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     Network Working Group                                    Bernard Aboba
     INTERNET-DRAFT                                               Microsoft
     Category: Informational
     <draft-aboba-rpsl-00.txt>
     21 November 1997
     
     
                  Lightweight Directory Access Protocol (v3):
     Schema for the Routing Policy Specification Language (RPSL)
     
     
     1.  Status of this Memo
     
     This document is an Internet-Draft.  Internet-Drafts are working docu-
     ments of the Internet Engineering Task Force (IETF),  its  areas,  and
     its  working groups.  Note that other groups may also distribute work-
     ing documents as Internet-Drafts.
     
     Internet-Drafts are draft documents valid for a maximum of six  months
     and  may  be updated, replaced, or obsoleted by other documents at any
     time.  It is inappropriate to use Internet-Drafts as  reference  mate-
     rial or to cite them other than as ``work in progress.''
     
     To  learn  the  current status of any Internet-Draft, please check the
     ``1id-abstracts.txt'' listing contained in the Internet-Drafts  Shadow
     Directories   on   ds.internic.net   (US  East  Coast),  nic.nordu.net
     (Europe), ftp.isi.edu (US West Coast), or munnari.oz.au (Pacific Rim).
     
     The  distribution  of  this memo is unlimited.  It is filed as <draft-
     aboba-rpsl-00.txt>, and  expires June 1, 1998. Please send comments to
     the authors.
     
     
     2.  Abstract
     
     This  document  defines  a schema for the Routing Policy Specification
     Language (RPSL).  It is expected that this schema will  be  useful  in
     providing  a  standardized  format  for  representation of RPSL within
     LDAP-based directory services.
     
     
     3.  Introduction
     
     The  Routing  Policy  Specification  Language  (RPSL),  described   in
     [6]-[8],  provides a means for the high-level specification of routing
     policies.  To date,  efforts  at  representing  routing  policies,  as
     descrbed  in [9]-[10], have relied on proprietary schemas.  This docu-
     ment describes how routing policies may be represented  in  LDAP-based
     directory services.
     
     
     
     
     
     
     
     
     Aboba                                                         [Page 1]


     INTERNET-DRAFT                                        21 November 1997
     
     
     4.  Object definitions
     
     
     The RPSL schema includes definition of the following objects:
     
     RPSL Person Class
     RPSL Entry Class
     Dictionary object
     Maintainer object (mntner)
     Autonomous system number objects (autNum)
     Route objects (route)
     Set objects (asSet, routeSet)
     Router objects (inetRtr)
     Tunnel objects (inetTunnel)
     
     
     4.1.  RPSL Person Class
     
        ( rpslPersonClass 1
            NAME 'rpslOrgPerson'
            SUP organizationalPerson
            STRUCTURAL
            MUST nicHdl
        )
     
     
     4.2.  RPSL Entry
     
        ( rpsl rpslEntry 1
            NAME 'rpslEntry'
            SUP top
            ABSTRACT
            MUST (
                cn $ descr $ techC $ adminC $ mntBy $
                changed $ source
            )
            MAY (
                remarks $ notify
            )
        )
     
     
     4.3.  Dictionary object
     
        ( rpsl rpslDictionary 1
            NAME 'rpslDictionary'
            SUP rpslEntry
            STRUCTURAL
            MUST (
                dictionaryName
            )
            MAY (
                rpAttribute $ typeDef $ protocol
            )
     
     
     
     Aboba                                                         [Page 2]


     INTERNET-DRAFT                                        21 November 1997
     
     
        )
     
     
     4.4.  Maintainer Object Class
     
        ( rpsl mntner 1
            NAME 'mntner'
            SUP rpslEntry
            STRUCTURAL
            MUST (
            mntnerName $ auth $ updTo
            )
            MAY (
                mntNfy
            )
        )
     
     
     4.5.  Autonomous System Number Object Class
     
        ( rpsl autNum 1
            NAME 'autNum'
            SUP rpslEntry
            STRUCTURAL
            MUST (
                asNumber $ asName $ autNumGuardian
            )
            MAY (
                memberOf $ asIn $ asOut $ default $ igpToEgp $
                egpToIgp
            )
        )
     
     
     4.6.  Route Object Class
     
        ( rpsl route 1
            NAME 'route'
            SUP rpslEntry
            STRUCTURAL
            MUST (
                addressPrefix $ origin
            )
            MAY (
                withdrawn $ memberOf $ injectAt $ aggregateBy $
                exportComponents $ holes
            )
        )
     
