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  • Cisco IOS configurations in DSL architectures

    This chapter excerpt presents the configurations of the four basic TCP/IP architectures and Point-to-Point Protocol over Ethernet. 

  • OSPF Network Design Solutions: Redistribution

    When routing information from one routing protocol, such as OSPF, is redistributed into IGRP, you must be mindful of possible routing loops. 

  • AT&T's Ianna: Last mile still the biggest challenge

    As the president of AT&T's network services group, Frank Ianna has had the mother of all networking jobs. He's spent the last 11 years running the world's largest voice and data network. SearchNetworking.com caught up with Ianna, who is retiring this... 

  • N+I: Chambers pushes spending on converged networks

    In his keynote Tuesday at N+I, Cisco Systems CEO John Chambers said companies that invest in intelligent networks and applications can expect to see productivity gains of between 2% and 10% a year. While attendees found merit in his strategy, which h... 

  • Mobile vendors shifting focus from platforms to apps

    Mobile device vendors have stopped selling platforms and started selling applications that target specific business processes. According to a Yankee Group analyst, the emergence of more useful, prepackaged mobile applications to access networked info... 

  • Gartner: Mobile success hinges on today's planning

    An analyst who spoke at this week's Gartner Symposium/ITxpo says that long-term success with mobile devices in the enterprise will require IT managers to take control of the proliferating PDAs and smart phones in their workforces today; they must als... 

  • Titans of IM duke it out for enterprise supremacy

    The "Big Three" instant messaging vendors are getting warmed up for a fierce competition to make their software best in class, as IM becomes transformed into a mainstream business application. Analysts and other experts outline the strengths and weak... 

  • Network Design and Case Studies

    Intended for those studying for the CCIE exam, here is an introduction to designing campus networks, WANs, and remote connections. 

  • Top-Down Network Design

    This book excerpt covers the first step of design: analyzing your customer or company's business goals. 

  • N+I: Sprint pushes new nationwide network, gets mixed reviews

    Sprint thinks its new next-generation wireless network has the right stuff to get the company through a rough economy. At the NetWorld+Interop conference in Atlanta, CEO Ron LeMay said the nationwide network is the cornerstone of Sprint's wireless st...