The OSI Model

  • October 14, 2009 14 Oct'09

    More love lost for Gartner

    As a follow-up to my post on analyst integrity, here is a rather visceral rant against Gartner from David Amsler, founder and CIO at ForeGround Security, an infosecurity consulting and services ...

  • October 14, 2009 14 Oct'09

    Meru reinvents wireless LAN troubleshooting and management

    Meru uses its single channel architecture to reinvent wireless LAN troubleshooting. Its Service Assurance Module, part of Meru's wireless LAN management suite, allows access points to emulate client devices in order to create a baseline or "dial ...

  • October 14, 2009 14 Oct'09

    Mobile infrastructure market realigned with Cisco Starent acquisition

    Mobile infrastructure market vendors will be facing a bigger competitor in Cisco next year because Cisco plans to fill a gap in its

  • October 13, 2009 13 Oct'09

    Hospital builds WAN redundancy with load balancing and link failover

    Investing in a WAN link controller that combines link failover and network load balancing has freed New Orleans researchers from burning the midnight oil just to transfer files.

  • October 07, 2009 07 Oct'09

    Network security risks multiply when enterprises begin outsourcing

    Network security risks of outsourcing tech jobs worry IT executives, according to a new survey. Without the right protections, outsourcing could expose companies to a network security breach.

  • October 07, 2009 07 Oct'09

    Flu pandemic planning: Don't forget WAN security and remote access

    In a flu pandemic emergency, millions of people could be stuck at home for weeks at a time. Companies must prepare their wide-area networks to support increases in remote workers. When doing this, network engineers mustn't overlook security. And ...

  • October 05, 2009 05 Oct'09

    Consolidation, centralization change the face of WAN managed services

    In an era of tight budgets, a shortage of skilled staff and increasing network demands, WAN managed services are looking better as an option to help eliminate management and support stress on a company's IT department. There are also some ...

  • October 01, 2009 01 Oct'09

    Cisco’s Tandberg deal is about interoperability: Uh, really?

    Cisco can go one of two ways with its $3 billion Tandberg acquisition: It can get over old habits and work toward interoperability in videoconferencing and telepresence -- or not.   The overarching ...

  • October 01, 2009 01 Oct'09

    802.11n upgrade: College ditches legacy network for new vendor

    The University of Rhode Island sought to deploy a wireless LAN with its wired network vendor. But increased bandwidth demand meant a change in networking strategy to consider other wireless vendors.

  • October 01, 2009 01 Oct'09

    Web-enabled TV looms, but can networks handle the Web on televisions?

    Web on television is coming as manufacturers begin selling Web-enabled TVs. Carriers will need to prepare their networks to handle the bandwidth demands as users start downloading HD video and using bandwidth-intensive Web applications on their TVs.

  • September 30, 2009 30 Sep'09

    Dynamic policy ensures faster, safer network for school district

    The town of Chelmsford, Mass., hired Enterasys Networks to deploy its new fiber network, using dynamic policy and network segmentation to ensure a faster, safer network for students, faculty and town employees.

  • September 25, 2009 25 Sep'09

    Hey network engineers, you’re not doing enough! Try facilities management too

    It is ironic that right as Gartner released research showing engineers are managing 20% to 30% more network components than they were last year, networking pros are about to receive even more on ...

  • September 24, 2009 24 Sep'09

    Network device management overload: Engineers managing too many boxes

    The number of devices in enterprise networks is growing, but the size of the network engineering teams is not. Engineers need to turn to network automation, standardization and network management outsourcing to keep on top of things.

  • September 24, 2009 24 Sep'09

    Mobile device management has big profit margin for wireless carriers

    If wireless carriers aren't already offering some form of mobile device management, they likely soon will be -- adding services like inventory, expense and security management -- as the market for wireless business services barrels toward the global...

  • September 23, 2009 23 Sep'09

    802.11n ratification will drive down wireless LAN prices

    With 802.11n ratification and a higher volume of sales, wireless LAN prices are about to drop. Aruba Networks is first to market with its new low-cost AP-105 access point, but others are sure to follow.

