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  • Cisco adds 60-watt Power over Ethernet standard in Cat 4500

    Cisco is pushing the Power over Ethernet standard to 60 watts with Universal PoE. The technology is available in new line cards for the Catalyst 4500. 

  • Software router on server cluster delivers 40 Tbps throughput

    With their RouterBricks project, Intel researchers have substantially increased the potential throughput of software routers. Software-based routers, which used to be limited by the processing power of a single server, could now theoretically deliver... 

  • Best of 2009: Computer networking advice

    Are you looking for a top 10 list of networking industry issues? Then look no further. Get the best of 2009's computer networking advice from our enterprise IT expert panel, and learn answers to questions that spoke to the year's most prevalent probl... 

  • From slots to robots: Vegas resort runs it all on converged IP network

    Plug and play isn't just a figure of speech for The M Resort in Las Vegas, which deployed a Brocade converged Internet Protocol (IP) network to power and connect thousands of devices in the resort casino. 

  • Know the risks of running industrial control systems on IP networks

    More IT organizations are starting to run industrial Supervisory Control and Data Acquisition (SCADA) systems over the corporate network to save money and to boost bandwidth. However, these industrial control networks are extremely sensitive. Proper ... 

  • More than 1 million DNS servers still vulnerable to Kaminsky

    More than 1.3 million DNS servers are still exploitable by the Kaminsky vulnerability, according to new research from vendors Infoblox and DNSstuff. 

  • Retrospective network analysis might have found Google's lost billions

    When Google's stock price mysteriously dropped hundreds of points within minutes, network professionals probably called on retrospective network analysis technology to solve the problem. 

  • 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. 

  • TCP/Internet Protocol and OSI

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

  • Bandwidth for video over IP may skyrocket

    Video was a hot topic of conversation at the Cisco Networkers annual customer conference, with the uses for it as varied as the attendees. Several network architects and engineers are already experimenting with video and factoring it into their futur...