RFC 2805 (rfc2805) - Page 2 of 45

Media Gateway Control Protocol Architecture and Requirements

RFC 2805            MG Control Protocol Requirements          April 2000


Table of Contents

   1.  Introduction ..............................................  3
   2.  Terminology ...............................................  3
   3.  Definitions ...............................................  3
   4.  Specific functions assumed within the MG ..................  5
   5.  Per-Call Requirements .....................................  6
      5.1.  Resource Reservation .................................  6
      5.2.  Connection Requirements ..............................  7
      5.3.  Media Transformations ................................  8
      5.4.  Signal/Event Processing and Scripting ................  9
      5.5.  QoS/CoS .............................................. 10
      5.6.  Test Support ......................................... 11
      5.7.  Accounting ........................................... 11
      5.8.  Signalling Control ................................... 11
   6.  Resource Control .......................................... 12
      6.1.  Resource Status Management ........................... 12
      6.2.  Resource Assignment .................................. 13
   7.  Operational/Management Requirements ....................... 13
      7.1.  Assurance of Control/Connectivity .................... 13
      7.2.  Error Control ........................................ 14
      7.3.  MIB Requirements ..................................... 15
   8.  General Protocol Requirements ............................. 15
      8.1.  MG-MGC Association Requirements ...................... 16
      8.2.  Performance Requirements ............................. 17
   9.  Transport ................................................. 17
      9.1.  Assumptions made for underlying network .............. 17
      9.2.  Transport Requirements ............................... 18
   10.  Security Requirements .................................... 18
   11.  Requirements specific to particular bearer types ......... 19
      11.1.  Media-specific Bearer types ......................... 20
         11.1.1.  Requirements for TDM PSTN (Circuit) ............ 20
         11.1.2.  Packet Bearer type ............................. 22
         11.1.3.  Bearer type requirements for ATM ............... 23
      11.2.  Application-Specific Requirements ................... 26
         11.2.1.  Trunking Gateway ............................... 26
         11.2.2.  Access Gateway ................................. 27
         11.2.3.  Trunking/Access Gateway with fax ports ......... 27
         11.2.4.  Trunking/Access Gateway with text telephone .... 28
         11.2.5.  Network Access Server .......................... 29
         11.2.6.  Restricted Capability Gateway .................. 30
         11.2.7.  Multimedia Gateway ............................. 31
         11.2.8.  Audio Resource Function ........................ 32
         11.2.9. Multipoint Control Units ........................ 42
   12.  References ............................................... 43
   13.  Acknowledgements ......................................... 43
   14.  Authors' Addresses ....................................... 44
   15.  Full Copyright Statement ................................. 45



Greene, et al.               Informational