  • September 23, 2009 23 Sep'09

    WAN optimization ensures productivity gains of workforce mobility

    Workforce mobility continues to gain traction as executives and employees recognize the flexibility and productivity gains that working from home provides. But solving one problem has created another: Mobile employees can be a drag on an ...

  • September 17, 2009 17 Sep'09

    Avaya as a networking vendor

    Avaya has tried to be a networking vendor in the past (Anyone remember Cajun switches? I think you can still buy one in Thailand). The market has not been friendly to it. And yet, with this week's ...

  • September 17, 2009 17 Sep'09

    CA-NetQoS deal: Network management = application performance

    When CA bought NetQoS this week, it signaled that network management is no longer about understanding performance between nodes, but about application performance management. Network managers need to know how network flows affect user experience.

  • September 17, 2009 17 Sep'09

    When urban microwave backhaul makes sense for wireless operators

    Microwave backhaul has been touted as an economical solution for wireless operators in rural areas, but it may also make sense for wireless carriers in urban areas that are unable to build or can't afford to lease a fiber optics network.

  • September 16, 2009 16 Sep'09

    NAC appliance vendors: Can you depend on them?

    Network Access Control (NAC) appliance vendors are feeling pressure from infrastructure and endpoint security vendors who offer similar functionality. Is there a future for independent NAC vendors?

  • September 16, 2009 16 Sep'09

    SAN replication trends a plus for cloud computing, but shifts burden to WAN managers

    Storage admins are giving up their dedicated network links for SAN replication, which means more work for the network engineer managing production wide-area networks. This consolidation reduces complexity and enables cloud computing, but it also ...

  • September 09, 2009 09 Sep'09

    Wireless LAN supply chain shortages: Vendors struggle to deliver

    The coming 802.11n ratification and shifts in the global economy have led to WLAN chipset shortages. With chips and other components in short supply, some enterprises will have to wait for their new access points.

  • September 04, 2009 04 Sep'09

    FCC wireless ruling may kill smartphone deals, create app partnerships

    If wireless operators can no longer sign exclusive deals with handset manufacturers, partnering with third-party developers and using internal resources will be key for application development and growing 3G and 4G revenue.

  • September 03, 2009 03 Sep'09

    Virtualization University: Will the new green data center degree prepare you?

    It was only a matter of time before you could get a degree in virtualization. IBM has created a two-year associates degree in green data center management. The program, developed in conjunction ...

  • September 03, 2009 03 Sep'09

    Vendors strive to automate wireless LAN troubleshooting and management

    As wireless LANs evolve from being a convenience to a primary means of network access for enterprises, IT managers have learned that anything can go wrong and that troubleshooting has become a resource-sucking guessing game. Vendors are well aware ...

  • September 03, 2009 03 Sep'09

    Application-specific optimization may not fly as WAN demands evolve

    @66108Earlier this year, WAN optimization developer Silver Peak Systems Inc. joined EMC Corp. and network solutions maker Brocade in Boston to talk about distributed storage systems, disaster recovery and cloud-based network backup. It was a heady ...

  • September 02, 2009 02 Sep'09

    Private fiber optic WAN backbone connects Michigan's universities

    Merit Network, a nonprofit regional wide-area network (WAN) that connects Michigan's major universities to one another and the rest of the world, made a major upgrade about five years ago from a carrier-based circuit network to a private, ...

  • September 01, 2009 01 Sep'09

    Brocade continues to exploit friction between Cisco and systems vendors

    It's debatable just how much Cisco's move into the server market with its launch of the Unified Computing System (UCS) has truly soured the networking giant's strategic alliances with IBM and Dell, ...

  • August 26, 2009 26 Aug'09

    Virtual network switches add scalability to server virtualization

    Cisco's Nexus 1000v and Arista's vEOS virtual switches manage virtual network connections within ESX host servers. While the switches aim to help network admins, system admins could use them to bypass the networking team altogether.

