Roaming Backbone Interconnection
“Private” GPRS roaming network backbone
- New roaming backbone created via International Data Carriers (IDC)
- Different IDCs used by different GPRS operators
- Operators don’t want to be tied to an IDC
- IDC backbones usually not true private networks
- Their backbone shared with Internet
- Hence roaming backbone will still be part of the Internet, requiring Public addressing for the elements it serves.