OSI 七层协议图


PRESENTATION LAYER PHYSICAL LAYER • Interfaces between network medium and network devices • Defines electrical and mechanical characteristics DATA LINK LAYER • Frames packets • Controls physical layer data flow NETWORK LAYER • Addresses and routes packets TRANSPORT LAYER • Manages network layer connections • Provides reliable packet delivery mechanism SESSION LAYER • Specifies architecture- independent data transfer format • Encodes and decodes data; encrypts and decrypts data; compresses data APPLICATION LAYER • Provides interface to end-user processes • Provides standardized services to applications 802.2 Ethernet V.2 Internetwork NETWORK ASSOCIATES GUIDE TO COMMUNICATIONS PROTOCOLS TCP/IP Presentation Services SNA Transaction Services Ethernet V.2 ARPA Services SLIP Serial Line IP CSLIP Compressed Slip RUNIX Remote UNIX Services Novell NetWare IBM Protocols ISO NetWare Lite NDS NetWare Directory Services RPL Remote Program Load NCP NetWare Core Protocol IPX WAN 2 Path ControlDLSw Data Link Switching SSP Switch to Switch Protocol IS-IS Intermediate System to Intermediate System Dual IS-IS ACSE - Association Control Service Element ROSE - Remote Operation Service Element RTSE - Reliable Transfer Service Element DECnet Phase IV ES-IS End System to Intermediate System DAP Data Access Protocol XNS Xerox Network System XNS Courier Bulk Data Transfer Protocol GAP Gateway Access Protocol XNS Application Services Application Support Virtual TerminalFiling Mail Printing AARP AppleTalk Address Resolution Protocol ADSP AppleTalk Data Stream Protocol AEP AppleTalk Echo Protocol NBP Name Binding Protocol ZIP Zone Information Protocol ATP AppleTalk Transaction Protocol AppleTalk AFP AppleTalk Filing Protocol Postscript Banyan VINES PAP Printer Access Protocol VRTP/VSRTP VINES (Sequenced) Routing Update Protocol VICP VINES Internet Control Protocol VARP/VSARP VINES (Sequenced) Address Resolution Protocol ISO-DE ISO Development Environment XNS Courier Message Stream Object Stream Block Stream VIP VINES Internet Protocol LANs WANs Ethernet Data Link Control Ethernet 50 ohm coax Thin Wire 50 ohm coax Broadband 75 ohm coax Ethernet Token Ring FDDI ATM DRP DECnet Routing Protocol Connection-oriented Session Protocol LAT Local Area Transport Protocol SCS LAVC ASP AppleTalk Session Protocol Keiwet Session Protocol X.25 Packet Level Protocol (Not through X.25) DSI, DS3 SONET DSI, DS3 SONET ISDN Frame Relay Modem Standards (via X.25) ISDN Integrated Services Digital Network SMDS ISDN-B 64 Kbps ISDN-D 16 Kbps BRI 64 Kbps PRI ISDN H 384 Kbps H11 1.536 Mbps H12 1.92 Mbps BRI - Basic Rate Interface PRI - Primary Rate Interface V.35 LAP -A IBM Channel PPP Point to Point SMDS Switched Multi-megabit Data service SDLC Synchronous Data Link Control V.21 AT&T 103 300 bps V.22 AT&T 212 1200 bps AT&T 209 9600 bps V.22 bis 2400 bps V.26 2400 bps V.26 bis 2400 bps V.27 bis 4800 bps V.29 9600 bps V.32 9600 bps V.32 bis 14.4 kbps V.42 Error Correction via MNP5 or LAPM V.42 bis Data Compression using L-Z derivative From TCP/IP TCP From ISO TP4 From SNI To Frame Relay From ATM AURP AppleTalk Update-based Routing Protocol RTMP Routing Table Maintenance Protocol VINES Application Services StreetTalk, Mail(IM-III), Network Mgmt., Server Service, PC Backend, VINES Security, Echotest, File Service, Talk, Async, STDA, Deflector, Diagnostic, NetBIOS over VINES, Print Service, Semaphore, SNA Service, SX Service Hewlett-Packard Network Services Network File Transfer Remote Database Access RFA Remote File Access Remote Process Comm. Virtual Terminal FTP File Transfer Protocol HTTP HyperText Transfer Protocol TELNET Virtual Terminal SMTP Simple Mail Transfer Protocol RIP Routing Information Protocol NLSP NetWare Link Services Protocol Transmission Control TPO, TP1, TP2, TP3, TP4 TRANSPORT PROTOCOL From SDLC Synchronous Data Link Control To SMDS To SMDS AAL1 CBR AAL2 VBR AAL ATM - Adaption Layer ATM - Layer Asynchronous Transfer Mode AAL3/4 AAL5 Data VLANs Virtual LANs From DECnet NSP X Windows System (X10 / X11) XDR External Data Representation SNMP Simple Network Mgmt. Protocol v1, v2, v2c Ipr Remote Print rcp