     
     4.7.  AS-Set Object Class
     
        ( rpsl asSet 1
            NAME 'asSet'
     
     
     
     Aboba                                                         [Page 3]


     INTERNET-DRAFT                                        21 November 1997
     
     
            SUP rpslEntry
            STRUCTURAL
            MUST (
                asSetName
            )
            MAY (
                asSetMembers $ asSetMembersByReferral
            )
        )
     
     
     4.8.  Route-Set Object Class
     
        ( rpsl routeSet 1
            NAME 'routeSet'
            SUP rpslEntry
            STRUCTURAL
            MUST (
                routeSetName
            )
            MAY (
                routeSetMembers $ routeSetMembersByReferral
            )
        )
     
     
     4.9.  Router Object Class
     
        ( rpsl inetRtr 1
            NAME 'inetRtr'
            SUP rpslEntry
            STRUCTURAL
            MUST (
                rtrName $ localAs $ ifAddr $
                inetRtrGuardian
            )
            MAY (
                alias $ peer
            )
        )
     
     
     4.10.  Tunnel Object Class
     
        ( rpsl inetTunnel 1
            NAME 'inetTunnel'
            SUP rpslEntry
            STRUCTURAL
            MUST (
                TunnelName $ tunnelSource $ tunnelSink $ tunneProtocol $
               tunnelIn $ tunnelOut $ inetTunnelGuardian
            )
        )
     
     
     
     
     Aboba                                                         [Page 4]


     INTERNET-DRAFT                                        21 November 1997
     
     
     5.  Attribute definitions
     
     
     
     5.1.  New Attribute Types Used in the RPSL Person Class
     
        ( rpsl rpslPersonClass 2
            NAME 'nicHdl'
            DESC 'the handle by which a person is referred to by the NIC'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
     
     
     5.2.  New Attribute Types Used in the RPSL Entry Object Class
     
     
        ( rpsl rpslEntry 2
            NAME 'descr'
            DESC 'a description of the object'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
        ( rpsl rpslEntry 3
            NAME 'techC'
            DESC 'the technical contact of the resource'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl rpslEntry 4
            NAME 'adminC'
            DESC 'the administrative contact of the resource'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl rpslEntry 5
            NAME 'remarks'
            DESC 'An explanation or clarification'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl rpslEntry 6
            NAME 'notify'
            DESC 'the email address of the entity to notify in case of
                  Problems with the resource'
     
     
     
     Aboba                                                         [Page 5]


     INTERNET-DRAFT                                        21 November 1997
     
     
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl rpslEntry 7
            NAME 'mntBy'
            DESC 'Distinguished Name of maintainer object'
            EQUALITY distinguishedNameMatch
            SUBSTRINGS distinguishedNameMatch
            SYNTAX DN
         )
     
        ( rpsl rpslEntry 8
            NAME 'changed'
            DESC 'the email name of who last changed the resource and
                  the date of when it was changed'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl rpslEntry 9
            NAME 'source'
            DESC 'the registry name from which the information came'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
     
     5.3.  New Attribute Types Used in the Dictionary Object Class
     
        ( rpsl rpslDictionary 2
            NAME 'dictionaryName'
            DESC 'the name of the dictionary'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl rpslDictionary 3
            NAME 'rpAttribute'
            DESC 'routing policy attribute or feature extension'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
        )
     
        ( rpsl rpslDictionary 4
            NAME 'typeDef'
            DESC 'dictionary defined type'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
     
     
     
     Aboba                                                         [Page 6]


     INTERNET-DRAFT                                        21 November 1997
     
     
            SYNTAX 'DirectoryString'
        )
     
        ( rpsl rpslDictionary 5
            NAME 'protocol'
            DESC 'protocol set and peering options'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
        )
     
     
     5.4.  New Attribute Types Used in the Maintainer Object Class
     
        ( rpsl mntner 2
            NAME 'mntnerName'
            DESC 'the name of the maintainer'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
        ( rpsl mntner 3
            NAME 'auth'
            DESC 'The scheme that will be used to identify and authenticate
                 Update requests'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl mntner 4
            NAME 'updTo'
            DESC 'an email address to notify on an unauthorized
                 update of the resource'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl mntner 5
            NAME 'mntNfy'
            DESC 'An email adddress to notify whenever an object is
                 added, changed or deleted'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
     
     5.5.   New Attribute Types Used in the Autonomous System Number Object
     Class
     
        ( rpsl autNum 2
            NAME 'asNumber'
            DESC 'the autonomous sytem number'
     
