FUNCTIONS OF OSI LAYERS T S Pradeep Kumar VIT Chennai http://www.pradeepkumar.org
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- 1. FUNCTIONS OF OSI LAYERS T S Pradeep Kumar VIT Chennai http://www.pradeepkumar.org
- 2. PHYSICAL LAYER Representation of bits Data Rate Synchronization of bits line configuration physical topology Transmission mode Eg: IEEE802.1x, PON, OTN, DSL, USB, Bluetooth, etc
- 3. DATA LINK LAYER Framing physical addressing flow control error control access control Eg: LLC, Frame relay, PPP, ATM,
- 4. NETWORK LAYER logical addressing routing Eg: IPv4, IPv6, ICMP, IGMP, IPX, AppleTalk
- 5. TRANSPORT LAYER Service point addressing segmentation and reassembly connection control flow control error control TCP, UDP, SCTP, DCCP
- 6. SESSION LAYER dialog control synchronization Named Pipe, NetBIOS, RTP, SOCKS
- 7. PRESENTATION LAYER translation encryption compression MIME, XDR
- 8. APPLICATION LAYER network virtual terminal file transfer, access and management email services directory services NFS, SMTP, SNMP, Telnet, DHCP, HTTP, FTP
- 9. Questions????
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