  • August 26, 2009 26 Aug'09

    WAN engineers prepare networks as cloud computing adoption rises

    An F5 Networks survey found that cloud computing adoption is high. WAN engineers must make sure their enterprises have the right WAN infrastructure in place to support cloud services.

  • August 26, 2009 26 Aug'09

    Building out mobile backhaul infrastructure without overspending

    Infonetics Research predicts that telecoms will double their spending on mobile backhaul infrastructure by 2013 as they try to strike a balance between providing quality service to customers and not spending so much that it kills their profitability.

  • August 21, 2009 21 Aug'09

    Network Access Control, switch vendor ConSentry goes out of business

    ConSentry Networks has gone out of business, according to Network World. ConSentry was a network access control (NAC) vendor who approached the market by selling NAC and other security and control ...

  • August 21, 2009 21 Aug'09

    Server virtualization standards may fix network management, security

    The network security and network management challenges that arise with server virtualization would be more manageable with some industry standardization. Until vendors are willing to settle on some virtualization standard, network professionals will...

  • August 19, 2009 19 Aug'09

    Arista continues to drain Cisco's brain

    Arista Networks, a networking start-up that sells high-end Ethernet switches for cloud computing environments, continues to hire former Cisco Systems executives.  At the top is CEO Jayshree Ullal, ...

  • August 19, 2009 19 Aug'09

    Enterprise passive optical networks: a spanning-tree LAN alternative

    Motorola, Ericsson and other telecom network equipment vendors are adapting their passive optical networking technology for enterprise use. Adoption of gigabit passive optical networks has been slow thus far, but some people see the appeal of the ...

  • August 19, 2009 19 Aug'09

    What recession? Bandwidth upgrades, MPLS, Ethernet migration continue

    Despite the soft economy, Forrester Research has found that enterprises are still looking to upgrade their WAN bandwidth. Also, enterprises are still migrating from frame relay and private lines to MPLS IP VPNs and site-to-site Ethernet technology.

  • August 18, 2009 18 Aug'09

    Fluke gets WLAN design, management, security cred with AirMagnet

    Wireless LAN design, management and security are more critical than ever. As enterprises build out networks that include both wired and wireless infrastructure, network management needs a platform that can manage a network regardless of the medium ...

  • August 13, 2009 13 Aug'09

    With Clearwire cash running low, Sprint's WiMax push no sure thing

    Early on, Clearwire, Sprint's WiMax 4G network, was a media darling, but the company's future has become clouded as billions invested by Google and Intel are being written off.

  • August 12, 2009 12 Aug'09

    Health center cut cost securing wireless network edge with Aerohive

    In this case study, El Centro Regional Medical Center (ECRMC) discovered it could cut costs when securing its 802.11n wireless network at the edge by choosing to use Aerohive's access points (APs), which have built-in firewalls.

  • August 10, 2009 10 Aug'09

    IP address concerns strengthen push for IPv6

    Experts believe that because of the address limitations of the current IPv4 protocol, the Internet is running out of space and we are headed for catastrophe. The solution is to deploy IPv6, a next-generation protocol more than three decades in the ...

  • August 06, 2009 06 Aug'09

    Lifetime warranties on low-end edge switches indicate commoditization

    Extreme Networks has joined the limited lifetime warranty club for low-end wiring closet switches and edge switches, aligning itself with Cisco, 3Com, Nortel and, to a lesser extent, HP ProCurve. The trend acknowledges what many already know: When ...

  • August 06, 2009 06 Aug'09

    Video on demand: PPV and ads drive telecoms' revenue

    Even as carriers battle over-the-top video players, the industry's own video-on-demand services have been doing well and are getting better.

  • August 05, 2009 05 Aug'09

    Wi-Fi RTLS for WLAN management, location-based security, asset tracking

    Real-time location systems (RTLS) for wireless LANs -- Wi-Fi RTLS -- enable enterprises to improve everything from WLAN management and security to asset tracking. To get the most out of Wi-Fi RTLS, enterprises must design their WLANs carefully.