     
     
     Aboba                                                         [Page 7]


     INTERNET-DRAFT                                        21 November 1997
     
     
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl autNum 3
            NAME 'asName'
            DESC 'the autonomous system name'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl autNum  4
            NAME 'memberOf'
            DESC 'the as-set object name of which this as is a member'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl autNum 5
            NAME 'asIn'
            DESC 'import policy specification'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl autNum 6
            NAME 'asOut'
            DESC 'export policy specification'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl autNum 7
            NAME 'default'
            DESC 'default policy specification'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl autNum 8
            NAME 'igpToEgp'
            DESC 'specification for how routes from the interAS routing protocol
                  are injected into the IGP protocol'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl autNum 9
     
     
     
     Aboba                                                         [Page 8]


     INTERNET-DRAFT                                        21 November 1997
     
     
            NAME 'egpToIgp'
            DESC 'specification for how routes from the IGP protocol are injected
                  into the interAS routing protocol.'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl autNum 10
            NAME 'autNumGuardian'
            DESC 'the e-mail address of the guardian of the resource'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
     )
     
     
     5.6.  New Attribute Types Used in the Route Object Class
     
        ( rpsl route 2
            NAME 'addressPrefix'
            DESC 'the address prefix for the route'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl route 3
            NAME 'origin'
            DESC 'the AS number in which the route originates'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
        ( rpsl route  4
            NAME 'withdrawn'
            DESC 'the date at which the route was withdrawn'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl route  5
            NAME 'memberOf'
            DESC 'the date at which the route was withdrawn'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
     
     
     Aboba                                                         [Page 9]


     INTERNET-DRAFT                                        21 November 1997
     
     
        ( rpsl route  6
            NAME 'injectAt'
            DESC 'specifies static routes to inject'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpl route  7
            NAME 'aggregateBy'
            DESC 'specifies component routes used to form the aggregate'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl route  8
            NAME 'exportComponents'
            DESC 'a filter matching the routes that need to be exported'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl route  9
            NAME 'holes'
            DESC 'component address prefixes not reachable through the
                 aggregate route'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
     
     5.7.  New Attribute Types Used in the AS-Set Object Class
     
        ( rpsl asSet 2
            NAME 'asSetName'
            DESC 'the AS-SET name'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
        ( rpsl asSet 3
            NAME 'asSetMembers'
            DESC 'list of address prefixes'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
     
     
     
     Aboba                                                        [Page 10]


     INTERNET-DRAFT                                        21 November 1997
     
     
        )
     
        ( rpsl asSet  4
            NAME 'asSetMembersByReferral'
            DESC 'list of maintainer classes'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
     
     5.8.  New Attribute Types Used in the Route-Set Object Class
     
        ( rpsl routeSet 2
            NAME 'routeSetName'
            DESC 'the route set name'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl routeSet 3
            NAME 'routeSetMembers'
            DESC 'list of address prefixes'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl routeSet  4
            NAME 'routeSetMembersByReferral'
            DESC 'list of maintainer classes'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
     
     5.9.  New Attribute Types Used in the Router Object Class
     
        ( rpsl inetRtr 2
            NAME 'rtrName'
            DESC 'the name of the router'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl inetRtr  3
     
     
     
     Aboba                                                        [Page 11]


     INTERNET-DRAFT                                        21 November 1997
     
     
            NAME 'alias'
            DESC 'other names by which the router is known'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl inetRtr  4
            NAME 'localAs'
            DESC 'the local AS in which the router resides'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl inetRtr 5
            NAME 'ifAddr'
            DESC 'a string describing an interface address on the router'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl inetRtr  6
            NAME 'peer'
            DESC 'a string describing relationships with peer routers'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl inetRtr 7
            NAME 'inetRtrGuardian'
            DESC 'the e-mail address of the guardian of the resource'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
     
     5.10.  New Attribute Types Used in the Tunnel Object Class
     
        ( rpsl inetTunnel 2
            NAME 'tunnelName'
            DESC 'the name of the tunnel'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
        ( rpsl inetTunnel  3
            NAME 'tunnelSource'
            DESC 'the source of the tunnel'
            EQUALITY caseIgnoreMatch
     
     
     
     Aboba                                                        [Page 12]


     INTERNET-DRAFT                                        21 November 1997
     
     
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl inetTunnel 4
            NAME ' tunnelSink'
            DESC 'the sink of the tunnel'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
         )
     
