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3T-Net@ 2nd IMTC - ETSI TIPHON H.323 Interoperability event. 19-23 April 99. Wakefield (MA).

3T-Net@ 2nd IMTC - ETSI TIPHON H.323 Interoperability event. 19-23 April 99. Wakefield (MA). Eric Mannie (mannie@helios.iihe.ac.be) Université Libre de Bruxelles (ULB) Brussels, Belgium. The Interop Event in Brief. Jointly organized by IMTC and TIPHON.

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3T-Net@ 2nd IMTC - ETSI TIPHON H.323 Interoperability event. 19-23 April 99. Wakefield (MA).

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  1. 3T-Net@ 2nd IMTC - ETSI TIPHONH.323 Interoperability event.19-23 April 99.Wakefield (MA). Eric Mannie (mannie@helios.iihe.ac.be) Université Libre de Bruxelles (ULB) Brussels, Belgium.

  2. The Interop Event in Brief. • Jointly organized by IMTC and TIPHON. • 5 days at the Sheraton Colonial Hotel. • 28 companies participated. • more than 80 participants. • Rules of Engagement for confidentiality. • Two test schedules : IMTC and TIPHON. • Again a real test event. • with real developers . • Contacts: Greg Meyer & Reinhard Scholl.

  3. Participating Manufacturers 8x8, Inc Accord Telecom. Applio Cisco Systems. Data Connection Ltd. DataBeam. Delta Information. Elemedia Ericsson FVC.COM Intel Lucent (Netherlands & NJ). Microsoft. Mitel Corporation. Motorola. Natural MicroSystems. NEC Europe. PictureTel Corporation. Polycom, Inc. RADvision. Smith Micro Software. Sorenson Vision, Inc. Telscom AG. Brussels University (ULB). VideoServer, Inc. VocalTec. WhitePine Zydacron.

  4. Colonial Ballroom

  5. Timing : 19-23/4/99. • Monday 19th : Installation & ad-hoc tests. • Tuesday 20th : IMTC scheduled tests. • Wednesday 21th : TIPHON ad-hoc tests. • Thursday 22th : IMTC scheduled & on- demand tests. • Friday 23rd : TIPHON scheduled tests for fast connect [and tunneling].

  6. IMTC Tests • IMTC profiles : • profile 1 : G.711, H.261, T.120, E.164/H323ID • profile 2 : G.723, H.263, T.120, E.164/H323ID • profile 4 : G.711, H.262, T.120, E.164 • 3 scenarios (out of 5) : • test 1 : EP1 -- GK -- EP2 • test 2 : EP1 -- GK1 -- GK2 -- EP2 • test 3 : 3 EPs, 2 GKs, 1 MCU : exact topology ? • Score was taken into account, ... last time it was pass or fail.

  7. IMTC & TIPHON Tests (1). • Tests scenarios used : • IMTC H.323 Test Scenarios (Interoperability/ Compatibility Testing). Draft 0.2, August 1998. • TS 101 337 v0.1.3 (1999-03). ETSI TIPHON. previously known as 6004. • But same ones were used in Sophia (1/99) ! • What is the difference ? • TIPHON Tests 1-3 = IMTC Test 1 : 2 “EPs”, 1 GK. • TIPHON Tests 4-6 = IMTC Test 2 : 2 “EPs”, 2 GKs IMTC : EP = terminal or GW-EP ! nothing about SCN interface in test scenarios & score table.

  8. IMTC & TIPHON Tests (2). • All scheduled TIPHON tests were ±IMTC tests. • but IMTC clearly differentiate profiles (1, 2, 4). • and TIPHON clearly differentiate the role. • Not all IMTC test scenarios were scheduled. • Scenario 0 : PC to PC was... never scheduled ! neither by IMTC nor by TIPHON. • TIPHON added requirements and test cases in 6005. Is the IMTC document progressing ? • Should we have a better synchronization between TIPHON WG6 and IMTC CoIP ?

