RFC 3317 (rfc3317) - Page 2 of 96

Differentiated Services Quality of Service Policy Information Base

RFC 3317          DiffServ QoS Policy Information Base        March 2003


Table of Contents

   Conventions used in this document...................................3
   1. Glossary.........................................................3
   2. Introduction.....................................................3
   3. Relationship to the DiffServ Informal Management Model...........3
     3.1. PIB Overview.................................................4
   4. Structure of the PIB.............................................6
     4.1. General Conventions..........................................6
     4.2. DiffServ Data Paths..........................................7
       4.2.1. Data Path PRC............................................7
     4.3. Classifiers..................................................8
       4.3.1. Classifier PRC...........................................9
       4.3.2. Classifier Element PRC...................................9
     4.4. Meters.......................................................9
       4.4.1. Meter PRC...............................................10
       4.4.2. Token-Bucket Parameter PRC..............................10
     4.5. Actions.....................................................10
       4.5.1. DSCP Mark Action PRC....................................11
     4.6. Queueing Elements...........................................11
       4.6.1. Algorithmic Dropper PRC.................................11
       4.6.2. Random Dropper PRC......................................12
       4.6.3. Queues and Schedulers...................................14
     4.7. Specifying Device Capabilities..............................16
   5. PIB Usage Example...............................................17
     5.1. Data Path Example...........................................17
     5.2. Classifier and Classifier Element Example...................18
     5.3. Meter Example...............................................21
     5.4. Action Example..............................................21
     5.5. Dropper Examples............................................22
       5.5.1. Tail Dropper Example....................................22
       5.5.2. Single Queue Random Dropper Example.....................23
       5.5.3. Multiple Queue Random Dropper Example...................23
     5.6.   Queue and Scheduler Example...............................26
   6. Summary of the DiffServ PIB.....................................27
   7. PIB Operational Overview........................................28
   8. PIB Definition..................................................29
   9. Acknowledgments.................................................90
   10. Security Considerations........................................90
   11. Intellectual Property Considerations...........................91
   12. IANA Considerations............................................91
   13. Normative References...........................................92
   14. Authors' Addresses.............................................95
   15. Full Copyright Statement.......................................96







Chan, et al.                 Informational