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El Modelo OSI y la suite de protocolos TCP/IP
|
Modelo OSI |
Modelo TCP/IP | |||
|
7 |
Aplicación |
Procesos de Aplicación |
FTP, HTTP, SMTP, DNS, TFTP, NFS, Telnet, Rlogin |
Datos, Software, Gateways |
|
6 |
Presentación |
ASCII, EBCDIC, MIDI, MPEG, PICT, TIFF, JPEG |
Codificación de Datos, Software, encryption, compression,
redirectors | |
|
5 |
Sesión |
NFS, SQL, RPC |
Datos, Software, client-server | |
|
4 |
Transporte |
Host to Host |
TCP o UDP |
Router, port numbers, flow control, windowing, connection oriented,
connectionless |
|
3 |
Red |
Internet |
IP, ICMP,
ARP, RARP, Ping, Traceroute |
Router,
Brouter, Layer 3 switch, packet, datagram IP addressing, subnets, Path
determination, routed (IP, IPX) and routing (RIP, IGRP)
protocols |
|
2 |
Enlace
de Datos |
Acceso a Red |
IEEE
802.2, 802.3, 802.5 |
Ethernet,
NIC (LLC & MAC address), Bridge, Switch, frame, WAN link protocols
(HDLC etc.) |
|
1 |
Física |
RS
232 EIA/TIA 568 |
Ethernet,
NIC (Physical connectors - BNC, AUI, RJ-45 etc.), Media (cable - coax,
UTP, fiber), Repeater, Hub, DCE & DTE, bits,
encoding |