rfc776.txt
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TXT
755 行
Network Working Group J. Postel
Request for Comments: 776 ISI
January 1981
Obsoletes RFCs: 770, 762, 758,
755, 750, 739, 604, 503, 433, 349
Obsoletes IENs: 127, 117, 93
ASSIGNED NUMBERS
This Network Working Group Request for Comments documents the currently
assigned values from several series of numbers used in network protocol
implementations. This RFC will be updated periodically, and in any case
current information can be obtained from Jon Postel. The assignment of
numbers is also handled by Jon. If you are developing a protocol or
application that will require the use of a link, socket, port, protocol,
or network number please contact Jon to receive a number assignment.
Jon Postel
USC - Information Sciences Institute
4676 Admiralty Way
Marina del Rey, California 90291
phone: (213) 822-1511
ARPANET mail: POSTEL@ISIF
Most of the protocols mentioned here are documented in the RFC series of
notes. The more prominent and more generally used are documented in the
Protocol Handbook [17] prepared by the Network Information Center (NIC).
Some of the items listed are undocumented. In all cases the name and
mailbox of the responsible individual is indicated. In the lists that
follow a bracketed entry, e.g. [17,iii], at the right hand margin of the
page indicates a reference for the listed protocol, where the number
cites the document and the "iii" cites the person.
Postel [Page 1]
RFC 776 January 1981
Assigned Numbers
Network Numbers
ASSIGNED NETWORK NUMBERS
This list of network numbers is used in the internet address [8], the
field is 8 bits in size.
Assigned Network Numbers
Decimal Octal Name Network References
------- ----- ---- ------- ----------
0 0 Reserved [JBP]
1 1 BBN-PR BBN Packet Radio Network [DCA2]
2 2 SF-PR-1 SF Packet Radio Network (1) [JEM]
3 3 BBN-RCC BBN RCC Network [SGC]
4 4 SATNET Atlantic Satellite Network [DM11]
5 5 SILL-PR Ft. Sill Packet Radio Network [JEM]
6 6 SF-PR-2 SF Packet Radio Network (2) [JEM]
7 7 CHAOS MIT CHAOS Network [MOON]
8 10 CLARKNET SATNET subnet for Clarksburg [DM11]
9 11 BRAGG-PR Ft. Bragg Packet Radio Network [JEM]
10 12 ARPANET ARPANET [17,1,VGC]
11 13 UCLNET University College London [PK]
12 14 CYCLADES CYCLADES [VGC]
13 15 Unassigned [JBP]
14 16 TELENET TELENET [VGC]
15 17 EPSS British Post Office EPSS [PK]
16 20 DATAPAC DATAPAC [VGC]
17 21 TRANSPAC TRANSPAC [VGC]
18 22 LCSNET MIT LCS Network [43,10,DDC2]
19 23 TYMNET TYMNET [VGC]
20 24 DC-PR D.C. Packet Radio Network [VGC]
21 25 EDN DCEC EDN [EC5]
22 26 DIALNET DIALNET [26,16,MRC]
23 27 MITRE MITRE Cablenet [44,APS]
24 30 BBN-LOCAL BBN Local Network [SGC]
25 31 RSRE-PPSN RSRE / PPSN [BD2]
26 32 AUTODIN-II AUTODIN II [EC5]
27 33 NOSC-LCCN NOSC / LCCN [KTP]
28 34 WIDEBAND Wide Band Satellite Network [CJW2]
29 35 DCN-COMSAT COMSAT Dist. Comp. Network [DLM1]
30 36 DCN-UCL UCL Dist. Comp. Network [PK]
31 37 BBN-SAT-TEST BBN SATNET Test Network [DM11]
32 40 UCL-CR1 UCL Cambridge Ring 1 [PK]
33 41 UCL-CR2 UCL Cambridge Ring 2 [PK]
34 42 MATNET Mobile Access Terminal Net [DM11]
35 43 NULL UCL/RSRE Null Network [BD2]
36 44 SU-NET Stanford University Ethernet [MRC]
Postel [Page 2]
RFC 776 January 1981
Assigned Numbers
Network Numbers
37 45 DECNET Digital Equipment Network [DRL]
38 46 DECNET-TEST Test Digital Equipment Net [DRL]
39 47 SRINET SRI Local Network [GEOF]
40 50 CISLNET CISL Multics Network [CH2]
41 51 BBN-LN-TEST BBN Local Network Testbed [KTP]
42-254 50-376 Unassigned [JBP]
255 377 Reserved [JBP]
ASSIGNED INTERNET VERSION NUMBERS
In the Internet Protocol (IP) [33] there is a field to identify the
version of the internetwork general protocol. This field is 4 bits
in size.
Assigned Internet Version Numbers
Decimal Octal Version References
------- ----- ------- ----------
0 0 Reserved [JBP]
1-3 1-3 Unassigned [JBP]
4 4 Internet Protocol [33,JBP]
5 5 ST Datagram Mode [20,JWF]
6-14 6-16 Unassigned [JBP]
15 17 Reserved [JBP]
Postel [Page 3]
RFC 776 January 1981
Assigned Numbers
Internet Protocol Numbers
ASSIGNED INTERNET PROTOCOL NUMBERS
In the Internet Protocol (IP) [33] there is a field, called Protocol,
to identify the the next level protocol. This is an 8 bit field.
Assigned Internet Protocol Numbers
Decimal Octal Protocol Numbers References
------- ----- ---------------- ----------
0 0 Reserved [JBP]
1 1 raw internet datagrams [33,JBP]
2 2 Unassigned [JBP]
3 3 Gateway-to-Gateway [48,49,VMS]
4 4 CMCC Gateway Monitoring Message [18,19,DFP]
5 5 ST [20,JWF]
6 6 TCP [34,JBP]
7 7 UCL [PK]
8 10 Unassigned [JBP]
9 11 Secure [VGC]
10 12 BBN RCC Monitoring [VMS]
11 13 NVP [12,DC]
12 14 PUP [4,EAT3]
13 15 Pluribus [RDB2]
14 16 Telenet [RDB2]
15 17 XNET [25,JFH2]
16 20 Chaos [MOON]
17 21 User Datagram [42,JBP]
18 22 Multiplexing [13,JBP]
19 23 DCN [DLM1]
20 24 TAC Monitoring [RH6]
21-62 25-76 Unassigned [JBP]
63 77 any local network [JBP]
64 100 SATNET and Backroom EXPAK [DM11]
65-68 101-104 Unassigned [JBP]
69 105 SATNET Monitoring [DM11]
70 106 Unassigned [JBP]
71 107 Internet Packet Core Utility [DM11]
72-75 110-113 Unassigned [JBP]
76 114 Backroom SATNET Monitoring [DM11]
77 115 Unassigned [JBP]
78 116 WIDEBAND Monitoring [DM11]
79 117 WIDEBAND EXPAK [DM11]
80-254 120-376 Unassigned [JBP]
255 377 Reserved [JBP]
Postel [Page 4]
RFC 776 January 1981
Assigned Numbers
Port or Socket Numbers
ASSIGNED PORT or SOCKET NUMBERS
Ports are used in the TCP [34] and sockets are used in the AHHP
[28,17] to name the ends of logical connections which carry long term
conversations. For the purpose of providing services to unknown
callers a service contact socket is defined. This list specifies the
port or socket used by the server process as its contact socket. In
the AHHP an Initial Connection Procedure ICP [39,17] is used between
the user process and the server process to make the initial contact
and establish the long term connections leaving the contact socket
free to handle other callers. In the TCP no ICP is necessary since a
port may engage in many simultaneous connections.
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