1. © Copyright AARNet Pty Ltd Peering H.323 Networks for Voice and Video Collaboration APAN 2004 GDS Dial scheme International Root H.323 Gatekeepers “ViDe.Net” and “Internet2 Commons” APAN Cairn 2004 July 2004

2. © Copyright AARNet Pty Ltd INTRODUCTION Lots of people use H.323 world wide to collaborate, H.323 is a popular Voice and Video protocol. Many Institutions use Gatekeepers for the basic Routing and glue within an institution. PROBLEM: How to bind Institutions together ANSWER: Simple Directory Gatekeepers!

3. © Copyright AARNet Pty Ltd

4. Example: A User's PERSPECTIVE TODAY  PROBLEM: How to make a call to someone else? How to participate in another organisations meeting. ANSWER: Dial an IP Address, or 192.94.63.128 Re-configure end point to register with some else’s Gatekeeper, then dial a number, eg 61262223575, then reconfigure it back when finished. RESULT: More faults Harder to use – thus gets used less No peering for cheap calls.

5. © Copyright AARNet Pty Ltd Example: A User's PERSPECTIVE PROBLEM: How to make a call to someone else? How to participate in another organisations meeting. ANSWER: Dial an IP Address, or 192.94.63.128 Dial a number, eg 61262223575 Dial an h323 alias, eg stephen.kingham@aarnet.edu.austephen.kingham@aarnet.edu.au RESULT: Easy to use. World wide coordination of support services. Voice and Video calls.

6. © Copyright AARNet Pty Ltd HOW? Have A Directory Gatekeeper per country to bind Institutions within a Country together. The run several International Gatekeepers to bind all the Country Gatekeepers together. Use a common dial-plan And it already exists! Global Dialling Scheme (GDS) 4 duplicated International Directory Gatekeepers 27 Country Gatekeepers 156 advance voice and video networks A community of Higher Education, some industry, K-12 and Research Organisations.

7. © Copyright AARNet Pty Ltd WHO RUNS “GDS” GDS – Global Dialling Scheme Institutions run their own Gatekeeper, some share Gatekeepers. A volunteer Institution provides the Country Directory Gatekeeper. Some Countries share Gatekeepers. Volunteer Institutions run the International Directory Gatekeepers coordinated by the NASM Team. Numerical Addressing Space Management Team (NASM) 1.About NASM http://www.vide.net/workgroups/nasm/index.shtmlhttp://www.vide.net/workgroups/nasm/index.shtml 2.NASM Resources page http://www.vide.net/workgroups/nasm/resources.shtml http://www.vide.net/workgroups/nasm/resources.shtml 3.Consists of representatives from UKERNA (Wales), HEAnet (Ireland) SURFnet (Netherlands), UNC and Internet2-Commons (USA), and AARNet (Australia).

8. © Copyright AARNet Pty Ltd How NASM is split up The NASM are split up to support the different world time zones:

9. © Copyright AARNet Pty Ltd Based on ITU H.323 standards H.323 Gatekeeper hierarchy

10. © Copyright AARNet Pty Ltd What each Country needs to do Someone has to volunteer to provide a National Directory Gatekeeper per Country. Some Countries share gatekeepers. Someone in each Country has to volunteer as the Administrator/Coordinator. That Administrator needs –to Create and Register the Country Zone, and –authorise Zone requests from Institutions within their Country and enter them into the gatekeeper. The ViDeNet web site provides the administrative support.

11. © Copyright AARNet Pty Ltd What each Institution needs to do Someone has to volunteer to provide a National Directory Gatekeeper per Country. Some Institutions share Gatekeepers – just about all the Australian Universities use one gatekeeper. That Administrator needs to Create and Register the Institutions Zone. The ViDeNet web site provides the administrative support.

12. © Copyright AARNet Pty Ltd HOW TO PEER YOUR COUNTRY/ORGANISATION TO THIS NETWORK The detailed steps can be found here: http://www.aarnet.edu.au/engineering/projects/voip/gds/ http://www.aarnet.edu.au/engineering/projects/voip/gds/ 1.You need at least one (or more) individual to be the Administrator. 2.That individual uses the ViDeNet web site to create their individual account. 3.The Administrator then uses the ViDeNet web site to request a Zone. 4.The NASM group manually process International Requests and advise the Administrator. The Country Administrator processes requests from Institutions from within the Country. 5.NASM update the International Directory Gatekeepers with any new Countries; The Country Administrator configures their National Gatekeeper.

13. © Copyright AARNet Pty Ltd More information The APAN BoF, after lunch in this room. About VideNet www.vide.netwww.vide.net About NASM –http://www.vide.net/workgroups/nasm/index.shtmlhttp://www.vide.net/workgroups/nasm/index.shtml –http://www.vide.net/workgroups/nasm/resources.shtmlhttp://www.vide.net/workgroups/nasm/resources.shtml Internet2 Commons http://commons.internet2.eduhttp://commons.internet2.edu AARNet GDS support http://www.aarnet.edu.au/engineering/projects/voip/gds/ http://www.aarnet.edu.au/engineering/projects/voip/gds/ UKERNA Welsh Video Network http://www.wvn.ac.uk/support/h323address.htm http://www.wvn.ac.uk/support/h323address.htm

14. www.aarnet.edu.au