ITU-T X.371
General arrangements for interworking between Public Data Networks and the Internet
| Organization: | ITU-T |
| Publication Date: | 1 February 2001 |
| Status: | active |
| Page Count: | 20 |
scope:
This Recommendation specifies general arrangements for interworking between the Internet and Public Data Networks (PDNs) among which PSPDN and FRPDN are considered. Three possible cases are defined:
− the case where the IP-TE connected to the PDN accesses the Internet via the PDN (access case);
− the case where two Internet subnetworks are concatenated via the PDN (Concatenation case 1);
− the case where two PDNs are concatenated via the Internet (Concatenation case 2).
The following arrangements are specified in this Recommendation:
1) reference configuration;
2) interface characteristics for UNI and NNI;
3) addressing mechanism;
4) functionality of the Access Unit (AU), InterWorking Function (IWF) and the Adapter.
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