Data Center Network Infrastructure

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  • 40 Gigabit Ethernet (40GbE)

    40 Gigabit Ethernet (40GbE) is a standard that enables the transfer of Ethernet frames at speeds of up to 40 gigabits per second (Gbps). The 40GbE standard is intended for local server connectivity; a more robust standard, 100 Gigabit Ethernet (100Gb...  Definition

  • northbound interface / southbound interface

    A northbound interface is an interface that allows a particular component of a network to communicate with a higher-level component. Conversely, a southbound interface allows a particular network component to communicate with a lower-level component....  Definition

  • application delivery controller

    An application delivery controller is a data center network device that helps manage client connections to complex Web and enterprise applications.  Definition

  • shortest path bridging

    Shortest path bridging, or 802.1aq, is the IEEE’s specification for enabling multi-pathing in the data center. Shortest path bridging is similar conceptually to its IETF counterpart, Transparent Interconnection of Lots of Links (TRILL).  Definition

  • Transparent Interconnection of Lots of Links (TRILL)

    Transparent Interconnection of Lots of Links (TRILL) is the Internet Engineering Task Force’s specification for enabling multi-pathing in the data center. The protocol is intended to replace the spanning tree protocol.  Definition

  • NBAR (Network Based Application Recognition)

    Network Based Application Recognition (NBAR) is a mechanism that classifies and regulates bandwidth for network applications to ensure that available resources are utilized as efficiently as possible. Cisco Systems developed NBAR as part of its Conte...  Definition

  • MOSPF (Multicast Open Shortest Path First)

    MOSPF (Multicast Open Shortest Path First) is an extension to the OSPF (Open Shortest Path First) protocol that facilitates interoperation between unicast and multicast routers... (Continued)  Definition

  • fast retransmit and recovery (FRR)

    In TCP/IP, fast retransmit and recovery (FRR) is a congestion control algorithm that makes it possible to quickly recover lost data packets.  Definition

  • SMDS (Switched Multimegabit Data Service)

    SMDS (Switched Multimegabit Data Service) is a public, packet-switched service aimed at enterprises that need to exchange large amounts of data with other enterprises over the wide-area network on a nonconstant or "bursty" basis.  Definition

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