13 - Input Ports Switching Fabrics Output Ports Concerns...

Info iconThis preview shows pages 1–6. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Input Ports Switching Fabrics Output Ports Concerns Take-Home Points Routers Fast Packet Forwarding Daniel Zappala Brigham Young University Computer Science Department Routers Daniel Zappala 1/13 Input Ports Switching Fabrics Output Ports Concerns Take-Home Points 1 Input Ports 2 Switching Fabrics 3 Output Ports 4 Concerns 5 Take-Home Points Routers Daniel Zappala 2/13 Input Ports Switching Fabrics Output Ports Concerns Take-Home Points Question of the Day How does a router send packets? Routers Daniel Zappala 3/13 Input Ports Switching Fabrics Output Ports Concerns Take-Home Points Routers key functions run routing protocol (RIP, OSPF, BGP) forward datagrams from incoming to outgoing link schedule packets in outgoing link queues Routers Daniel Zappala 4/13 Input Ports Switching Fabrics Output Ports Concerns Take-Home Points Input Port Processing line termination - physical layer- bits data link processing - link layer- frames (e.g. Ethernet) lookup, forwarding, queueing - network layer given a datagram destination address, lookup output port using forwarding table stored in input port memory try to complete input port processing at link speed if datagrams arrive faster than processing rate, they may be queued on input port Routers Daniel Zappala 5/13 Input Ports...
View Full Document

This note was uploaded on 10/18/2011 for the course CS 460 taught by Professor Staff during the Spring '05 term at BYU.

Page1 / 13

13 - Input Ports Switching Fabrics Output Ports Concerns...

This preview shows document pages 1 - 6. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online