  • August 05, 2009 05 Aug'09

    SLAs, not infrastructure management, critical to WAN application delivery

    Wide area network (WAN) engineers who focus on infrastructure are missing the big picture, analysts warn. Everything should be framed in terms of applications, not routers. WAN professionals need to know how to develop and deliver on internal ...

  • August 04, 2009 04 Aug'09

    The future of enterprise networking is no more networks

    At Burton Group’s Catalyst Conference, I chatted briefly with speaker Matt Lavallee about how the conference was going, and he asked me this question: "Have there been any surprises for you?" In ...

  • July 30, 2009 30 Jul'09

    Ericsson's Nortel LTE, CDMA win gives it 4G advantage

    Ericsson, quiet up until the very end, has won Nortel's CDMA and LTE assets, giving the telecom equipment vendor the perfect launchpad into the early 4G North American market and leaving loser Nokia Siemens Networks (NSN) in a tricky position.

  • July 30, 2009 30 Jul'09

    IBM data center networking strategy: Battle HP with partnerships

    IBM has broadened its data center networking offerings with new Brocade and Juniper OEM deals and a reselling agreement with Cisco for its Nexus 5000 switches. By strengthening its data center networking capabilities, IBM is positioning itself for ...

  • July 29, 2009 29 Jul'09

    Satellite WAN optimization, bandwidth management can cut sky-high cost

    Satellite WAN optimization becomes critical as bandwidth management becomes a "must have" as a result of sky-high costs and high latency that make the task trickier.

  • July 29, 2009 29 Jul'09

    Intelligent edge switches: Complexity is driving a smarter LAN

    Intelligent edge switches are becoming more critical as network access control and security requirements become more complex and network managers are forced to handle network access for nonemployees, mobile workers and employees with multiple user ...

  • July 28, 2009 28 Jul'09

    Catalyst Conference 2009: Special News Coverage

    Burton Group's Catalyst Conference 2009, starting this week in San Diego, will cover next-generation networking trends that range from managing and troubleshooting networks with virtual machines for the dynamic data center to enabling storage ...

  • July 28, 2009 28 Jul'09

    Server, storage virtualization is a network problem: Are you prepared?

    Implementing data center server virtualization and storage virtualization is no longer solely the job of the systems, data center or storage teams. Network managers are increasingly charged with the task of networking the data center and storage ...

  • July 27, 2009 27 Jul'09

    Computer networking trends 2009 from senior Burton Group analyst at Catalyst conference

    The needs of the network are changing in 2009 as enterprises centralize their data centers, rely on fluid storage sources and depend more and more on wireless LANs instead of wired Ethernet. At ...

  • July 27, 2009 27 Jul'09

    SAP listens, then adds WAN optimization to its applications approach

    SAP isn't in the WAN optimization business per se, although the technology and tools are playing a larger role in its enterprise productivity strategies. Users of the company's CRM, ERP and other applications are more mobile and remote than ever and...

  • July 23, 2009 23 Jul'09

    Wireless LAN performance management and security standards beefed up

    Wi-fi may be taking off in the enterprise at lighting pace, but wireless LAN security, access control and performance management still strike fear in the hearts of engineers and administrators.

  • July 23, 2009 23 Jul'09

    802.11n ratification planned for Sept., draft products to interoperate

    The IEEE will hold a vote on Sept. 11 for 802.11n ratification. The Wi-Fi Alliance says that all products certified to the most recent draft version of the high-throughput wireless LAN technology will be compatible with the final specification. ...

  • July 23, 2009 23 Jul'09

    NSN faces increased competition for Nortel telecom assets

    Private equity firm MatlinPatterson's bid for the Nortel telecom assets wasn't a complete surprise, but the company appears unlikely to outbid Nokia Siemens Networks (NSN) and other companies including Ericsson. This jockeying for position will work...

  • July 22, 2009 22 Jul'09

    What will Avaya do with Nortel's data networking business?

    Avaya's acquisition of Nortel's enterprise division is clearly about gaining access to Nortel's voice customers and channel partners, but the deal also includes Nortel's significant data networking business. Avaya may try to retain that business and...

  • July 22, 2009 22 Jul'09

    Wide Area Network (WAN) jobs available in and outside the U.S.

