Rfc5201
TitleHost Identity Protocol
AuthorR. Moskowitz, P. Nikander, P. Jokela, Ed., T. Henderson
DateApril 2008
Format:TXT=240492 bytes
Obsoleted byRFC7401
Updated byRFC6253
Status:EXPERIMENTAL

Rfc5202
TitleUsing the Encapsulating Security Payload (ESP) Transport Format with the Host Identity Protocol (HIP)
AuthorP. Jokela, R. Moskowitz, P. Nikander
DateApril 2008
Format:TXT=68195 bytes
Obsoleted byRFC7402
Status:EXPERIMENTAL

Rfc5203
TitleHost Identity Protocol (HIP) Registration Extension
AuthorJ. Laganier, T. Koponen, L. Eggert
DateApril 2008
Format:TXT=26620 bytes
Status:EXPERIMENTAL

Rfc5204
TitleHost Identity Protocol (HIP) Rendezvous Extension
AuthorJ. Laganier, L. Eggert
DateApril 2008
Format:TXT=30233 bytes
Obsoleted byRFC8004
Status:EXPERIMENTAL

Rfc5205
TitleHost Identity Protocol (HIP) Domain Name System (DNS) Extensions
AuthorP. Nikander, J. Laganier
DateApril 2008
Format:TXT=34799 bytes
Obsoleted byRFC8005
Status:EXPERIMENTAL

Rfc5206
TitleEnd-Host Mobility and Multihoming with the Host Identity Protocol
AuthorP. Nikander, T. Henderson, Ed., C. Vogt, J. Arkko
DateApril 2008
Format:TXT=99430 bytes
Obsoleted byRFC8046
Status:EXPERIMENTAL

Rfc5207
TitleNAT and Firewall Traversal Issues of Host Identity Protocol (HIP) Communication
AuthorM. Stiemerling, J. Quittek, L. Eggert
DateApril 2008
Format:TXT=27873 bytes
Status:INFORMATIONAL

Rfc5208
TitlePublic-Key Cryptography Standards (PKCS) #8: Private-Key Information Syntax Specification Version 1.2
AuthorB. Kaliski
DateMay 2008
Format:TXT=12063 bytes
Obsoleted byRFC5958
Status:INFORMATIONAL

Rfc5209
TitleNetwork Endpoint Assessment (NEA): Overview and Requirements
AuthorP. Sangster, H. Khosravi, M. Mani, K. Narayan, J. Tardo
DateJune 2008
Format:TXT=132227 bytes
Status:INFORMATIONAL

Rfc5210
TitleA Source Address Validation Architecture (SAVA) Testbed and Deployment Experience
AuthorJ. Wu, J. Bi, X. Li, G. Ren, K. Xu, M. Williams
DateJune 2008
Format:TXT=58363 bytes
Status:EXPERIMENTAL

Rfc5211
TitleAn Internet Transition Plan
AuthorJ. Curran
DateJuly 2008
Format:TXT=17158 bytes
Status:INFORMATIONAL

Rfc5212
TitleRequirements for GMPLS-Based Multi-Region and Multi-Layer Networks (MRN/MLN)
AuthorK. Shiomoto, D. Papadimitriou, JL. Le Roux, M. Vigoureux, D. Brungard
DateJuly 2008
Format:TXT=70286 bytes
Status:INFORMATIONAL

Rfc5213
TitleProxy Mobile IPv6
AuthorS. Gundavelli, Ed., K. Leung, V. Devarapalli, K. Chowdhury, B. Patil
DateAugust 2008
Format:TXT=226902 bytes
Updated byRFC6543, RFC7864
Status:PROPOSED STANDARD

Rfc5214
TitleIntra-Site Automatic Tunnel Addressing Protocol (ISATAP)
AuthorF. Templin, T. Gleeson, D. Thaler
DateMarch 2008
Format:TXT=30126 bytes
ObsoletesRFC4214
Status:INFORMATIONAL

Rfc5215
TitleRTP Payload Format for Vorbis Encoded Audio
AuthorL. Barbato
DateAugust 2008
Format:TXT=54327 bytes
Status:PROPOSED STANDARD

Rfc5216
TitleThe EAP-TLS Authentication Protocol
AuthorD. Simon, B. Aboba, R. Hurst
DateMarch 2008
Format:TXT=71599 bytes
ObsoletesRFC2716
Status:PROPOSED STANDARD

