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Issues and Considerations when Implementing Standards

Issues and Considerations when Implementing Standards. By Ayse Dilber AT&T 1.732.420.3195 voice 1.732.310.2941 mobile adilber@att.com. Issues and Considerations when Implementing Standards. By Ayse Dilber AT&T 1.732.420.3195 voice 1.732.310.2941 mobile adilber@att.com. Issues.

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Issues and Considerations when Implementing Standards

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  1. Issues and Considerations when Implementing Standards By Ayse Dilber AT&T 1.732.420.3195 voice 1.732.310.2941 mobile adilber@att.com

  2. Issues and Considerations when Implementing Standards By Ayse Dilber AT&T 1.732.420.3195 voice 1.732.310.2941 mobile adilber@att.com

  3. Issues • Different vendors are targeting their product releases to different implementations of the same standard, • Different vendors are selecting different options of the same standard.

  4. Considerations • Develop a common interoperability requirements to reduce non-interoperability among the vendors, • Increase the ability of service providers to link their IP related projects into end to end solutions.

  5. Solution aHIT!

  6. IMTCApplications on Harmonized Interoperable IP TelephonyaHIT! Formed in November, 1999 within IMTC as an Activity Group: To promote, facilitate the deployment and implementation of seamless, reliable and secure interoperable IP Telephony and Multimedia applications across multiple networks serving the needs of customers worldwide utilizing international, open standards and technical specifications.

  7. aHIT! Charter To identify and document interoperability requirements for service providers and vendors for IP Telephony and Multimedia applications. Service Providers will reduce standards incompatibility when dealing with multiple vendors; Vendors will gain commercially viable interoperability with other vendors.

  8. aHIT! Goals • Develop and publish interoperability technical requirements documents for VoIP and MM applications and interoperability for different inter-working scenarios, e.g. SIP/H.323, etc. • Encourage, define and participate global VoIP and MM applications trials between member service providers and vendors, • Provide a forum for open technical exchange • Support, promote and participate at IMTC/ETSI testing events.

  9. aHIT! Activitiesfor 2000 • Billing & Authentication/Authorization/Accounting • FoIP • Internet Call Waiting • Audio Conferencing identified as VoIP applications and • Interoperability for SIP/H.323 inter-working for the above applications approved to develop Interoperability Requirements Documents by December 2000.

  10. 1. DocumentOverview 2. Table of Contents 3. References 4. Customer Needs 5. Inter-domain Protocol Description -OSP -Annex G -Interop between OSP & Annex G 6. Support of QoS 7. Usage Reporting 8. Architectural Framework 9. Security Considerations 10. Roaming & Mobility 11. Testing Scenarios & Results 12. Recommendations 13. Future Work ToRInteroperability Requirements Document Billing & Authentication/Authorization/Accounting

  11. Interoperability Requirements Document Billing & Authentication/Authorization/Accounting • Contributing Companies: - BELL ATLANTIC - MCI WORLDCOM - NEXBELL - NUERA - GRIC - CISCO - LUCENT - TRANSNEXUS - AT&T

  12. GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW Inter-Working Scenario: Hierarchical H.225 Annex-G & OSP Back-End Server (i.e., Clearinghouse) IWF OSPS Annex G OSP Annex G Annex G OSP Domain B Domain C Domain D ITSP Domain A BES OSPC BES Annex G OSPC Annex G Annex G OSPS GK / BE IWF GK / BE Annex G Annex G OSPC OSPC GK GK / BE GK / BE GK

  13. GW GW GW GW GW GW GW GW GW GW GW GW GW GW GW Inter-Working Scenario : Peered - H.323 & OSP Back-End Server (i.e., Clearinghouse) OSPC IWF OSPS Annex G OSP BES OSPC ITSP Domain B OSPS ITSP Domain A Annex G GK/BE OSPC OSPC GK GK

  14. Interoperability Requirements DocumentSIP/H.323 Inter-Working • Contribution Companies: - NUERA - DYNAMICSOFT - BT - AT&T - MCI WORLDCOM - BELL ATLANTIC - SIEMENS - CLARENT - SS8 NETWORKS - VTEL

  15. 1. DocumentOverview Executive Summary Acknowledgements 2. Table of Contents 3. Abbreviations & Definitions 4. References 5. Applications Priorities 6. Service Requirements 7. Inter-Working Scenarios 8. Inter-Working Issues 9. New Interfaces/Protocol 10. Testing Scenarios & Results 11. Conclusions ToRInteroperability Requirements DocumentSIP/H.323 Inter-Working

  16. IWF H.323 GK H.323 Terminal/Gateway SIP Terminal/Gateway Interoperability Requirements for SIP/H.323 Inter-WorkingTest Scenarios - 1

  17. IWF H.323 Terminal/Gateway SIP Terminal/Gateway SIP Proxy Interoperability Requirements for SIP/H.323 Inter-Working Test Scenarios - 2

  18. Clearing House IWF H.323 GK H.323 Terminal/Gateway SIP Terminal/Gateway SIP Proxy Interoperability Requirements for SIP/H.323 Inter-Working Test Scenarios- 3

  19. Clearing House IWF H.323 GK H.323 Terminal/Gateway SIP Terminal/Gateway SIP Proxy Interoperability Requirements for SIP/H.323 Inter-Working Test Scenarios-4

  20. aHIT! Work Relations and Liaisons • IETF - SIP/H.323 BoF - IETF is contributing to the interoperability document for SIP/H.323 inter-working • ETSI-TIPHON WG1 to expedite the implementation of global interoperable VoIP and MM applications - Utilize the work of WG1 in determining the priority of interoperability resolution within aHIT! - Advise WG1 of requirements for future definitions of application functionality's for VoIP and MM • Develop similar liaisons with other appropriate forums.

  21. IMTC/aHIT! Activity Group Members AT&T NEXBELL TUNDO BELL ATLANTIC KPN GRIC BT INTEL LUCENT FRANCE TELECOM NUERA CLARENT DEUTSCHE TELECOM CISCO VTEL SBC DYNAMICSOFT SIEMENS MCI WORLDCOM SS8 NETWORKS NETRIX TRILLIUM MICROSOFT VOCALTEC NETSPEAK TELIA 3COM

  22. Contacts aHIT! E-mail Exploder: ahitag@imtc.org URL: http://www.imtc.org/act_ahit.htm Ayse Dilber, Chair 1.732.420.3195 voice 1.732.368.7550 fax 1.732.310.2941 mobile adilber@att.com

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