IP - The Internet Protocol - Donald Bren School of Information and ...
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IP - The Internet Protocol
Magda El Zarki Dept. of CS UC Irvine
Email: elzarki@uci.edu
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Overview
IP (Internet Protocol) is a Network Layer Protocol.
Several versions ? most popular (IPv4). It is specified in RFC 891.
Gaining popularity is IPv6 due to increased addressing space and security handling.
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IP and the Internet Architecture
ICMP ARP
TCP
IP
Network Access
Media
UDP
Transport Layer
IGMP
Network Layer
Link Layer
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IP: The waist of the hourglass
IP is the waist of the hourglass of the Internet protocol architecture
Multiple higher-layer protocols
Multiple lower-layer protocols
Only one protocol at the network layer.
Applications HTTP FTP SMTP
TCP UDP
IP
Data link layer protocols
Physical layer protocols
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The Internet protocol
IP is the highest layer protocol which is implemented at BOTH routers and hosts
Application
Application protocol
Application
TCP
TCP protocol
TCP
IP
IP protocol
IP
IP protocol
IP
IP protocol
Data Link
Data Link
Data Link
Data Link
Data Link
Data Link
Data Link
Data Link
Host
Router
Router
IP
Network Access
Host
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