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RFC 3317


Differentiated Services Quality of Service Policy Information Base

Part 4 of 4, p. 90 to 96
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9.   Acknowledgments

   Early versions of this specification were also co-authored by Michael
   Fine, John Seligson, Carol Bell, Andrew Smith, and Francis

   This PIB builds on all the work that has gone into the Informal
   Management Model for DiffServ Routers and Management Information Base
   for the Differentiated Services Architecture.

   It has been developed with the active involvement of many people, but
   most notably Diana Rawlins, Martin Bokaemper, Walter Weiss, and Bert

10.  Security Considerations

   The information contained in a PIB when transported by the COPS
   protocol [COPS-PR] may be sensitive, and its function of provisioning
   a PEP requires that only authorized communication take place.

   In this PIB, there are no PRCs which are sensitive in their own
   right, such as passwords or monetary amounts.  But there are a number
   of PRCs in this PIB that may contain information that may be
   sensitive from a business perspective, in that they may represent a
   customer's service contract or the filters that the service provider
   chooses to apply to a customer's traffic.  These PRCs have a PIB-
   ACCESS clause of install:

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   dsDataPathTable, dsClfrTable, dsClfrElementTable, dsMeterTable,
   dsTBParamTable, dsActionTable, dsDscpMarkActTable, dsAlgDropTable,
   dsMQAlgDropTable, dsRandomDropTable, dsQTable, dsSchedulerTable,
   dsMinRateTable, dsMaxRateTable

   Malicious altering of the above PRCs may affect the DiffServ behavior
   of the device being provisioned.

   Malicious access of the above PRCs exposes policy information
   concerning how the device is provisioned.

   This PIB also contain PRCs with PIB-ACCESS clause of notify:

   dsBaseIfCapsTAble, dsIfClassificationCapsTable,
   dsIfMeteringCapsTable, dsIfAlgDropCapsTable, dsIfQueueCapsTable,
   dsIfSchedulerCapsTable, dsIfMaxRateCapsTable, dsIfElmDepthCapsTable,

   Malicious access of the above PRCs exposes information concerning the
   device being provisioned.

   The use of IPSEC between PDP and PEP, as described in [COPS],
   provides the necessary protection.

11.  Intellectual Property Considerations

   The IETF has been notified of intellectual property rights claimed in
   regard to some or all of the specification contained in this
   document.  For more information consult the online list of claimed

12.  IANA Considerations

   This document describes the dsPolicyPib Policy Information Base (PIB)
   modules for standardization under the "pib" branch registered with
   IANA.  The IANA has assigned a PIB number (4) under the "pib" branch.

   [SPPI] PIB SUBJECT-CATEGORIES are mapped to COPS Client Types.  IANA
   Considerations for SUBJECT-CATEGORIES follow the same requirements as
   specified in [COPS] IANA Considerations for COPS Client Types.  The
   DiffServ QoS PIB defines a new COPS Client Type in the Standards
   space.  The IANA has assigned a COPS client type diffServ (2) as
   described in [COPS] IANA Considerations.  IANA has updated the
   registry ( for COPS
   Client Types as a result.

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13.  Normative References

   [COPS]          Boyle, J., Cohen, R., Durham, D., Herzog, S., Rajan,
                   R. and A. Sastry, "The COPS (Common Open Policy
                   Service) Protocol", RFC 2748, January 2000.

   [COPS-PR]       Chan, K., Durham, D., Gai, S., Herzog, S.,
                   McCloghrie, K., Reichmeyer, F., Seligson, J.,
                   Smith, A. and R. Yavatkar, "COPS Usage for
                   Policy Provisioning", RFC 3084, March 2001.

   [SPPI]          McCloghrie, K., Fine,  M., Seligson, J., Chan, K.,
                   Hahn, S., Sahita, R., Smith, A. and F. Reichmeyer,
                   "Structure of Policy Provisioning Information",
                   RFC 3159, August 2001.

   [DSARCH]        Carlson, M., Weiss, W., Blake, S., Wang, Z., Black,
                   D. and E. Davies, "An Architecture for Differentiated
                   Services", RFC 2475, December 1998.

   [DSFIELD]       Nichols, K., Blake, S., Baker, F. and D. Black,
                   "Definition of the Differentiated Services Field
                   (DS Field) in the IPv4 and IPv6 Headers", RFC 2474,
                   December 1998.

   [FR-PIB]        Fine, M., McCloghrie, K., Seligson, J., Chan,  K.,
                   Hahn, S., Sahita, R., Smith, A. and  F. Reichmeyer,
                   "Framework Policy Information Base", RFC 3318,
                   March 2003.