    Enterprise wide area network (WAN) experts looking for work don't have to travel the world to land the perfect WAN job, but a little flexibility never hurts the job hunt. For one thing, professional WAN expertise is still in high demand, even ...

  • July 20, 2009 20 Jul'09

    Avaya buys Nortel's enterprise business

    After months of rumors, Avaya has finally struck a deal to buy Nortel Enterprise Solutions, the bankrupt Canadian company's enterprise division whose assets include its voice and unified ...

  • July 16, 2009 16 Jul'09

    Network management from a service-based perspective

    With a service-based network management style, a government contractor breaks down organizational silos and puts an end to the troubleshooting blame game.

  • July 15, 2009 15 Jul'09

    U.S., Korea Internet attacks indicate rise of sophisticated criminals

    The Internet-based attacks on U.S. and Korean government and financial websites this month revealed that criminals are finding new ways to pose network security threats by using old malware and attack methods. Experts say criminals are using ...

  • July 15, 2009 15 Jul'09

    Cisco, Juniper struggle to find, keep place in WAN optimization market

    For years, Riverbed Technology and Blue Coat Systems have dominated the WAN optimization market. Cisco Systems has enjoyed success in the market by piggybacking its wide area application services (WAAS) on its dominant Integrated Services Router (...

  • July 14, 2009 14 Jul'09

    WAN controller solves net access woes at healthcare service provider

    Healthcare information services provider PH Tech relies on an Ecessa WAN link controller to provide members access to patient eligibility status, authorizations, claims payments and other information that is the lifeblood of every hospital's ...

  • July 09, 2009 09 Jul'09

    DOJ antitrust probe of AT&T, Verizon could stall 4G investment

    The Department of Justice's preliminary antitrust investigation of telecom giants AT&T, Verizon and Sprint over price-fixing and handset exclusivity deals has investors worried that it could delay 4G network investment. But the DOJ probe is also ...

  • July 08, 2009 08 Jul'09

    Network access control market crushed by economy, but future is bright

    The network access control market has suffered a bloodbath through the global recession, but analysts predict the market will bounce back as enterprises turn to NAC for capabilities like guest networking.

  • July 08, 2009 08 Jul'09

    WAN optimization paired with proactive tools improves app availability

    'Best in class' companies that have combined WAN optimization and acceleration solutions with the right network monitoring tools have seen improvements in network throughput, accelerated application response times, and have a nearly perfect score ...

  • July 07, 2009 07 Jul'09

    Cisco matching ProCurve prices

    The rivalry between HP ProCurve and Cisco continues to heat up. According to a leaked email from ProCurve, Cisco has been telling its channel partners to match any price that ProCurve offers. ...

  • July 03, 2009 03 Jul'09

    Cisco internal memo: Changes to sales strategy and channel org

    If you think Cisco has grown too large, too unwieldy, too fragmented in its offerings, guess what? Cisco may agree with you. Or at least the company wants to be sure it doesn’t live up to these ...

  • July 02, 2009 02 Jul'09

    This week in WLAN adoption: John Marshall Law buys Aerohive, Virginia Union Univ. buys Aruba

    In a new semi-regular feature on The Network Hub, I'm going to provide a quick run-down of newly announced wireless LAN projects. I get a lot of press releases from WLAN vendors about customer ...

  • July 02, 2009 02 Jul'09

    802.11n wireless LAN access point market: Who's really in second place?

    Wireless LAN vendors Aruba and Meru are arguing over which company holds second place in the 802.11n access point market. Both are citing the same research, but each claims that the data shows it to be the No. 2 player. Who is right? And does it ...

  • July 02, 2009 02 Jul'09

    Q&A: Nortel's data networking chief discusses the future

    Recently, published a story about the future of the Nortel enterprise data business in the wake of the company's bankruptcy. The story characterized Nortel's data portfolio as an old product line. The story also said that the ...

