L2protocol data unit frame processing and forwarding

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Unformatted text preview: Clouds: ClassificaPon- 3 < basis: service virtualizaPon> –  Pla[orm as a service, So]ware as a service, Storage as a service, CollaboraPon & Sharing Services etc. January 21, 2013 •  Types of Clouds: ClassificaPon- 1 <basis: model of operaPon> (c) Dr. Rahul Banerjee, BITS Pilani , INDIA Types of Clouds & Associated VirtualizaPon Case- Study of of a Network- Based MulP- site CollaboraPon System Design Project BITS-Connect 2.0 BITS Pilani, Deemed to be University under Section 3 of UGC Act, 1956 Project BITS-Connect 2.0 The Immersive Tele-presence Rooms •  This is how an 18-seater immersive telepresence room looks like at all the Indian campuses. •  Chancellor’s office is equipped with one two- seater system BITS Pilani, Deemed to be University under Section 3 of UGC Act, 1956 A Few More Networking Terms •  Repeaters / Repeater Hubs / Shared Hubs: where usually Physical layer / level exist with L1-protocol data unit (raw bits) regeneration and onward transmission •  Managed Hubs / Layer-2 Switching Hubs: where Physical and Data Link layers / levels exist with ability to handle and deliver Layer-2-protocol data unit (frame) •  Bridges: where Physical and Data Link layers / levels exist with L2protocol data unit (frame) processing and forwarding •  Switches: where Physical and Data Link and / or Network (sometimes even higher) layers / levels exist with Layer-2 and / or Layer-3-protocol data unit (frame / packet) processing, switched routing / forwarding •  Routers: where Physical and Data Link and Network layers / levels exist with L3-protocol data unit (packet) processing, routing and forwarding •  Gateways: where two or more different networks meet and may require protocol / message translation capabilities •  Clouds: abstraction of node connectivity in the networking context <details hidden> (c) Dr. Rahul Banerjee, BITS, Pilani, India 27 References •  •  •  •  •  •  •  Larry L. Peterson & Bruce S. Davie: Computer Networks: A Systems...
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