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Tiny Deathstars of Foulness

The functional layers for swiching environments in the Data Center are often architected around three layers, commonly referred to as The Cisco Three-Layered Hierarchical Model:

  • The Core Layer connects the Aggregation Layers. Typically, the Core Layer utilizes high performance low latency Layer 3 switches (often 10 gig Ethernet and/or 10 gig fiber).
  • The Aggregation Layer provides services, such as Load Balancing and SSL Optimization.  Access Layer switches typically use the Aggregation Layer for connecting to the Core Layer.
  • The Access Layer includes the hubs and switches that connect client systems.

October 4th, 2006

Posted In: Network Infrastructure

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