ATM technology (24)
PNNI - Private Network to Network Interface: the NNI used in private networks for efficient, dynamic, and scalable routing of SVC requests in a multivendor private ATM environment
I-PNNI- Integrated PNNI: is a single routing protocol that is used between IP routers and ATM switches
Hardware: ATM switch, ATM analyzer, ATM adapter
ATM Carrier Services: MCI, WorldCom, Sprint, AT&T, GTE, Pacific Bell, US West, Ameritech, Southwestern Bell, Bell Atlantic. The services are provided by hundreds POPs (Point of Presence)