Introduction to Internet Protocol
2.1 Introduction
In the previous lesson you had learnt about the evolution of Internet and the various resources needed to access the Internet . This lesson gives you a detailed working of protocols that are involved in the access of Internet .
2.3 Internet Protocols
The Internet protocol suite has many protocols in each layer. The following diagram depicts the internet protocol suite.
Five Layered TCP/IP suites
Layer | Protocol |
---|---|
Application Layer | DNS.DHCP.FTP.HTTP.IMAP.SMTP.POP3.IRC.. |
Transport Layer | TCP.UDP.DCCP.SCTP.RTP.RSVP.IGMP.. |
Network Layer | IP(IPv4 . IPv6) . OSPF . IS-IS . BGP . ARP . RARP . RIP . ICMP . ICMPv6 . (more) |
Data link Layer | LAN. Wi-Fi. Ethernet. Token ring. FDDI. ISDN (more) |
Physical Layer | Modems . Optical Fiber . Coaxial cable, Twisted pair |
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