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Spotlight On

Securing the IP Enterprise

Mobility is one of the hot buzzwords in IP networking spaces. Mobile workers, mobile devices, and ubiquitous service coverage present the holy grail of the workanywhere professional. This broadening of access, coupled with integration of VoIP and video services, creates a problem for enterprise security managers. Deperimeterization of the network has raised the bar on what it takes to effectively protect an enterprise. Enterprise businesses have implemented traditional security mechanisms ranging from firewalls and session border controllers to intrusion detection and prevention systems. They worked when the perimeter was a single connection to the Internet. In today's business environment, with highly mobile professionals connecting via all manner of devices, the perimeter is both nowhere and everywhere. But it's no longer a fixed, visible point in the network topology.

Global View

  • From Asia: Korea's Other Unification Challenge

    Forget the DMZ; global unified communications players are using multiservice-savvy customers and carriers in Korea to test-drive their solutions.

  • VoIP Breaks Capacity and Speed Barriers

    A new way to process VoIP delivers simultaneous voice and data on ADSL–up to 28 calls. Sites can be linked to provide secure private networks. And broadband access is available on high-speed (300 km/h or 190 mph) trains. Access is enabled by a combination of…

  • From The Middle East: Sweeping the Backhaul off Its Feet

    As the migration to all-IP networks gather traction, microwave networks are going through a transformation. The rapid growth of mobile communication networks in emerging markets and the transition to 3G, 3.5G, and 4G networks in developed markets are…

Columnists

  • Ten Internet Talking Points for the Next U.S. President

    By the time you read this, the race for U.S. president will be more defined than it is as I write this. But Internet policy issues will not change as quickly. Here are ten talking points on Internet policy for the next president, no matter who he or she…

  • The Consistency of Voice

    If you need any more evidence of the power of consistency, look no further than your local franchise restaurant. With few exceptions, the best restaurant in your town is not the Outback Steakhouse, but franchise restaurants are excellent examples of…

  • Euro Innovations - Mobile TV: A Classic Battle is Brewing

    In the red corner we have DVBH– a standard that the EU is pushing, but several countries oppose the move, and it will be a few years before mobile video really takes off. In the blue corner we have IPTV delivered over highspeed wireless networks; i.e.,…