Rfc5217
TitleMemorandum for Multi-Domain Public Key Infrastructure Interoperability
AuthorM. Shimaoka, Ed., N. Hastings, R. Nielsen
DateJuly 2008
Format:TXT=64814 bytes
Status:INFORMATIONAL

Rfc5218
TitleWhat Makes for a Successful Protocol?
AuthorD. Thaler, B. Aboba
DateJuly 2008
Format:TXT=58409 bytes
Status:INFORMATIONAL

Rfc5219
TitleA More Loss-Tolerant RTP Payload Format for MP3 Audio
AuthorR. Finlayson
DateFebruary 2008
Format:TXT=42830 bytes
ObsoletesRFC3119
Status:PROPOSED STANDARD

Rfc5220
TitleProblem Statement for Default Address Selection in Multi-Prefix Environments: Operational Issues of RFC 3484 Default Rules
AuthorA. Matsumoto, T. Fujisaki, R. Hiromi, K. Kanayama
DateJuly 2008
Format:TXT=33661 bytes
Status:INFORMATIONAL

Rfc5221
TitleRequirements for Address Selection Mechanisms
AuthorA. Matsumoto, T. Fujisaki, R. Hiromi, K. Kanayama
DateJuly 2008
Format:TXT=13732 bytes
Status:INFORMATIONAL

Rfc5222
TitleLoST: A Location-to-Service Translation Protocol
AuthorT. Hardie, A. Newton, H. Schulzrinne, H. Tschofenig
DateAugust 2008
Format:TXT=123252 bytes
Updated byRFC6848
Status:PROPOSED STANDARD

Rfc5223
TitleDiscovering Location-to-Service Translation (LoST) Servers Using the Dynamic Host Configuration Protocol (DHCP)
AuthorH. Schulzrinne, J. Polk, H. Tschofenig
DateAugust 2008
Format:TXT=14936 bytes
Status:PROPOSED STANDARD

Rfc5224
TitleDiameter Policy Processing Application
AuthorM. Brenner
DateMarch 2008
Format:TXT=10283 bytes
Status:INFORMATIONAL

Rfc5225
TitleRObust Header Compression Version 2 (ROHCv2): Profiles for RTP, UDP, IP, ESP and UDP-Lite
AuthorG. Pelletier, K. Sandlund
DateApril 2008
Format:TXT=246120 bytes
Status:PROPOSED STANDARD

Rfc5226
TitleGuidelines for Writing an IANA Considerations Section in RFCs
AuthorT. Narten, H. Alvestrand
DateMay 2008
Format:TXT=66160 bytes
ObsoletesRFC2434
Obsoleted byRFC8126
Status:BEST CURRENT PRACTICE

Rfc5227
TitleIPv4 Address Conflict Detection
AuthorS. Cheshire
DateJuly 2008
Format:TXT=53548 bytes
UpdatesRFC0826
Status:PROPOSED STANDARD

Rfc5228
TitleSieve: An Email Filtering Language
AuthorP. Guenther, Ed., T. Showalter, Ed.
DateJanuary 2008
Format:TXT=87531 bytes
ObsoletesRFC3028
Updated byRFC5229, RFC5429, RFC6785
Status:PROPOSED STANDARD

Rfc5229
TitleSieve Email Filtering: Variables Extension
AuthorK. Homme
DateJanuary 2008
Format:TXT=20023 bytes
UpdatesRFC5228
Updated byRFC5173
Status:PROPOSED STANDARD

Rfc5230
TitleSieve Email Filtering: Vacation Extension
AuthorT. Showalter, N. Freed, Ed.
DateJanuary 2008
Format:TXT=29822 bytes
Status:PROPOSED STANDARD

Rfc5231
TitleSieve Email Filtering: Relational Extension
AuthorW. Segmuller, B. Leiba
DateJanuary 2008
Format:TXT=15243 bytes
ObsoletesRFC3431
Status:PROPOSED STANDARD

Rfc5232
TitleSieve Email Filtering: Imap4flags Extension
AuthorA. Melnikov
DateJanuary 2008
Format:TXT=21964 bytes
Status:PROPOSED STANDARD

