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2006 This document makes no technical changes to RFC 1832 and is published for the purposes of noting IANA considerations, augmenting security considerations, and distinguishing normative from informative
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optional – optional data is notated similarly to C pointers, but is represented as the data type "pointed to" with a
Boolean "present or not" flag. Semantically this is
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order; smaller data types still occupy four bytes each after encoding. Variable-length types such as string and opaque are padded to a total divisible by four bytes.
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The XDR standard exists in three different versions in the following RFCs:
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1995 version. Added
Quadruple precision floating point to RFC 1014.
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The XDR data format is in use by many systems, including:
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The GNU Libc implementation of rpcgen, the XDR parser.
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main xdr source file used in
Firebird remote protocol
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R language and environment for statistical computing
898:, and first widely published in 1987. XDR became an
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152:. Unsourced material may be challenged and removed.
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1286:Mu Dynamics Research Labs racc grammar for XDR
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1201:"XDR: External Data Representation Standard"
930:Open Network Computing Remote Procedure Call
53:Learn how and when to remove these messages
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230:Learn how and when to remove this message
212:Learn how and when to remove this message
110:Learn how and when to remove this message
1531:Comparison of data-serialization formats
1154:Comparison of data serialization formats
73:This article includes a list of general
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894:XDR was developed in the mid 1980s at
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1180:from the original on 1 February 2021
150:adding citations to reliable sources
937:backup software (later sold by EMC)
79:it lacks sufficient corresponding
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1131:Structured Data eXchange Format (
1038:unsigned hyper – unsigned 64-bit
34:This article has multiple issues.
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1026:unsigned int – unsigned 32-bit
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867:and is also independent of the
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42:or discuss these issues on the
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161:"External Data Representation"
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1144:Abstract Syntax Notation One
838:External Data Representation
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1207:. Network Working Group.
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851:format, for uses such as
16:Data serialization format
986:virtualization library,
1565:Data modeling languages
1004:Stellar Payment Network
94:more precise citations.
880:Floating-point numbers
1139:Remote Procedure Call
1094:– discriminated union
1550:Networking standards
1114:– zero byte quantity
957:Binary Wire Protocol
146:improve this article
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202:February 2017
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163: –
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157:Find sources:
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135:This article
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100:February 2017
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1275:protocol.cpp
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1218:. Retrieved
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1182:. Retrieved
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841:
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144:Please help
139:verification
136:
106:
97:
78:
50:
43:
37:
36:Please help
33:
1484:MessagePack
1479:FlatBuffers
1469:Cap'n Proto
1246:references.
1119:option type
1065:enumeration
920:File System
777:IEEE 802.16
772:IEEE 802.15
767:IEEE 802.11
691:IEEE 802.11
662:Frame Relay
92:introducing
1544:Categories
1269:jsxdrapi.c
1160:References
876:big-endian
762:IEEE 802.3
686:Q.922 LAPF
657:IEEE 802.3
637:IEEE 802.2
424:Named pipe
172:newspapers
75:references
39:improve it
1370:Web Token
1256:RFC
1249:RFC
1241:RFC
1070:structure
1059:quadruple
905:in 1995.
797:Bluetooth
782:IEEE 1394
742:SONET/SDH
703:1.
588:2.
566:AppleTalk
510:3.
464:4.
415:5.
369:6.
261:7.
246:OSI model
45:talk page
1515:uuencode
1220:July 11,
1205:RFC 1014
1184:10 March
1178:Archived
1126:See also
903:standard
886:format.
884:IEEE 754
861:decoding
857:encoding
846:standard
356:more....
1355:EDIFACT
1330:formats
1040:integer
1034:integer
1028:integer
1022:integer
1016:boolean
984:libvirt
970:Ganglia
954:HTTP-NG
890:History
844:) is a
429:NetBIOS
350:NETCONF
186:scholar
88:improve
1504:Cyphal
1499:Thrift
1462:UBJSON
1452:Base64
1447:Base32
1417:Binary
1106:opaque
1099:opaque
1075:string
1054:double
941:NetCDF
717:RS-449
712:RS-232
679:
540:ICMPv6
340:Telnet
304:HTTP/3
295:Gopher
188:
181:
174:
167:
159:
77:, but
1430:ASN.1
1392:Rebol
1092:union
1087:array
1081:array
1052:IEEE
1048:float
977:sFlow
732:I.431
727:I.430
617:CSLIP
561:IS-IS
546:IPsec
453:X.225
449:SOCKS
393:ASCII
388:ASN.1
252:layer
193:JSTOR
179:books
1520:yEnc
1506:DSDL
1474:CBOR
1457:BSON
1442:Avro
1407:YAML
1397:TOML
1360:JSON
1345:Atom
1258:1014
1251:1832
1243:4506
1222:2011
1186:2023
1133:SDXF
1112:void
1108:data
1101:data
1045:IEEE
996:The
990:and
982:The
975:The
968:The
961:The
952:The
946:The
924:NDMP
900:IETF
681:LAPB
677:X.25
652:L2TP
632:PLIP
622:SLIP
612:HDLC
607:SDLC
571:X.25
551:IGMP
536:ICMP
529:IPv6
524:IPv4
493:QUIC
488:DCCP
483:SCTP
439:PPTP
378:MIME
345:DHCP
335:SNMP
330:SMTP
320:SMPP
300:HTTP
270:NNTP
165:news
1510:XDR
1435:SMI
1425:AMF
1402:XML
1387:RDF
1350:CSV
1209:doi
988:API
918:ZFS
842:XDR
792:USB
757:DSL
752:OTN
747:PON
737:PDH
672:PPP
647:MAC
642:LLC
627:GFP
602:ARP
597:ATM
576:PLP
556:IPX
498:SPX
478:UDP
473:TCP
444:RTP
434:SAP
403:PGP
398:TLS
383:XDR
325:SSH
315:NTP
310:NFS
290:FTP
285:DNS
280:SSI
275:SIP
250:by
148:by
1546::
1203:.
1176:.
992:UI
871:.
519:IP
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1320:e
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1135:)
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840:(
826:e
819:t
812:v
542:)
538:(
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190:·
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176:·
169:·
142:.
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98:(
84:.
55:)
51:(
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