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Appendix C. Ranking Summary
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## Appendix C. Ranking Summary

Reliable Messages | Last Updated May 14, 2003 | 9
| Delivery Assurance | At Least Once | 8.56
| Delivery Assurance | At Most Once | 7.78
| Delivery Assurance | Best Effort | 7.78
| Delivery Assurance | Guaranteed Delivery of Messages | 9.00
| Delivery Assurance | Message Routing | 8.67
| Delivery Assurance | Receipt Confirmation | 9.00
| Error Handling | Retry | 8.67
| Error Handling | Recovery Processes/Message Store | 8.56
| Error Handling | Time-Out | 8.33
| Error Handling | Duplicate Detection | 8.67
| Message Integrity | Acknowledgement | 8.56
| Message Integrity | Content Integrity | 8.22
| Message Integrity | Message Sequencing | 7.78
| Message Integrity | Time to Live | 7.89
| Third party interaction | Message Routing | 3.78
Collaboration |  | 8.67
| Large Message Handling | Chunking | 5.00
| Bi-directional Messaging | Peer - to - Peer | 6.89
| Delayed Response | Asynchronous | 7.56
| Immediate Response | synchronous | 8.33
| Large Message Handling | File Transfer | 6.22
| Long Running Transactions | Asynchronous | 5.78
| Message Ordering | Message Sequencing | 6.56
| Pull Message | Request Response | 5.78
| Push Message | Client Push | 7.00
| Support Conversational State |  | 4.33
Internet Connectivity |  | 8.67
| Fully Connected | Static IP | 7.89
| Fully Connected | Dynamic IP | 7.33
| Intermittent Connection | Dial UP | 4.89
| Name-based Address |  | 5.67
| Fully Connected | VPN | 6.33
| Broad Reach | Network Protocol | 4.33
Auditing |  | 8.00
| Non-Repudiation | Digital Signatures | 7.11
| Logging | --- | 6.89
| Time Stamping |  | 8.00
Interoperability |  | 8.00
| Expose Interpretability Requirements | Centralized Management and Creation | 3.89
| Expose Interpretability Requirements | Collaboration Agreement | 4.56
| Transport Lifecycle Management | Version Control | 6.44
| Mitigate Risk | Test bed/Certification | 5.11
| Platform Independent | --- | 7.67
| Programming Language Neutral | --- | 7.67
| Support multiple content types |  | 7.22
|  | Tiered Content | 4.60
Cost Effective |  | 7.67
|  | Standards Based | 7.00
|  | Declarative Specifications | 7.00
|  | Light Weight Infrastructure | 7.00
|  | Open Source | 1.67
Performance |  | 7.67
| Minimize Bandwidth Costs | Compression | 6.33
| Scalability | Load Balancing | 7.78
| Service Level Priority |  | 4.11
| SLA Reporting | Quality Of Service Tags | 4.11
| Message Management | Monitoring | 6.78
| Message Management | Authenticated Receipting | 6.78
| Message Management | Audit Trail | 7.11
| Message Management | Tracing | 6.78
Message Security |  | 7.56
| Business Authentication | PKI | 5.78
| Party Authentication | Identification (Username/Password) | 6.44
| Party Authentication | Digital Signatures | 6.22
| Privacy/Confidentiality | Message Encryption (privacy) | 6.44
| Source and Target Authentication |  | 4.56
| Source Only Authentication | Identity/Digital Certificates | 5.22
| System Authentication |  | 4.33
| Unique Party Identity | Established Identity for Auto Industry | 2.89
Infrastructure Security |  | 6.78
| Business Authentication | PKI | 5.89
| Party Authentication | Identification (Username/Password) | 7.33
| Party Authentication | Digital Signatures | 6.78
| Privacy/Confidentiality | Message Encryption (privacy) | 6.67
| Source and Target Authentication |  | 5.33
| Source Only Authentication | Identity/Digital Certificates | 6.00
| System Authentication |  | 5.00
| Unique Party Identity | Established Identity for Auto Industry | 3.56
Management |  | 5.67
| Administration | Monitoring | 5.22
| Administration | Administration | 4.78
| Diagnostics |  | 5.78
Global |  | 5.44
| Standard Date and Time | Normalize to GMT | 5.11
| Internationalization |  | 4.56
| Time Synchronization | Time Services | 5.67
Schedule |  | 4.78
| Set Date |  | 4.29
| Roadmap |  | 5.47
Directory/Registry |  | 3.89
| Service Transparency |  | 3.78

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