Rfc5233
TitleSieve Email Filtering: Subaddress Extension
AuthorK. Murchison
DateJanuary 2008
Format:TXT=12448 bytes
ObsoletesRFC3598
Status:PROPOSED STANDARD

Rfc5234
TitleAugmented BNF for Syntax Specifications: ABNF
AuthorD. Crocker, Ed., P. Overell
DateJanuary 2008
Format:TXT=26359 bytes
ObsoletesRFC4234
Updated byRFC7405
AlsoSTD0068
Status:INTERNET STANDARD

Rfc5235
TitleSieve Email Filtering: Spamtest and Virustest Extensions
AuthorC. Daboo
DateJanuary 2008
Format:TXT=25957 bytes
ObsoletesRFC3685
Status:PROPOSED STANDARD

Rfc5236
TitleImproved Packet Reordering Metrics
AuthorA. Jayasumana, N. Piratla, T. Banka, A. Bare, R. Whitner
DateJune 2008
Format:TXT=57805 bytes
Status:INFORMATIONAL

Rfc5237
TitleIANA Allocation Guidelines for the Protocol Field
AuthorJ. Arkko, S. Bradner
DateFebruary 2008
Format:TXT=9303 bytes
UpdatesRFC2780
AlsoBCP0037
Status:BEST CURRENT PRACTICE

Rfc5238
TitleDatagram Transport Layer Security (DTLS) over the Datagram Congestion Control Protocol (DCCP)
AuthorT. Phelan
DateMay 2008
Format:TXT=24394 bytes
Status:PROPOSED STANDARD

Rfc5239
TitleA Framework for Centralized Conferencing
AuthorM. Barnes, C. Boulton, O. Levin
DateJune 2008
Format:TXT=146927 bytes
Status:PROPOSED STANDARD

Rfc5240
TitleProtocol Independent Multicast (PIM) Bootstrap Router MIB
AuthorB. Joshi, R. Bijlani
DateJune 2008
Format:TXT=42636 bytes
Status:PROPOSED STANDARD

Rfc5241
TitleNaming Rights in IETF Protocols
AuthorA. Falk, S. Bradner
Date1 April 2008
Format:TXT=25304 bytes
Status:INFORMATIONAL

Rfc5242
TitleA Generalized Unified Character Code: Western European and CJK Sections
AuthorJ. Klensin, H. Alvestrand
Date1 April 2008
Format:TXT=31314 bytes
Status:INFORMATIONAL

Rfc5243
TitleOSPF Database Exchange Summary List Optimization
AuthorR. Ogier
DateMay 2008
Format:TXT=11029 bytes
Status:INFORMATIONAL

Rfc5244
TitleDefinition of Events for Channel-Oriented Telephony Signalling
AuthorH. Schulzrinne, T. Taylor
DateJune 2008
Format:TXT=55321 bytes
UpdatesRFC4733
Status:PROPOSED STANDARD

Rfc5245
TitleInteractive Connectivity Establishment (ICE): A Protocol for Network Address Translator (NAT) Traversal for Offer/Answer Protocols
AuthorJ. Rosenberg
DateApril 2010
Format:TXT=285120 bytes
ObsoletesRFC4091, RFC4092
Obsoleted byRFC8445
Updated byRFC6336
Status:PROPOSED STANDARD

Rfc5246
TitleThe Transport Layer Security (TLS) Protocol Version 1.2
AuthorT. Dierks, E. Rescorla
DateAugust 2008
Format:TXT=222395 bytes
ObsoletesRFC3268, RFC4346, RFC4366
Obsoleted byRFC8446
UpdatesRFC4492
Updated byRFC5746, RFC5878, RFC6176, RFC7465, RFC7507, RFC7568, RFC7627, RFC7685, RFC7905, RFC7919, RFC8447
Status:PROPOSED STANDARD

Rfc5247
TitleExtensible Authentication Protocol (EAP) Key Management Framework
AuthorB. Aboba, D. Simon, P. Eronen
DateAugust 2008
Format:TXT=193535 bytes
UpdatesRFC3748
Status:PROPOSED STANDARD

Rfc5248
TitleA Registry for SMTP Enhanced Mail System Status Codes
AuthorT. Hansen, J. Klensin
DateJune 2008
Format:TXT=23845 bytes
UpdatesRFC3463, RFC4468, RFC4954
AlsoBCP0138
Status:BEST CURRENT PRACTICE

