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The Internet Protocols. COMT 539. Protocol Overview. E-Mail HTTP (WWW) Remote Login File Transfer. TCP UDP. IP ICMP ARP RARP (Auxiliary Services). X.25 Packet Layer. Ethernet, X.25, HDLC etc. Network Hierarchy. - PowerPoint PPT Presentation
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COMT 539
The Internet Protocols
COMT 539
COMT 539
Protocol Overview
Ethernet, X.25, HDLC etc.
IP ICMP ARP RARP (Auxiliary Services)
TCP UDP
E-Mail HTTP (WWW) Remote LoginFile Transfer
X.25 PacketLayer
COMT 539
Network Hierarchy
“Backbone”“Gateway”
COMT 539
Connection Types in TCP/IP
Data Link Layer and Physical Network
Network Layer
Transport Layer TCP: Connection Oriented
UDP: Connection-less
Connection-less
Depends on the network
COMT 539
IP HeaderVersion
Timeout Protocol Header Checksum
Source Address
Destination Address
Header Len Class of Service
Total Length
Identification
D M Fragment Position
COMT 539
UDP Header
Source Port Destination Port
Length Checksum
COMT 539
TCP Header
Source Port Destination Port
Sequence Number
Acknowledgement Number
Window (flow cntrl)misc Flags
Checksum Urgent
Options
COMT 539
IP Addresses are 32 bits long, originally using one of threeformats:
COMT 539
Address Notation
Dotted Decimal:– 192.149.89.61/24 =
1100 0000 1001 0101 0101 1001 0011 1101 = C0 95 59 3D
– 132.235.75.17/24 The Network:
– 192.149.89.0 Broadcast on that network:
– 192.149.89.255
