Data Center Network Infrastructure

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  • Does SDN change everything in network architectures?

    Some experts predict that the network functions virtualization (NFV) and software-defined networking (SDN) mean that physical network equipment will soon be a thing of the past. Not true! While new virtual overlays are required as technology evolves,... 

  • Your next switch: The data center's software-defined future

    The hardware-defined network is still around, but a software-defined switch is coming. Your next switch will include SDN features and will also need to be application-aware and integrated with robust security strategies. This handbook covers everythi... 

  • Converged infrastructure: The future of network efficiency

    Taking the complexity out of the data center has been a complex challenge in itself. Vendors have introduced have variety of ways to converge IT infrastructure to consolidate networking, storage and compute resources in the data center. But cloud co... 

  • Hybrid Cloud networking falls short, but not for long

    As if network management isn’t hard enough, now engineers must find ways to manage physical networks, virtual networks and SDN environments. In this edition of Network Evolution, we’ll explore strategies to manage across physical and virtual n... 

  • The new network: SDN gets real

    As the software-defined networking (SDN) hype is replaced by real products, this edition of The New Network will look at the current state of SDN testing, development and deployment, as well as how SND and data center network fabrics complement each ... 

  • Let the 40 Gigabit Ethernet migration begin

    The need for capacity and speed explodes as network teams build private and hybrid clouds and deliver video throughout their campuses and branch offices. So even if they don’t need 40 GbE today, they’ll need to build networks that can be transitioned... 

  • Revisiting past predictions for networking technology

    In this special end-of-year issue, we take stock of what we reported over the year and gauge whether the changes in networking technology that we predicted have actually taken place. Take a look inside and find out about the latest networking trends ... 

  • Adopting an application-centric architecture

    Read about how networking professionals view applications and how their jobs have changed as a result of a network-centric view. Get expert advice on how to make the most out of application-aware firewalls; discover whether or not your security strat... 

  • Building the infrastructure to enable flat Data Center network architecture

    This issue of the Network Evolution E-Zine will cover the road to flat Data Center network architecture. Learn about how to design a high-performance network with virtualization in mind. We'll help you understand virtualization security, virtual clus... 

  • Modern data center networking strategies

    Data center design is changing at a rapid pace, and network architects find themselves at a crossroads when selecting and implementing infrastructure. Their short-term and long-term goals often seem at odds, and they are dealing with major changes in... 

  • application delivery controller

    An application delivery controller (ADC) is a network device that manages client connections to complex Web and enterprise applications. In general, a controller is a hardware device or a software program that manages or directs the flow of data betw... 

  • 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). 40 GbE runs on Quad Small Form Factor Pluggable (QSFFP) cabling, a high-density fiber connector with 12 strands o... 

  • 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.... 

  • 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). 

  • 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. 

  • 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... 

  • 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) 

  • 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. 

  • 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. 

About Data Center Network Infrastructure

Learn about data center network infrastructure considerations for building your data center network including data center network architecture, devices, data center routing and switching, bandwidth considerations, and data center network security.