Rfc5249
TitleTemplates for Internet-Drafts Containing MIB Modules
AuthorD. Harrington, Ed.
DateJuly 2008
Format:TXT=7362 bytes
AlsoBCP0139
Status:BEST CURRENT PRACTICE

Rfc5250
TitleThe OSPF Opaque LSA Option
AuthorL. Berger, I. Bryskin, A. Zinin, R. Coltun
DateJuly 2008
Format:TXT=37657 bytes
ObsoletesRFC2370
Status:PROPOSED STANDARD

Rfc5251
TitleLayer 1 VPN Basic Mode
AuthorD. Fedyk, Ed., Y. Rekhter, Ed., D. Papadimitriou, R. Rabbat, L. Berger
DateJuly 2008
Format:TXT=57599 bytes
Status:PROPOSED STANDARD

Rfc5252
TitleOSPF-Based Layer 1 VPN Auto-Discovery
AuthorI. Bryskin, L. Berger
DateJuly 2008
Format:TXT=23232 bytes
Status:PROPOSED STANDARD

Rfc5253
TitleApplicability Statement for Layer 1 Virtual Private Network (L1VPN) Basic Mode
AuthorT. Takeda, Ed.
DateJuly 2008
Format:TXT=42675 bytes
Status:INFORMATIONAL

Rfc5254
TitleRequirements for Multi-Segment Pseudowire Emulation Edge-to-Edge (PWE3)
AuthorN. Bitar, Ed., M. Bocci, Ed., L. Martini, Ed.
DateOctober 2008
Format:TXT=64584 bytes
Status:INFORMATIONAL

Rfc5255
TitleInternet Message Access Protocol Internationalization
AuthorC. Newman, A. Gulbrandsen, A. Melnikov
DateJune 2008
Format:TXT=41403 bytes
Status:PROPOSED STANDARD

Rfc5256
TitleInternet Message Access Protocol - SORT and THREAD Extensions
AuthorM. Crispin, K. Murchison
DateJune 2008
Format:TXT=40779 bytes
Status:PROPOSED STANDARD

Rfc5257
TitleInternet Message Access Protocol - ANNOTATE Extension
AuthorC. Daboo, R. Gellens
DateJune 2008
Format:TXT=58786 bytes
Status:EXPERIMENTAL

Rfc5258
TitleInternet Message Access Protocol version 4 - LIST Command Extensions
AuthorB. Leiba, A. Melnikov
DateJune 2008
Format:TXT=65074 bytes
Status:PROPOSED STANDARD

Rfc5259
TitleInternet Message Access Protocol - CONVERT Extension
AuthorA. Melnikov, Ed., P. Coates, Ed.
DateJuly 2008
Format:TXT=63831 bytes
Status:PROPOSED STANDARD

Rfc5260
TitleSieve Email Filtering: Date and Index Extensions
AuthorN. Freed
DateJuly 2008
Format:TXT=25735 bytes
Status:PROPOSED STANDARD

Rfc5261
TitleAn Extensible Markup Language (XML) Patch Operations Framework Utilizing XML Path Language (XPath) Selectors
AuthorJ. Urpalainen
DateSeptember 2008
Format:TXT=78036 bytes
Status:PROPOSED STANDARD

Rfc5262
TitlePresence Information Data Format (PIDF) Extension for Partial Presence
AuthorM. Lonnfors, E. Leppanen, H. Khartabil, J. Urpalainen
DateSeptember 2008
Format:TXT=28527 bytes
Status:PROPOSED STANDARD

Rfc5263
TitleSession Initiation Protocol (SIP) Extension for Partial Notification of Presence Information
AuthorM. Lonnfors, J. Costa-Requena, E. Leppanen, H. Khartabil
DateSeptember 2008
Format:TXT=32556 bytes
Status:PROPOSED STANDARD

Rfc5264
TitlePublication of Partial Presence Information
AuthorA. Niemi, M. Lonnfors, E. Leppanen
DateSeptember 2008
Format:TXT=30594 bytes
Status:PROPOSED STANDARD

Rfc5265
TitleMobile IPv4 Traversal across IPsec-Based VPN Gateways
AuthorS. Vaarala, E. Klovning
DateJune 2008
Format:TXT=86254 bytes
Status:PROPOSED STANDARD

