• optical network (photonic network)

    An optical (photonic) network is a communications network in which information is transmitted as optical or infrared radiation transmission (IR) si...

  • Network performance testing considerations for a 40 ...

    Migrating to 40 GbE will require network performance testing that will take into consideration backplane throughput, jitter and the needs of an FCo...

  • Wide Area Application Services (WAAS)

    Wide Area Application Services (WAAS) is a Cisco Systems technology that improves the performance of applications on a wide area network (WAN). (Co...

  • Power over Ethernet (PoE)

    Power over Ethernet (PoE) is a technology for wired Ethernet LANs (local area networks) that allows the electrical current necessary for the operat...

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  • OSGi (Open Service Gateway Initiative)

    OSGi (Open Service Gateway Initiative) is Java framework for developing and deploying modular software programs and libraries.

  • loose coupling

    Loose coupling is a method of interconnecting the components in a system or network so that those components, also called elements, depend on each other to the least extent practicable... (Continued)

  • AARP (AppleTalk Address Resolution Protocol)

    AARP (AppleTalk Address Resolution Protocol) is a way to map between the physical hardware addresses of computers, such as those known to an Ethernet or token ring local area network, and their temporarily assigned AppleTalk network addresses.

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    Multichannel Multipoint Distribution Service (MMDS) is a broadcasting and communications service that operates in the ultra-high-frequency (UHF) portion of the radio spectrum between 2.1 and 2.7 GHz.

  • Interfaces on Snort

    Expert Michael Gregg answers a reader question about Snort and the interfaces it uses.

  • Mobile device threats to enterprise security

    Security expert Michael Gregg notes the risks to enteprise security that mobile devices may cause.

  • Network security with foreign network cards

    Security expert Michael Gregg fields a question about unknown network cards gaining access to a user's network.

  • How to define remote office structure to simplify branch IT management

    Individual branch offices often become islands from the perspective of a corporate wide area network (WAN) manager. This can be overcome by implementing a model that organizes branches into a manageable structure. Branch IT management can be tricky. See what you can do to manage your office branches, in Chapter 1 of this e-book, Simplifying Branch Office Management.

  • Wireless access for mall kiosk

    Wireless expert Lisa Phifer answers a question on how to connect wired networked devices to a mall's wireless access.

  • VIEW MORE ON : Networking Resources
  • USENIX LISA 2010: Special coverage

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  • Data center network convergence? Not yet, but worth the conversation

    At the Interop New York 2010 conference, data center network convergence strategies will be discussed, but users aren't yet ready to invest or even choose which data center network convergence strategy they believe in.

  • ATA over Ethernet for converged data center networks? No way

    ATA over Ethernet is pitched as a solution for converged data center networks, but ATAoE has a host of technology shortcomings, including a lack of packet loss recovery and shaky security, according to Fast Packet blogger Ivan Pepelnjak. So why bother?

  • Oracle launches super-dense 10 Gigabit top-of-rack switch

    With very little fanfare, Oracle has launched a 72-port 10 Gigabit Ethernet top-of-rack switch, blowing other solutions out of the water. The switch is part of Oracle's strategy to integrate everything from applications and servers to network and storage.

  • 40 and 100 Gigabit Ethernet ratification doesn't mean immediate uptake

    40 and 100 Gigabit Ethernet ratification means that vendors can roll out standardized 40 and 100 GbE switching products with enormous speed, but users are likely to hold off until prices come down and the need for performance is greater.

  • Will TRILL replace spanning tree protocol in data center networks?

    The Transparent Interconnection of Lots of Links (TRILL) protocol is a pending IETF standard that could eliminate spanning tree protocol from standard data center network design. Vendors like Brocade are already staking their future on it.

  • Juniper Project Stratus: The flat data center network gospel

    Juniper's data center strategist, David Yen, preaches flat data center networks, which can be easily automated. With simplification and automation, cloud computing networks can more readily enable resource sharing and provisioning on demand.

  • Managing virtualization networking: Virtual network switch challenges

    Managing virtualization networking is a real challenge for network admins since they often don't have control of virtual network switches and the traffic that runs inside servers. But there are some solutions by way of virtualization networking management tools.

  • Will InfiniBand get new life in the quest for converged I/O?

    Enterprises are desperately seeking answers for converged I/O to support converged data center networks. While many tout FCoE, others are looking toward the ROCE specification for running InfiniBand over an Ethernet backbone.

  • Extreme Networks 40 Gigabit Ethernet: Another hat in the ring

    Extreme Networks' 40 Gigabit Ethernet debut at Interop has the company promising customers they can update using their existing equipment. The Extreme Networks 40 Gigabit Ethernet approach adds 40 Gigabit Ethernet connections to existing stackable switches.

  • VIEW MORE ON : 10 Gigabit Ethernet