Network management actual
OSI: 7 Hierarchy / functional
application layer application / raw data /
presentation layer format / compression / encryption
session layer session / full / half duplex
transport layer segmentation / reassembly / port number of
a network layer IP address / addressing / routing
the data link layer MAC address / LAN /
physical layer transmission medium / bitstream
TCP / IP: 5-layer structure / function of
the application layer data transport network link physical
TCP / IP: 4-layer structure / function of
application layer network layer transport layer, network interface layer
OSI model and TCP / IP model is the difference between
OSI launched earlier
TCP / IP communication standard today
TCP / IP: the data unit / DU
application layer data DU
transport layer data segment a data segment DU
network layer packet data DU Packet
Data Link Layer frame Frame DU
physical layer 'bit data DU bits
The application layer user information into data transmitted over the Internet
transport layer data into the data segments, and to establish a reliable connection between the sender and the receiver host
network layer data segment into data packets or datagrams, and placed in the header the logical address, so that each data packet can be transmitted via the Internet
data link layer data packet or frame is converted to data packets for transmission in the local network. On the local network, using the hardware address that uniquely identifies each host
physical layer frame into a bit stream, and the digital clock and coding scheme