Rfc5266
TitleSecure Connectivity and Mobility Using Mobile IPv4 and IKEv2 Mobility and Multihoming (MOBIKE)
AuthorV. Devarapalli, P. Eronen
DateJune 2008
Format:TXT=33186 bytes
AlsoBCP0136
Status:BEST CURRENT PRACTICE

Rfc5267
TitleContexts for IMAP4
AuthorD. Cridland, C. King
DateJuly 2008
Format:TXT=36709 bytes
Updated byRFC5465
Status:PROPOSED STANDARD

Rfc5268
TitleMobile IPv6 Fast Handovers
AuthorR. Koodli, Ed.
DateJune 2008
Format:TXT=113090 bytes
ObsoletesRFC4068
Obsoleted byRFC5568
Status:PROPOSED STANDARD

Rfc5269
TitleDistributing a Symmetric Fast Mobile IPv6 (FMIPv6) Handover Key Using SEcure Neighbor Discovery (SEND)
AuthorJ. Kempf, R. Koodli
DateJune 2008
Format:TXT=32742 bytes
Status:PROPOSED STANDARD

Rfc5270
TitleMobile IPv6 Fast Handovers over IEEE 802.16e Networks
AuthorH. Jang, J. Jee, Y. Han, S. Park, J. Cha
DateJune 2008
Format:TXT=42358 bytes
Status:INFORMATIONAL

Rfc5271
TitleMobile IPv6 Fast Handovers for 3G CDMA Networks
AuthorH. Yokota, G. Dommety
DateJune 2008
Format:TXT=49316 bytes
Status:INFORMATIONAL

Rfc5272
TitleCertificate Management over CMS (CMC)
AuthorJ. Schaad, M. Myers
DateJune 2008
Format:TXT=167138 bytes
ObsoletesRFC2797
Updated byRFC6402
Status:PROPOSED STANDARD

Rfc5273
TitleCertificate Management over CMS (CMC): Transport Protocols
AuthorJ. Schaad, M. Myers
DateJune 2008
Format:TXT=14030 bytes
Updated byRFC6402
Status:PROPOSED STANDARD

Rfc5274
TitleCertificate Management Messages over CMS (CMC): Compliance Requirements
AuthorJ. Schaad, M. Myers
DateJune 2008
Format:TXT=27380 bytes
Updated byRFC6402
Status:PROPOSED STANDARD

Rfc5275
TitleCMS Symmetric Key Management and Distribution
AuthorS. Turner
DateJune 2008
Format:TXT=207920 bytes
Status:PROPOSED STANDARD

Rfc5276
TitleUsing the Server-Based Certificate Validation Protocol (SCVP) to Convey Long-Term Evidence Records
AuthorC. Wallace
DateAugust 2008
Format:TXT=27422 bytes
Status:PROPOSED STANDARD

Rfc5277
TitleNETCONF Event Notifications
AuthorS. Chisholm, H. Trevino
DateJuly 2008
Format:TXT=70878 bytes
Status:PROPOSED STANDARD

Rfc5278
TitleIANA Registration of Enumservices for Voice and Video Messaging
AuthorJ. Livingood, D. Troshynski
DateJuly 2008
Format:TXT=39745 bytes
Updated byRFC6118
Status:PROPOSED STANDARD

Rfc5279
TitleA Uniform Resource Name (URN) Namespace for the 3rd Generation Partnership Project (3GPP)
AuthorA. Monrad, S. Loreto
DateJuly 2008
Format:TXT=11582 bytes
Status:INFORMATIONAL

Rfc5280
TitleInternet X.509 Public Key Infrastructure Certificate and Certificate Revocation List (CRL) Profile
AuthorD. Cooper, S. Santesson, S. Farrell, S. Boeyen, R. Housley, W. Polk
DateMay 2008
Format:TXT=352580 bytes
ObsoletesRFC3280, RFC4325, RFC4630
Updated byRFC6818, RFC8398, RFC8399
Status:PROPOSED STANDARD

Rfc5281
TitleExtensible Authentication Protocol Tunneled Transport Layer Security Authenticated Protocol Version 0 (EAP-TTLSv0)
AuthorP. Funk, S. Blake-Wilson
DateAugust 2008
Format:TXT=117059 bytes
Status:INFORMATIONAL

