IFAST#242015.10.0407.doc

IFAST#24/2004.10.04/07 CDMA Packet Data Roaming eXchange Guidelines (Sept. 24, 2004) v5.3 Editor: Raymond Hsu, QUALCOMM Inc., rhsu@ Table of Contents Acronyms 5 References 6 1. Introduction 7 2. General Requirements for CDMA Packet Data Roaming 8 2.1 Reference Model 8 2.1.1 Interface Xd 9 2.1.2 Interface Xa 10 2.1.3 Interface Xi 10 2.2 IP Addressing Requirement 10 2.3 IP Routing Requirement 11 2.4 Security Requirement 11 2.5 Quality of Service 11 2.6 Peering Requirement 12 2.7 Proxy AAA Requirement 13 3. Services of CDMA Packet Data Roaming 14 3.1 Network Connectivity and Interconnection 14 3.1.1 Network Connection Options 14 3.1.2 IP Addressing and Routing 14 3.1.3 CRX IP Transit Backbone 15 3.1.4 Autonomous System Number (ASN) 15 3.2 RADIUS Proxy Service 16 3.2.1 RADIUS Message Relay 16 3.2.3 Response for Abnormal RADIUS Messages 18 3.2.4 RADIUS Accounting (Raw UDR) Mediation 18 3.3 Roaming Scenarios 18 3.3.1 Simple IP Roaming 18 3.3.2 Mobile IP Roaming 19 3.4 Data Exchange Interface between third parties (CRXs) 19 3.5 Data Clearing and Settlement 19 3.5.1 UDR 21 3.5.2 Accounting Data Reconciliation 21 3.5.3 Accounting Data Conversion and Rating 24 3.5.4 Format and Adequacy check 24 3.5.5 Partner Pair Determination 24 3.5.6 UDR Accommodation 25 3.5.7 Currency 25 3.5.8 Time Basis 25 3.5.9 Rating Unit 26 3.5.10 Settlement Rate Table 26 3.6 Settlement Reporting 26 3.6.1 Web-based settlement Reports 26 3.7 The requirements from Financial Settlement Provider 26 3.8 The Financial Settlement Function 27 3.9 Central Peering Point 28 3.10 The schedule of Peering Settlement 29 4. Service Level of CDMA Packet Data Roaming Network 29 4.1 Network Service Level Agreement (Network SLA) 29 4.1.1 Network SLA Coverage 29 4.1.2 Network QoS Specifications 30 4.2 Proxy AAA Service Level Agreements (Proxy AAA SLAs) 31 4.2.1 Proxy AAA SLA Coverage 31 4.2.2 Proxy AAA QoS Specifications 31 4.3 Data Clearing and Financial Settlement Service Level Agreements 32 4.4 Support 32 5. Serv