   [RAP-FRAMEWORK] Yavatkar, R. and D. Pendarakis, "A Framework for
                   Policy-based Admission Control", RFC 2753, January

   [SNMP-SMI]      McCloghrie, K., Perkins, D., Schoenwaelder, J.,
                   Case, J., Rose, M. and S. Waldbusser, "Structure
                   of Management Information Version 2 (SMIv2)",
                   STD 58, RFC 2578, April 1999.

   [MODEL]         Bernet, Y., Blake, S., Grossman, D. and A. Smith
                   "An Informal Management Model for Diffserv Routers",
                   RFC 3290, May 2002.

   [IFMIB]         McCloghrie, K. and F. Kastenholz, "The Interfaces
                   Group MIB", RFC 2863, June 2000.

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   [DS-MIB]        Baker, F., Chan, K. and A. Smith, "Management
                   Information Base for the Differentiated Services
                   Architecture", RFC 3289, May 2002.

   [ACTQMGMT]      Firoiu, V. and M. Borden, "A Study of Active Queue
                   Management for Congestion Control", March 2000, In
                   IEEE Infocom 2000,

   [AQMROUTER]     Misra, V., Gong, W. and D. Towsley, "Fluid-based
                   analysis of a network of AQM routers supporting TCP
                   flows with an application to RED", In SIGCOMM 2000,

   [AF-PHB]        Heinanen, J., Baker, F., Weiss, W. and J. Wroclawski,
                   "Assured Forwarding PHB Group", RFC 2597, June 1999.

   [EF-PHB]        Jacobson, V., Nichols, K. and K. Poduri, "An
                   Expedited Forwarding PHB", RFC 2598, June 1999.

   [INTSERVMIB]    Baker, F., Krawczyk, J. and A. Sastry, "Integrated
                   Services Management Information Base using SMIv2",
                   RFC 2213, September 1997.

   [QUEUEMGMT]     Braden, B., Clark, D., Crowcroft, J., Davie, B.,
                   Deering, S., Estrin, D., Floyd, S., Jacobson, V.,
                   Minshall, G., Partridge, C., Peterson, L.,
                   Ramakrishnan, K., Shenker, S., Wroclawski, J.
                   and L. Zhang, "Recommendations on Queue Management
                   and Congestion Avoidance in the Internet", RFC 2309,
                   April 1998.

   [SRTCM]         Heinanen, J. and R. Guerin, "A Single Rate Three
                   Color Marker", RFC 2697, September 1999.

   [TRTCM]         Heinanen, J. and R. Guerin, "A Two Rate Three Color
                   Marker", RFC 2698, September 1999.

   [TSWTCM]        Fang, W., Seddigh, N. and B. Nandy, "A Time Sliding
                   Window Three Colour Marker", RFC 2859, June 2000.

   [RFC2026]       Bradner, S., "The Internet Standards Process --
                   Revision 3", BCP 9, RFC 2026, October 1996.

   [RFC2119]       Bradner, S., "Key words for use in RFCs to Indicate
                   Requirement Levels", BCP 14, RFC 2119, March 1997.

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   [RFC2579]       McCloghrie, K., Perkins, D., Schoenwaelder, J., Case,
                   J., Rose, M. and S. Waldbusser, "Textual Conventions
                   for SMIv2", STD 58, RFC 2579, April 1999.

   [SHAPER]        Bonaventure, O. and S. De Cnodder, "A Rate Adaptive
                   Shaper for Differentiated Services", RFC 2963,
                   October 2000.

   [POLTERM]       Westerinen, A., Schnizlein, J., Strassner, J.,
                   Scherling, M., Quinn, B., Herzog, S., Huynh, A.,
                   Carlson, M., Perry, J. and S. Waldbusser,
                   "Terminology for Policy-Based Management",
                   RFC 3198, November 2001.

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14.  Authors' Addresses

   Kwok Ho Chan
   Nortel Networks, Inc.
   600 Technology Park Drive
   Billerica, MA 01821 USA

   Phone: +1 978 288 8175

   Ravi Sahita
   Intel Labs.
   2111 NE 25th Avenue
   Hillsboro, OR 97124 USA

   Phone: +1 503 712 1554

   Scott Hahn
   2111 NE 25th Avenue
   Hillsboro, OR 97124 USA

   Phone: +1 503 264 8231

   Keith McCloghrie
   Cisco Systems, Inc.
   170 West Tasman Drive
   San Jose, CA  95134-1706 USA

   Phone: +1 408 526 5260

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