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Title: Slide 1 Author: Eugene Ng Last modified by: Eugene Ng Created Date: 1/20/2004 4:19:42 AM Document presentation format: On-screen Show Company
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Slides used with permissions from Edward W. Knightly, T. S. Eugene Ng, Ion Stoica, Hui Zhang ... Guarantees a flow receives at least its allocated bit rate ...
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Two signs of packet drops. No ACK after certain time interval: time-out. Several duplicate ... cwnd is increased by one only if all segments have been acknowledged ...
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Each end host is usually a general purpose computer ... Ports at both ends. Error control. Users see correct, ordered byte sequences. End-end flow control ...
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... used with permissions from Edward W. Knightly, T. S. Eugene Ng, Ion Stoica, Hui Zhang ... Need MAC protocol to control medium sharing ...
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Decide when a frame starts/ends ... If 0 this is end-of-frame (receiver has seen 01111110) ... No bit-stuffing is used, frame is fixed size ...
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COMP/ELEC 429 Introduction to Computer Networks Internet architecture Slides used with permissions from Edward W. Knightly, T. S. Eugene Ng, Ion Stoica, Hui Zhang
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ASs want to choose own local routing algorithm ... can make policy choices based on set of ASs in path. can easily avoid loops ...
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Slides used with permissions from Edward W. Knightly, T. S. Eugene Ng, Ion ... Very small but aggressive mammal that ferociously attacks and kills much larger ...
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Slides used with permissions from Edward W. Knightly, T. S. ... MPEG Player. program. UDP. IP. ATM. Driver. RTP protocol. UDP protocol. IP protocol. IP protocol ...
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Two-dimensional parity. Checksum. Cyclic ... How many bits of error can be detected by a parity bit? What's the overhead? 0110100 ... Two-dimensional Parity ...
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A. Hosts. Count. Class. T. S. Eugene Ng eugeneng at cs.rice.edu ... Class A address 12.X.X.X has 413 entries in routing table. Prefix lengths 8--24. attbi.com ...
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The source field of a frame that arrives on a port tells which hosts are ... For each frame received, stores the source address in the forwarding database ...
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CD = Collision Detection ... If no collision detected, consider packet delivered. ... When a sender detects a collision, it sends a 'jam signal' ...
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Receivers join a multicast group which is identified by a multicast address (e.g. ... How is join implemented? How is send implemented? ...
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Shortest path (RIP, OSPF) Most load-balanced. QoS routing (satisfies ... RIP: Based on Distance-Vector ... Routing Information Protocol (RIP), based on ...
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