Remote Copy rexec Remote Execution login Remote Login rsh Remote Shell SUN Network Services NLM Network Lock Mgr. Statd Status Daemon NFS Network File System PMAP Port Mapper BOOTP Bootstrap Protocol DHCP Dynamic Host Configuration Protocol NTP Network Time Protocol TFTP Trivial File Transfer Protocol RIP Routing Information OSPF Open Shortest Path First Routing BGP Border Gateway EGP Exterior Gateway GGP Gateway to Gateway IGRP/EIGRP Interior Gateway Routing CISCO Burst Mode SAP Service Advertising Protocol SPX, SPX2 Sequenced Packet Exchange LU6.2 Logical Unit X-25 Packet Level Protocol CONP Connection- oriented Network Protocol CLNP Connectionless Network Protocol NETWORK PROTOCOL NICE Network Information and Command Exchange Protocol CTERM Network Command Terminal RIP Routing Information Protocol Error Protocol Echo Protocol IDP Internetwork Datagram Protocol EIA RS-232D or V.24 RS-449 RS-423 Unbalanced RS-422-A Balanced HDLC LAPB (ISO) 7776) High-level Data Link Control Link Access Procedure RPC Remote Procedure Call LPP Lightweight Presentation Protocol DDM Distributed Data Mgmt. DCA Document Content Architecture SNA/FS File Services DIA Document Interchange Architecture SNA/MS SNA Mgmt. Services SNA/DS SNA Distributed Services To NetBIOS ISO NetBIOS To NetBIOS To NetBIOS SPP Sequence Packet Protocol PEP Packet Exchange Protocol SIP SMDS Interface Protocol To IPX MOP Maintenance Operations Protocol FOUND Foundation Services From Broadband ISDN 1 BASE5 StarLAN 10 BROAD 36 10 BASE-T Twisted Pair 10 BASE5 Thick 10BASE2 Thin 10 BASE-F (A or P) Fiber 802.2 Logical Link Control IEEE 802.5 Token Passing Ring Media Access Control IEEE 802.12 VG-AnyLAN IEEE 802.3 CSMA/CD Media Access Control Sub Network Access Protocol (SNAP) Type 1 Connectionless Service Type 2 Connection Service Type 3 ACK Connectionless Service NSP Network Services Protocol DNA From IP From VIPC 3270 Data Stream To Oracle TNS NAMED PIPES for OS/2 To DDP From UDP To IP To ARP From IPX From VSPP From TCP ND Network Disk From IPX From PPTP VINES NETRPC SMB UDP User Datagram Protocol QLLC Qualified Logical Link Control HPR High Performance Routing APPN Advanced Peer-to-Peer Networking TCP Transmission Control Protocol To NetBIOS VIPC VINES Interprocess Communications Protocol CMIP Common Mgmt. Information Protocol ROSE DS Directory Services X.500 ROSE FTAM File Transfer Access and Mgmt. MHS Mail Handling Service X.400 RTSE ODA Office Document Architecture VT Virtual Terminal MMS Manufacturing Messaging Service ACSE ACSE From UDP IP Internet Protocol From VIPC From CDP ICMP Internet Control Message Protocol To VFRP To ISO-TP To IPX To NetBIOS To DLSw SSP To PPTP From VIPC To VFRP To VFRP DVMRP Distance Vector Multicast Routing Protocol IGMP Internet Group Mgmt. Protocol RSVP Resource Reservation Protocol To VFRP To NetBIOS & SMB From VIPC From IPX To VFRP To VINES NETRPC RARP Reverse ARP ARP Address Resolution Protocol 100 BASET 100 BASEX SNI Subscriber Network Interface DSO PLCP - 64 Kbps G.703 PLCP DS1 PLCP - T1 - 1.544 Mbps DS3 PLCP - T3 - 45 Mbps SONET Fiber Optic Shielded Twisted Pair 4/16 Mbps UTP 4/16 Unshielded Twisted Pair SDDI Shielded Copper CDDI Copper Twisted Pair FDDI Fiber Optic VFRP VINES Fragmentation Protocol DDP Datagram Delivery Protocol Apple - LAP Link Access Protocol VSPP VINES Sequenced Packet Protocol ACSE ACSE ACSE ACSE ACSE Connection-oriented Presentation Protocol ASN.1 IPX – Internetwork Packet Exchange DAP Lightweight Directory Access Protocol DNS Domain Name System CMOT (CMIP over TCP/IP) (see also ISO) Data Flow Control 3270 Data Stream SCS SNA Character Stream IPDS Intelligent Printer Data Stream Browse File Print Named Pipes SMB Server Message Block NetBEUI From TCP/ IP From IPX From SPP From VIPCFrom NBP From NSP From ISO NetBIOS Mount ANSI T-1.617 NXD Frame Format NIS YP Network Information System X.25 PAD Packet Assembler/ Disassembler Protocol X.3, X.28, X.29 DNS Distributed Name Server SCP Session Control Protocol FDDI Token Passing Ring Media Access Control ANSI IEEE 802.6 Metropolitan Area Network DQDB Media Access Control

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