Rfc5282
TitleUsing Authenticated Encryption Algorithms with the Encrypted Payload of the Internet Key Exchange version 2 (IKEv2) Protocol
AuthorD. Black, D. McGrew
DateAugust 2008
Format:TXT=42137 bytes
UpdatesRFC4306
Status:PROPOSED STANDARD

Rfc5283
TitleLDP Extension for Inter-Area Label Switched Paths (LSPs)
AuthorB. Decraene, JL. Le Roux, I. Minei
DateJuly 2008
Format:TXT=26534 bytes
Status:PROPOSED STANDARD

Rfc5284
TitleUser-Defined Errors for RSVP
AuthorG. Swallow, A. Farrel
DateAugust 2008
Format:TXT=17452 bytes
Status:PROPOSED STANDARD

Rfc5285
TitleA General Mechanism for RTP Header Extensions
AuthorD. Singer, H. Desineni
DateJuly 2008
Format:TXT=36844 bytes
Obsoleted byRFC8285
Status:PROPOSED STANDARD

Rfc5286
TitleBasic Specification for IP Fast Reroute: Loop-Free Alternates
AuthorA. Atlas, Ed., A. Zinin, Ed.
DateSeptember 2008
Format:TXT=71027 bytes
Status:PROPOSED STANDARD

Rfc5287
TitleControl Protocol Extensions for the Setup of Time-Division Multiplexing (TDM) Pseudowires in MPLS Networks
AuthorA. Vainshtein, Y(J). Stein
DateAugust 2008
Format:TXT=33070 bytes
Status:PROPOSED STANDARD

Rfc5288
TitleAES Galois Counter Mode (GCM) Cipher Suites for TLS
AuthorJ. Salowey, A. Choudhury, D. McGrew
DateAugust 2008
Format:TXT=16468 bytes
Status:PROPOSED STANDARD

Rfc5289
TitleTLS Elliptic Curve Cipher Suites with SHA-256/384 and AES Galois Counter Mode (GCM)
AuthorE. Rescorla
DateAugust 2008
Format:TXT=12195 bytes
Status:PROPOSED STANDARD

Rfc5290
TitleComments on the Usefulness of Simple Best-Effort Traffic
AuthorS. Floyd, M. Allman
DateJuly 2008
Format:TXT=48612 bytes
Status:INFORMATIONAL

Rfc5291
TitleOutbound Route Filtering Capability for BGP-4
AuthorE. Chen, Y. Rekhter
DateAugust 2008
Format:TXT=23949 bytes
Status:PROPOSED STANDARD

Rfc5292
TitleAddress-Prefix-Based Outbound Route Filter for BGP-4
AuthorE. Chen, S. Sangli
DateAugust 2008
Format:TXT=10429 bytes
Status:PROPOSED STANDARD

Rfc5293
TitleSieve Email Filtering: Editheader Extension
AuthorJ. Degener, P. Guenther
DateAugust 2008
Format:TXT=17674 bytes
Status:PROPOSED STANDARD

Rfc5294
TitleHost Threats to Protocol Independent Multicast (PIM)
AuthorP. Savola, J. Lingard
DateAugust 2008
Format:TXT=26525 bytes
Status:INFORMATIONAL

Rfc5295
TitleSpecification for the Derivation of Root Keys from an Extended Master Session Key (EMSK)
AuthorJ. Salowey, L. Dondeti, V. Narayanan, M. Nakhjiri
DateAugust 2008
Format:TXT=45622 bytes
Status:PROPOSED STANDARD

Rfc5296
TitleEAP Extensions for EAP Re-authentication Protocol (ERP)
AuthorV. Narayanan, L. Dondeti
DateAugust 2008
Format:TXT=98264 bytes
Obsoleted byRFC6696
Status:PROPOSED STANDARD

Rfc5297
TitleSynthetic Initialization Vector (SIV) Authenticated Encryption Using the Advanced Encryption Standard (AES)
AuthorD. Harkins
DateOctober 2008
Format:TXT=50374 bytes
Status:INFORMATIONAL

Rfc5298
TitleAnalysis of Inter-Domain Label Switched Path (LSP) Recovery
AuthorT. Takeda, Ed., A. Farrel, Ed., Y. Ikejiri, JP. Vasseur
DateAugust 2008
Format:TXT=59894 bytes
Status:INFORMATIONAL