  • July 02, 2009 02 Jul'09

    Sprint 4G WiMax network could build on Palm Pre launch success

    For Sprint Nextel Corporation, its exclusive Palm Pre launch is an opportunity for reinvention, giving the third-place carrier a chance to promote its customer service, its network and, most importantly, its 4G WiMax services. It almost doesn't ...

  • July 01, 2009 01 Jul'09

    Checkers jumps to cellular data as cheaper alternative to MPLS WAN

    Moving to a cellular wide area network (WAN) from an MPLS WAN helped Checkers fast-food chain cut costs while gaining a simplified installation and a single throat to choke.

  • June 30, 2009 30 Jun'09

    New Cisco certification redefines network engineer career path

    With its new Cisco Certified Architect program, Cisco has introduced a new pinnacle Cisco certification for network engineers. With the new certification on their resumes, networking professionals will demonstrate that they understand the business ...

  • June 29, 2009 29 Jun'09

    Are you a cable boy or a network engineer?

    Recently ran a news story highlighting the emerging skills necessary for network engineers and administrators to survive. The article summoned an outraged call (I believe the ...

  • June 29, 2009 29 Jun'09

    Building a better SMB WAN: Think bandwidth, resiliency, service levels

    The WAN requirements of small and medium-sized businesses (SMBs) vary, from a small office needing nothing more than Internet connectivity for email and Web access to a bigger and more diversified company that routinely moves large amounts of data ...

  • June 29, 2009 29 Jun'09

    Alcatel-Lucent mobile ad server enables revenue model for wireless operators

    Alcatel-Lucent's new Advertising Selection Server, also available as a hosted cloud-based service, can help mobile operators increase revenue and become part of the digital media value chain by targeting mobile ads at customers who opt-in to receive...

  • June 25, 2009 25 Jun'09

    New York Stock Exchange chooses Juniper switches and routers for two new data centers

    Juniper Networks scored a big customer win this week, announcing a deal with New York Stock Exchange (NYSE) Euronext. NYSE  Euronext is building two new data centers in New York City and London ...

  • June 25, 2009 25 Jun'09

    Nokia Siemens bid for Nortel's CDMA, LTE wireless assets could pay off

    Nokia Siemens Networks' bid for Nortel's CDMA and LTE assets could allow the network core vendor to break into the wireless edge in light of the Nortel bankruptcy.

  • June 24, 2009 24 Jun'09

    SolarWinds offers network management training and certification

    Network management vendor SolarWinds has introduced its SolarWinds Certified Professional program, a network management training and certification program that tests networking pros more on management fundamentals than on the vendor's products

  • June 24, 2009 24 Jun'09

    Excess WAN services, bandwidth can be bartered for business advantage

    Reselling wide area network (WAN) bandwidth and services might be the wave of the future as enterprises look to offload service provider contracts that no longer fit business needs. With smart negotations, rigid contracts do not mean that a company ...

  • June 23, 2009 23 Jun'09

    Nortel routers and switches may go to buyer of telephony business

    Nortel enterprise customers could get swept up in a larger deal for Nortel's telephony business, but it remains to be seen how well a telephony-focused buyer will support networking enterprise customers.

  • June 22, 2009 22 Jun'09

    Letter to Nortel users: It’s a wrap, and no promises on what's next

    Nortel put to rest rumors that it would maintain any of its units under the company name in a letter sent to Nortel users this morning obtained by Nortel also said it had ...

  • June 19, 2009 19 Jun'09

    Match carrier and network services to site needs to develop a strong WAN plan

    No single telecom carrier or service can address all of an organization's connectivity requirements, especially when dealing with remote locations and branch offices. To effectively meet the needs of the entire network, IT and data center executives...

  • June 18, 2009 18 Jun'09

    New skills emerge for network engineering and administration careers

    Network engineering careers and network administration careers aren't what they used to be. Networking professionals aren't just moving packets and enabling IP access, they're expected to deliver reliable applications and services. This has created ...

  • June 18, 2009 18 Jun'09

    IMS architecture may finally see success with LTE launches

    After years of failing to live up to its hype, the IP multimedia subsystem (IMS) market may finally be taking off in 2009. But the technology's fate is linked closely to the success of Long Term Evolution (LTE).