        ( rpsl inetTunnel 5
            NAME 'tunnelProtocol'
            DESC 'the protocol to be run inside the tunnel. Values include
                  BGP, RPv6, DVMRP, PIM-DM, and PIM-SM'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
        ( rpsl inetTunnel 6
            NAME 'tunnelIn'
            DESC 'a string describing the inbound routing policy'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl inetTunnel 7
            NAME 'tunnelOut'
            DESC 'a string describing the outbound routing policy'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString' )
     
        ( rpsl inetTunnel 8
            NAME 'inetTunnelGuardian'
            DESC 'the e-mail address of the guardian of the resource'
            EQUALITY caseIgnoreMatch
            SUBSTRINGS caseIgnoreSubstringsMatch
            SYNTAX 'DirectoryString'
            SINGLE-VALUE
        )
     
     
     6.  Acknowledgments
     
     Thanks to Gurdeep Singh Pall and Narendra  Gidwani  of  Microsoft  for
     useful discussions of this problem space.
     
     
     
     
     
     Aboba                                                        [Page 13]


     INTERNET-DRAFT                                        21 November 1997
     
     
     7.  References
     
     [1]   W. Yeong, T. Howes, S. Kille, "Lightweight Directory Access Pro-
     tocol."  RFC 1777, March, 1995.
     
     [2] "Information Processing Systems - Open Systems  Interconnection  -
     The  Directory: Overview of Concepts, Models and Service." ISO/IEC JTC
     1/SC21, International Standard 9594-1, 1988.
     
     [3] "Information Processing Systems - Open Systems  Interconnection  -
     The  Directory: Selected Object Classes." Recommendation X.521 ISO/IEC
     JTC 1/SC21, International Standard 9594-7, 1993.
     
     [4] M.Wahl, A. Coulbeck, T. Howes, S.  Kille,  "Lightweight  Directory
     Access  Protocol: Standard and Pilot Attribute Definitions. " Internet
     Draft   (work   in   progress),   October    1996,    draft-ietf-asid-
     ldapv3-attributes-03.txt.
     
     [5]  Y.  Yaacovi,  K.  Settle, "Lightweight Directory Access Protocol:
     Extensions for Dynamic Directory Services. " Internet Draft  (work  in
     progress), June 1996, draft-ietf-asid-ldapv3ext-00.txt, Microsoft.
     
     [6]  D. Meyer, "Representing Tunnels in RPSL." Internet Draft (work in
     progress), November 1996, draft-ietf-rps-tunnels-00.txt, University of
     Oregon.
     
     [7] C. Allaettinoglu, T. Bates, E. Gerich, D. Karrenberg, M. Terpstra,
     C. Villamizar, "Routing Policy Specification Language (RPSL),"  Inter-
     net   Draft   (work  in  progress),  November,  1996,  draft-ietf-rps-
     rpsl-00.txt, USC/ISI, Cisco Systems, @HOME, RIPE, Bay Networks, ANS.
     
     [8] C. Allaettinouglu, D. Meyer, J. Schmitz, "Application  of  Routing
     Policy  Specification Language (RPSL) on the Internet," Internet Draft
     (work  in  progress),  March,  1997,  draft-ietf-rps-appl-rpsl-00.txt,
     USC/ISI, University of Oregon, DFN-NOC.
     
     [9]  T. Bates, E. Gerich, L. Joncheray, J-M. Jouanigot, D. Karrenberg,
     M. Terpstra, and J. Yu, "Representation of IP Routing  Policies  in  a
     Routing  Registry," Technical Report ripe-181, RIPE, RIPE NCC, Amster-
     dam, Netherlands, October 1994.
     
     [10] T. Bates, J-M. Jouanigot, D.  Karrenberg,  P.  Lothberg,  and  M.
     Terpstra,   "Representation   of  IP  Routing  Policies  in  the  RIPE
     Database,"  Technical  Report  ripe-81,  RIPE,  RIPE  NCC,  Amsterdam,
     Netherlands, February, 1993.
     
     [11] How to register in RADB. http://www.ra.net/RADB.tools.docs/.
     
     
     8.  Authors' Addresses
     
     Bernard Aboba
     Microsoft Corporation
     One Microsoft Way
     
     
     
     Aboba                                                        [Page 14]


     INTERNET-DRAFT                                        21 November 1997
     
     
     Redmond, WA 98052
     
     Phone: 206-936-6605
     EMail: bernarda@microsoft.com
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     
     Aboba                                                        [Page 15]
     

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