  9. IMTC & TIPHON Tests (2). • Personal observations : • current IMTC & TIPHON test cases are simple. • isn’t it time to have more elaborated test cases ? • where are the PICS ? • should we test abnormal conditions too ? • source of most crashes during Interop Events. • bugs of other implementations are very useful to test how my implementation reacts ! • that kind of condition is very difficult to generate without a tool (who has one ?). • Tests for Voice quality, DTMF use,....

  10. IMTC Scheduled Tests on Tuesday. • 9 one hour time-slots with // groups : • test 1, prof 1, 8 // groups, 15 minutes per test. • test 1, prof 2, 8 // groups, 15 minutes per test. • test 1, prof 4, 7 // groups, 15 minutes per test. • test 2, prof 1, 6 // groups, 20 minutes per test. • test 2, prof 2, 6 // groups, 20 minutes per test. • test 2, prof 4, 6 // groups, 20 minutes per test. • test 3, prof 1, 5 // groups, 30 minutes per test. • test 3, prof 2, 5 // groups, 30 minutes per test. • test 3, prof 4, 5 // groups, 30 minutes per test.

  11. TIPHON Ad-hoc Tests on Wednesday. • Ad-hoc Tiphon tests 1 to 6 : • test 1 : IP-Host -> SCN-Phone with single GK • test 2 : SCN-Phone -> IP-Host with single GK • test 3 : SCN-Phone -> SCN-Phone with single GK • test 4 : IP-Host -> SCN-Phone with 2 GKs • test 5 : SCN-Phone -> IP-Phone with 2 GK • test 6 : SCN-Phone -> SCN-Phone with 2 GKs • But everybody was busy to debug...

  12. IMTC Tests on Thursday. • Morning : scheduled tests : • test 1 (repetition). • 3 one hour time-slots with // groups. • test 1, prof 1, 7 // groups, 3x15 minutes test. • test 1, prof 2, 6 // groups, 3x15 minutes test. • test 1, prof 4, 6 // groups, 3x15 minutes test. • 15 minutes free at the end of each hour to re-synchronize. • After-noon : scheduled on-demand tests : • tests 2 and 3 (repetition).

  13. TIPHON Scheduled Tests on Friday Morning. • Morning : fast connect [and tunneling] : • fast connect : 4 EPs, 3 GWs, 5 GKs. • tunneling : 3 EPs, 0 GWs, 4 GKs. • After-noon : almost everybody was packaging.

  14. Personal Observations (1) • People participating to Interop events and people participating to TIPHON standardization meetings are not the same ! • Still basic interoperability testing. • But almost everybody was H.323v2 this time. • More bugs than during the Sophia Interop ? • Problems with keep-alives (RAS & Q.931). • Still plenty of problems with RAS interoperability.

  15. Personal Observations (2) • Hand-made H.323 protocol analyzers : • We tested (“simple”) normal situations : • should test abnormal situations too. • Problems during this event : • NO Internet access, printer, copy machine, free phone calls, phones on each table, Web site,... • “Network problem” : one switch and a few hubs ! • Don’t do MCU tests at the end of the day. • No VLAN (?) to test multicasted messages: GRQ.

  16. Personal Observations (3) • 2nd Interop was a kind of repetition of the first one, scheduled differently. • still very useful... but how to progress ? • Do we need “pre-production” Interops vs. “production” Interops ?

  17. Next TIPHON-IMTCInteroperability Events • 3rd Join Interop will be in 2 months : • Sophia-Antipolis : ETSI premises. • Last (full) week of June : June 21-25. • 4th Join Interop is a SuperOp : • Hawaii : IMTC : September 13-17. • Cost is 2000 US$ per company for 2 people. • additional people : 600 US$. • Registration before the 7th of June. • It will be the last one of 3T-Net (phase 1).

  18. References • 13td094 : Guidelines for the Organization of Interop Events. Reinhard Scholl, ETSI-TIPHON STF114. • 13td083 : Report of 2nd Joint IMTC/ETSI-TIPHON Interop, Boston, 19-23 April 1999. Reinhard Scholl, ETSI-TIPHON STF114.

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