Computer networking news, reviews, solutions, and analysis for IT professionals
  • Brocade gets loan to fund Foundry buyout

    Posted October 7, 2008 - 9:39 pm

    Brocade Communications Systems on Tuesday secured a $1.1 billion loan to fund its acquisition of Foundry Networks despite a tightening of credit markets amid the Wall Street meltdown.
  • WCCP Refresh

    Posted October 5, 2008 - 3:58 pm

    I'm frequently asked to recommend or validate a WCCP design for customers. This tech note will summarize the most current capabilities and recommendations for using WCCPv2 with Cisco WAAS (Wide Area Application Services).
  • Vendors fixing bug that could crash Internet systems

    Posted October 2, 2008 - 9:17 pm

    Internet infrastructure vendors are working on patches for a set of security flaws that could help hackers knock servers offline with very little effort.
  • VoIP Still Not Ready For Carrier-Grade Networks

    Posted October 2, 2008 - 1:22 pm

    After a quick tour of some Really Talented Groups dedicated to fuzzing research, I noticed three things: 1) Most teams are focused on fuzzing VoIP 2) Most if not all VoIP devices still break with fuzzing 3) Most VoIP vendors still do not get it. The tour continues...
  • Cisco, Microsoft roll out Windows network appliance

    Posted October 1, 2008 - 8:47 pm

    Enterprises can now buy a networking appliance from Cisco Systems that runs basic Windows Server 2008 functions, a product designed for use in branch offices, Cisco and Microsoft announced Wednesday.
  • Cloud computing: End of the corporate WAN?

    Posted October 1, 2008 - 8:38 pm

    When vendors and marketers get their hands on an IT concept, it doesn't take long for that concept to morph into a totally new business opportunity and possibly a new market segment. Such is the story of cloud computing.
  • OppenheimerFunds gets ROI from Agile, SOA

    Posted September 29, 2008 - 10:55 am

    OppenheimerFunds used to have a data entry problem. Address changes that customers made on its website had to be manually re-entered into a variety of back-end systems before they went into effect. The company had a choice: to solve this one immediate problem, or to invest a little more time and money in order to plan a little bit further ahead.
  • Cisco releases bundle of router security patches

    Posted September 25, 2008 - 9:51 am

    Cisco has issued a set of security patches for the Internet Operating System (IOS) software, used to power its routers and switches.
  • Troubleshooting SaaS performance issues

    Posted September 23, 2008 - 2:22 pm

    Traditional network troubleshooting tools and processes were developed around the hub-and-spoke concept, with remote applications the spokes into servers in a centralized data center. But Saas applications that are delivered from an off-site provider’s data center defy traditional monitoring assumptions and require a new methodology for troubleshooting.
  • Brocade gearing up to fight 'Cisco fatigue'

    Posted September 18, 2008 - 9:47 am

    With its acquisition of Ethernet vendor Foundry Networks expected to close by year's end, Brocade is painting itself as the alternative to Cisco that IT administrators have been looking for.
  • Nortel sees Q3 revenue down, will sell metro Ethernet unit

    Posted September 17, 2008 - 11:40 am

    Nortel Networks lowered its revenue expectations for the third quarter on Wednesday, blaming delays in delivering certain products, and said it will consider selling its metro Ethernet networking business
  • Cisco plays up video for business, carriers

    Posted September 16, 2008 - 7:52 pm

    Cisco is targeting video, virtualization and collaboration as key areas of growth while pursuing 21 other initiatives at the same time, Chairman and CEO John Chambers told financial analysts on Tuesday.
  • Why We're Hating the New Facebook Design

    Posted September 15, 2008 - 12:16 am

    There is a reason that so far, there are close to 2,000,000 who have joined the facebook group called "1,000,000 Against the New Facebook Layout!" It feels more like sitting at a desk job now, having to navigate through tabs to find things that were before on a home page.
  • San Francisco hunts for mystery device on city network

    Posted September 10, 2008 - 6:29 pm

    With costs related to a rogue network administrator's hijacking of the city's network now estimated at US$1 million, city officials say they are searching for a mysterious networking device hidden somewhere on the network.
  • Port Forwarding with Perl

    Posted September 10, 2008 - 6:00 am

    SSH tunnels aren't the only way to do port forwarding. If you're clever enough, you can write your own program. If you're not quite that clever, you can use someone else's program -- like a very cool Perl script I found on the web.
  • Off to the Minneapolis ITEC Show

    Posted September 9, 2008 - 9:34 am

    Tomorrow I speak at the Minneapolis ITEC show, so if you're in the area, please come by and say hello. But get there early (8:45am) for the light breakfast so you can see me give the keynote speech about how Technology Is Broken: How to Fix IT in Your Business.

  • London Stock Exchange online after network outage

    Posted September 8, 2008 - 9:00 pm

    The London Stock Exchange (LSE) began operating again in its final half hour of the day, after an unexplained network problem prevented trading for most of Monday.

  • SMC updates 802.11g wifi hotspot gateway

    Posted September 8, 2008 - 3:58 pm

    SMC Networks has released an updated 802.11g gateway targeted at the small and midsize enterprise market for quick, simple, secure wifi hotspot deployments.
  • London Stock Exchange trading stops as network fails

    Posted September 8, 2008 - 11:35 am

    The London Stock Exchange (LSE) suffered a humiliating network failure, on what looked set to be one of the busiest trading days of the year.
  • Was MythBuster's RFID tale only a myth?

    Posted September 4, 2008 - 8:24 pm

    It all started when Adam Savage of MythBusters fame told a convention audience that legal bullies from the credit card industry had cowed Discovery Channel into scotching an episode of the show that was to have taken on RFID.
  • My Lunch With CCIE #1026

    Posted September 4, 2008 - 4:04 pm

    Terry Slattery and Emmanuel Conde meet for lunch to discuss the next CCIE Mixer to be held in Washington DC in late October 2008
  • What are Cisco's top network-management challenges?

    Posted September 4, 2008 - 9:47 am

    Cisco CEO John Chambers annually seems to lament the state of Cisco network management when he's asked where the company is most challenged or weakest from a product development and marketing aspect. Perhaps it doesn't help that Cisco has acquired more than 125 companies since 1993. An acquisition binge at that pace will keep network management integration efforts continually on the back burner.
  • (Is There) Motivation for VoIP Fuzzing

    Posted September 4, 2008 - 3:06 am

    What have we learned during these six or so years of proactive security work with VoIP fuzzing? Here is my top ten discoveries.
  • Google and the Browser OS Push

    Posted September 3, 2008 - 5:17 pm

    Google-watching, now a fine art, went into hyperdrive with their new Chrome browser (one of many stories here). Some reports say Chrome already has one percent of the browser market, an impressive rollout.

  • Review

    Nexus 7000 aims for data center dominance

    Posted September 2, 2008 - 3:45 pm

    Building a big data center and looking for a switch to match? How do 256 10 Gigabit Ethernet ports and nearly 1.7 terabits of capacity sound? That's what Cisco is offering with its brand new Nexus 7000 Series data center switches.
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