case

    WAN optimization promises boosted data throughput and faster network response times. That, coupled with the prospect of saving money, often makes the business case for WAN optimization nearly a no-brainer.

  • September 21, 2006 21 Sep'06

    Reporter's notebook: Hidden gems of Interop

    The Interop conference in New York this week featured the usual suspects talking about their newest offerings and the industry at large

  • September 21, 2006 21 Sep'06

    WAN optimization strategies: Making the right decision

    WAN optimization products are flooding the market, and choosing one can be tricky. We examine the options and see how a few companies with different needs found the right technology to solve their WAN traffic problems.

  • September 20, 2006 20 Sep'06

    NAC, VPNs and behavior analysis in the Interop spotlight

    Security for the enterprise network was emphasized at Interop New York as vendors rolled out and upgraded NAC, VPN, network behavior analysis, and other threat protection products.

  • September 18, 2006 18 Sep'06

    Citrix tackles WAN optimization, application acceleration

    Citrix yesterday unveiled WAN optimization tools and an enhanced Web application delivery system at Interop New York. Both are said to speed applications over the network.

  • September 16, 2006 16 Sep'06

    TCP/Internet Protocol and OSI

    This explains the layers in TCP/IP and the OSI model, and what the differences are.

  • September 13, 2006 13 Sep'06

    Converged voice and data network puts shirts on cowboys' backs

    Extreme Networks provided the gear for a clothier's upgrade to a faster infrastructure for data applications and a reliable infrastructure for voice and video.

  • September 13, 2006 13 Sep'06

    Secure network perimeter to result from Symantec-Juniper deal

    Juniper and Symantec announced a deal to integrate Symantec's client security software with Juniper's security hardware. The result will allow endpoint compliance and access control platforms to secure the enterprise perimeter.

  • September 11, 2006 11 Sep'06

    Users anticipate joint Cisco and Microsoft security

    Users are keen on checking out Microsoft and Cisco's interoperable security architecture outlined this week by both companies. When it comes to enterprise security, however, Cisco still gets more respect from IT shops.

  • September 07, 2006 07 Sep'06

    Cisco, SAP team-up marries network with risk management

    Cisco and SAP team up to market governance, risk and compliance (GRC) and networking combo. The application/networking vendor relationship highlights SONA's first major proof point to networking professionals.

  • September 06, 2006 06 Sep'06

    Cisco accelerates the branch

    Cisco rolls WAN optimization, application acceleration and Wide Area File Services (WAFS) in a single branch box to complement its Application Control Engine (ACE) data center optimization product.

  • September 06, 2006 06 Sep'06

    Cisco, Microsoft unveil NAC/NAP interoperability

    Nearly two years into their partnership, Cisco and Microsoft yesterday announced a joint architecture combining their network access security solutions.

  • August 31, 2006 31 Aug'06

    WAN traffic, applications optimized at retirement community

    WAN traffic and application performance were terrible at Erickson Retirement Communities until network engineers found a way to run the WAN circuits at 95%.

  • August 29, 2006 29 Aug'06

    ProCurve rolls out three new switch series

    ProCurve Networking by HP has added three new series of switches to its lineup.

  • August 29, 2006 29 Aug'06

    Data-leakage security threat to meet its protection match

    Security-aware network managers fretting over headlines about intellectual property loss may find hope in the emerging data-leakage protection industry.

  • August 25, 2006 25 Aug'06

    Cisco patches flaws in multiple products

    Attackers could corrupt files, cause a denial of service and bypass security restrictions via flaws in several of Cisco's firewall and VPN products.

  • August 24, 2006 24 Aug'06

    Remote access, WAN optimization, and network analysis news

    Briefs: Remote access from Positive Networks helps with disaster recovery plans; Ipanema Technologies provides WAN optimization; Lancope rolls out network behavior analysis and response system tools.

  • August 24, 2006 24 Aug'06

    Microsoft and Cisco ready to demo NAP/NAC

    There is harmony at last between two high-tech elephants. At a Boston security conference, Microsoft and Cisco will demonstrate how their competing security technologies will co-exist.

  • August 22, 2006 22 Aug'06

    Network visibility thwarts crime, identifies unwanted traffic

    Networking monitoring tools have helped Vanderbilt University's network team to uncover unwanted and troubling traffic. In some cases, the tools have turned the team into crime fighters.

  • August 17, 2006 17 Aug'06

    Wireless security push fueled by paranoia

    Wireless security became a necessity for Intermagnetics, but when the company used its access points to monitor the spectrum, performance suffered.

  • August 15, 2006 15 Aug'06

    Wireless security boost for laptops outside the office

    Most companies do a pretty good job with wireless security within the office walls, but what happens when end users take their laptops home -- or to Starbucks?

  • August 09, 2006 09 Aug'06

    Network Defenders

    The mission of our Network Defenders series is to provide user stories in which networks were breached or broken by a security threat, and then later fixed with various technology solutions that improved the level of enterprise security. These users...

  • August 08, 2006 08 Aug'06

    Possible Cisco zero-day exploit revealed at Black Hat

    Details of an alleged flaw related to SIP and PIX appliances, briefly mentioned in a Wednesday Black Hat presentation, are being kept under wraps as Cisco and US-CERT investigate.