Tech Review Linux: Thursday, September 6, 2012

User Datagram Protocol (UDP)

http://en.wikipedia.org/wiki/User_Datagram_Protocol

• core member of the internet protocol suite (see below)
• can send with no previous communication

Internet protocol suite

http://en.wikipedia.org/wiki/Internet_protocol_suite

• Internet Protocols
• Application Layer
• FTP
• HTTP
• SSH
• Telnet
• iSCSI
• Transport Layer
• TCP (Transmission Control Protocol)
• UDP (User Datagram Protocol)
• Internet Layer
• IP
• IPv4
• IPv6
• Link Layer
• media access control (MAC)
• Ethernet
• DSL
• ISDN

Open System Interconnection (OSI) Model

http://en.wikipedia.org/wiki/OSI_model

• Application Layer
• HTTP
• Presentation Layer
• MIME
• Session Layer
• PPTP
• SOCKS
• Transport Layer
• TCP (Transmission Control Protocol)
• UDP (User Datagram Protocol)
• Network Layer
• IP
• Data Link Layer
• IEEE 802.2
• ATM
• Pyhsical Layer
• USB
• Bluetooth
• IEEE 802.3

iSCSI (Internet Small Computer System Interface)

http://en.wikipedia.org/wiki/ISCSI

• sends SCSI commands over the internet
• storage area network (SAN) protocol
• uses TCP (Transmission Control Protocol)
• application layer in the Internet protocol suite