  • June 17, 2009 17 Jun'09

    Free Microsoft certification exam voucher

    We know earning a certification is no walk in the park. After you've joined a certification boot camp, read your certification books, created your practice labs and finished studying, you then have ...

  • June 17, 2009 17 Jun'09

    Distributed antenna systems and WLAN: A network management burden

    As smartphone usage increases, cellular networks are becoming just as critical to support as wireless LAN networks for network managers in some industries. For the near future at least, many will find themselves supporting more than one wireless ...

  • June 17, 2009 17 Jun'09

    What's killing WAN bandwidth? Monitoring tools can nab the culprit

    Wide area network (WAN) bandwidth monitoring is a necessary tool in deciding whether social networking, streaming video, or just the latest software upgrade is running your network into the ground. Chasing after the wrong problem can leave users ...

  • June 15, 2009 15 Jun'09

    Handwriting on the WAN wall

    One of the more vexing issues facing network managers today is how to cost-effectively tweak a WAN to keep up with the rising number of remote workers and increasing reliance on branch office activities and technology capabilities. On the one hand, ...

  • June 11, 2009 11 Jun'09

    Network performance management evolution: Involving other IT domains

    Network performance management software vendors are evolving their products so that IT domains other than the network team can glean relevant information and collaborate with one another on performance management, troubleshooting and collaboration.

  • June 11, 2009 11 Jun'09

    Telecom network optimization ROI limited for fixed and mobile video

    Strong video growth for mobile and fixed networks is projected, but with carriers seeing little of the video revenue in the current business model, return on investment (ROI) for telecom network optimization is not always a sure thing for service ...

  • June 10, 2009 10 Jun'09

    Wireless LAN management platforms key differentiator for WLAN vendors

    Wireless LAN management software will be the key differentiator for WLAN vendors in the future. Network monitoring for WLANs is a good start. Troubleshooting and configuration management capabilities are even better.

  • June 10, 2009 10 Jun'09

    WAN management: Palo Alto adds traffic shaping, QoS, to firewalls

    Firewall vendor Palo Alto Networks has added quality of service and traffic shaping capabilities to its firewall operating system. The new features transform the notion of the traditional firewall into a WAN management technology.

  • June 10, 2009 10 Jun'09

    Switch WAN optimization appliances to software for simpler mobile WAN

    Choosing WAN acceleration software over appliances can simplify enterprise WAN for branch offices and mobile workers. Companies like Expand Networks, Riverbed and even Cisco are leading the WAN with products designed to work with and without an ...

  • June 09, 2009 09 Jun'09

    Carhartt's network optimization plans tailor-made for MPLS, virtualization

    WAN optimization and design is easy when you have one or two locations, a reasonably predictable data traffic and applications load, and can live with a few activity reports pumped out every week or so. It gets a bit harder when you are a global ...

  • June 05, 2009 05 Jun'09

    MPLS, Ethernet services more critical as network habits, strategies change

    Reliable telecommunications services, including Multi-Protocol Label Switching (MPLS), Ethernet, and Internet access, are becoming even more critical as the way workers use the network changes dramatically.

  • June 05, 2009 05 Jun'09

    Sprint's Kindle deal shows mobile ARPU isn't everything for telecoms

    Sprint Nextel Corporation is earning only $2 ARPU off the 400,000 mobile users who bought a Kindle in Q1 2009, according to recent analysis. But huge profit margins mean the MVNO-like deal with Amazon is paying off handsomely for the struggling ...

  • June 03, 2009 03 Jun'09

    My inside look at the world of Star Wars

    Last week I held the original blaster that Harrison Ford - as Han Solo - used to shoot Greedo in Star Wars (Episode IV). That's what I consider the highlight to a vacation. Thanks to some business ...

  • June 03, 2009 03 Jun'09

    Cloud computing networks: Preparing for the future

    Despite all the hype, enterprises are adopting cloud computing today. Network administrators must strategize differently and make certain changes in order to deliver the cloud computing networks that enterprises will demand from them.