International dialling scheme and

Dr.ir. Egon VerharenInnovation managementSURFnet bvEgon.Verharen@SURFnet.NL

Tyler Miller JohnsonATNS

UNC Chapel HillTyler_Johnson@unc.edu

2

Nordunet 2002, april 16

VC initiatives

• ViDe– Globally-scaleable (H.323) number/dial plan & update

• Inter-gatekeeper communication – New working group: NASM

• Numeric addressing space management– Implementation, directory of video-directories

• Vidmid-vc I2 Commons– Directory services - Collaboration

• Creation of video teleconf.schema extensions - VC services

• ITU standard - gateways

• Video-app directory

– Authentication/Authorization

4

Nordunet 2002, april 16

• Principles:– International– Freedom of choice for local situation– E.164/tel.no. integration– Implementable now (present gatekeeper technology)– Compatible with existing network (ViDeNet)

• Proposal– by UKERNA, HEAnet, SURFnet, Adopted by ViDeNet

• ViDe working group: NASM

• Numeric[<EZ>]<world gk> <cc.> <org. ><client no>[<suffix>]

00 ITU cc local no.

• Alphanumeric<userID>@<fully qualified domain name>

International dialling scheme

5

Nordunet 2002, april 16

Dialing plan implementation & Example

541

6

Nordunet 2002, april 16

ViDeNet Root level Architecture

8

Nordunet 2002, april 16

Background info• Numberplan http://www.wvn.ac.uk/support/h323address.htm

http://www.surfnet.nl/innovatie/surfworks/conferencing/numberplan/ • ViDe NASM http://www.vide.net/workgroups/nasm/index.shtml

• ViDeNet http://www.unc.edu/cavner/videnet/ • I2 Commons http://www.internet2.edu/html/commons.html• Megaconference http://www.mega-net.net/megaconference/ • Vidmid http://middleware.internet2.edu/video/