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i321sum.txt
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1994-11-03
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INTERNATIONAL TELECOMMUNICATION UNION
ITU-T RECOMMENDATION SUMMARY
Rec. No. : I.321
Title : B-ISDN Protocol reference model and its application
Study Group : XVIII - ISDN
Version : New
Date of adoption : 1991
Notes :
Recommendation I.320 contains the description of the ISDN protocol
reference model (PRM).
Recommendation I.321 is based on the ISDN protocol reference model as
defined in Recommendation I.320, and wherever not explicitly
indicated, it should conform with Recommendation I.320. The purpose of
Recommendation I.321 is to take into account the functionalities of
B-ISDN, which may eventually be incorporated into Recommendation I.320,
as an expansion of the existing ISDN protocol reference model. The
Protocol Reference Model in Recommendation I.321 is called
"B-ISDN PRM" (protocol reference model of the broadband aspects of
ISDN).
To order the complete text of this Recommendation, please use the
Order Form for ITU-T Recommendations. An electronic version of this
form is available on ITUDOC (Winword 2.0: UPI=ITU-5265; ASCII: UPI=ITU-2488).