Transport Layer - Freie Universität Berlin

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Transmission Control Protocol (TCP) The TCP Header Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 8: Transport Layer 8.46
TCP-based Applications File transfer Virtual terminal FTP telnet Electronic Mail World Wide Web SMTP HTTP BGP 20/21 23 25 80 179 Well known TCP ports ● Port number is 16-bit address, currently three different ranges Routing information ● Ports in the range 0-1023 are Well-Known (a.k.a. “system”) ● Ports in the range 1024-49151 are Registered (a.k.a. “user”) ● Ports in the range 49152-65535 are Dynamic/Private ● See for more information: http://www.iana.org/assignments/port-numbers Univ.-Prof. Dr.-Ing. Jochen H. Schiller ▪ cst.mi.fu-berlin.de ▪ Telematics ▪ Chapter 8: Transport Layer 1024 8.47
Page 1 and 2: Telematics Chapter 8: Transport Lay
Page 3 and 4: Design Issues Univ.-Prof. Dr.-Ing.
Page 5 and 6: Services Provided to the Upper Laye
Page 7 and 8: Transport Service Primitives ● Pr
Page 9 and 10: Transport Service Primitives ● A
Page 11 and 12: Transport Protocol: Addressing ●
Page 13 and 14: Transport Protocol: Addressing ●
Page 15 and 16: Transport Protocol: Connection Esta
Page 17 and 18: Transport Protocol: Connection Rele
Page 19 and 20: Transport Protocol: Connection Rele
Page 21 and 22: Transport Protocol: Multiplexing
Page 23 and 24: Transport Protocol: Crash Recovery
Page 25 and 26: Transport Protocols in the TCP/IP R
Page 27 and 28: User Datagram Protocol (UDP) Univ.-
Page 29 and 30: UDP Header ● Source Port, Destina
Page 31 and 32: User Datagram Protocol (UDP) Socket
Page 33 and 34: Example: Java Client (UDP) import j
Page 35 and 36: Transmission Control Protocol (TCP)
Page 37 and 38: TCP as a Reliable Connection If the
Page 39 and 40: TCP: Overview RFCs: 793, 1122, 1323
Page 41 and 42: Socket Programming in TCP Server si
Page 43 and 44: Socket programming in TCP Server (o
Page 45: Example: Java Server (TCP) import j
Page 49 and 50: The TCP Header ● Source and Desti
Page 51 and 52: TCP Pseudo Header ● Checksum: ser
Page 53 and 54: TCP Connection Management: 1. Conne
Page 55 and 56: TCP Connection Management: 2. Data
Page 57 and 58: TCP Connection Management TCP clien
Page 59 and 60: States during a TCP Session State D
Page 61 and 62: Timer Management with TCP ● TCP u
Page 63 and 64: Timer Management with TCP: Example
Page 65 and 66: Timer Management with TCP: Retransm
Page 71 and 72: Transmission Control Protocol (TCP)
Page 73 and 74: TCP Sender Events ● Data received
Page 75 and 76: TCP Retransmission Scenarios SendBa
Page 77 and 78: TCP ACK generation [RFC 1122, RFC 2
Page 79 and 80: TCP Flow Control: Sliding Window
Page 81 and 82: “Silly Window” Syndrome Header
Page 83 and 84: Flow Control: Network Bottlenecks C
Page 85 and 86: Principles of Congestion Control
Page 87 and 88: Causes/costs of congestion: Scenari
Page 89 and 90: Causes/costs of congestion: Scenari
Page 91 and 92: Approaches towards congestion contr
Page 93 and 94: Case study: ATM ABR congestion cont
Page 95 and 96: TCP congestion control: additive in
Page 97 and 98:
TCP Slow Start ● When connection
Page 99 and 100:
TCP Slow Start ● When connection
Page 101 and 102:
Refinement: Inferring loss ● Afte
Page 103 and 104:
Fast Retransmit Timeout Host A Time
Page 105 and 106:
Fast Retransmit and Fast Recovery
Page 107 and 108:
Summary: TCP Congestion Control ●
Page 109 and 110:
Transmission Control Protocol (TCP)
Page 111 and 112:
TCP Futures: TCP over “long, fat
Page 113 and 114:
TCP Fairness ● Fairness goal: if
Page 115 and 116:
Fairness (more) ● Fairness and UD
Page 117 and 118:
TCP in Wireless Networks ● Theore
Page 119 and 120:
TCP and Security: SYN-Flood ● Dur
Page 121 and 122:
Some Tools Univ.-Prof. Dr.-Ing. Joc
Page 123 and 124:
Some Tools ● TTCP - Test TCP ●
Page 125 and 126:
Stream Control Transmission Protoco
Page 127 and 128:
SCTP Multi-Homing ● Ability for a
Page 129 and 130:
SCTP Packet Format ● Common Heade
Page 131 and 132:
SCTP Chunks ● Type (Examples) ●
Page 133 and 134:
SCTP DATA Chunk ● Transmission Se
Page 135 and 136:
Datagram Congestion Control Protoco
Page 137 and 138:
DCCP vs. TCP/UDP ● Choice of cong
Page 139 and 140:
DCCP Generic Header ● Ports ● 1
Page 141 and 142:
DCCP State Diagram a la RFC +------
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Transport Layer - Freie Universität Berlin

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