How to Connect to Access Grid Virtual Venues through VRVS

VRVS_AG_HOWTO (c) Caltech 1

How to Connect to Access Grid How to Connect to Access Grid

Virtual Venues through VRVSVirtual Venues through VRVSSlides at http://scv.bu.edu/accessgrid/seminars/Slides at http://scv.bu.edu/accessgrid/seminars/

Kun WeiCaltech

[email protected]


Today’s Topics:Today’s Topics:

What’s VRVS ?What’s VRVS ?

Connect to AG Virtual Venues through VRVS Connect to AG Virtual Venues through VRVS MBone.MBone.

Connect to AG Virtual Venues through VRVS Connect to AG Virtual Venues through VRVS H.323.H.323.

Hints and Q/A.Hints and Q/A.


What is VRVS ?What is VRVS ?

www.vrvs.orgwww.vrvs.org

VRVS - Virtual Rooms Videoconferencing VRVS - Virtual Rooms Videoconferencing System.System.

Web services over unicast and/or multicast Web services over unicast and/or multicast IP.IP.

Internet2, ESnet high-performance networks.Internet2, ESnet high-performance networks.

Low cost, bandwidth-efficient, cross-platform.Low cost, bandwidth-efficient, cross-platform.

MBone, H.323, QuickTime, MPEG2, Sharing, MBone, H.323, QuickTime, MPEG2, Sharing, Chat, Scheduler, …Chat, Scheduler, …

~10000 Registered host, 64 Countries, 40+ ~10000 Registered host, 64 Countries, 40+ Reflectors.Reflectors.

~700 conferences / month.~700 conferences / month.


VRVS-AG ReflectorVRVS-AG Reflectorag-www.mcs.anl.govag-www.mcs.anl.gov

WWWWWW AG Multi-cast AG Multi-cast CloudCloud


When to connect AG through VRVS ?When to connect AG through VRVS ?

AGAG VRVSVRVS AG-VRVSAG-VRVSMulti-castMulti-cast

UnicastUnicast On-Site AG Node On-Site AG Node Without AG Node Without AG Node

High Quality VideoHigh Quality Video High Quality AudioHigh Quality Audio

H.323H.323 High (> 20Mbps) High (> 20Mbps)

Bandwidth Network Bandwidth Network

Normal (10Mbps) / Normal (10Mbps) / Low (<1Mbps) Low (<1Mbps)

Bandwidth Network Bandwidth Network


Connection Scenario:Connection Scenario:1.1. I am on the travel with my laptop and wireless I am on the travel with my laptop and wireless

card,card,

2.2. I have cable modem/DSL at home, I have cable modem/DSL at home,

3.3. My network admin doesn’t want to enable multi-My network admin doesn’t want to enable multi-cast for performance and security reason, cast for performance and security reason,

4.4. I can only have Polycom ViewStation, I can only have Polycom ViewStation,

5.5. ……

and I need to attend an Access Grid session, e.g. and I need to attend an Access Grid session, e.g. SC’01SC’01


Connect to AG Virtual Venues Connect to AG Virtual Venues through VRVS MBone (VIC/RAT)through VRVS MBone (VIC/RAT)


Hardware: Hardware: http://www.vrvs.org/Doc/Hardware/hardwarehttp://www.vrvs.org/Doc/Hardware/hardware.html.html



Go to Go to www.vrvs.orgwww.vrvs.org.. Click “Register Me” to register with Click “Register Me” to register with

VRVS (A simple form to fill out in one VRVS (A simple form to fill out in one minute).minute). Click “Download” to install VRVS Click “Download” to install VRVS

MBone tools.MBone tools.Install package with RAT4.Install package with RAT4.MBone on Windows MBone on Windows 98/NT/ME/2K/XP (One step install).98/NT/ME/2K/XP (One step install).MBone in Linux (One step install).MBone in Linux (One step install).MBone in Solaris, IRIX, OSFI, HP-MBone in Solaris, IRIX, OSFI, HP-UX.UX.

IE 4/5/6, Netscape 4.7x/6.2.IE 4/5/6, Netscape 4.7x/6.2.





Click “JOIN”, AG icon Click “JOIN”, AG icon and select interested and select interested Virtual Venue.Virtual Venue.Now you are in the Now you are in the Access Grid Virtual Access Grid Virtual Venues :)Venues :)Click the “Audio” button Click the “Audio” button to launch MBone Audio to launch MBone Audio tool – RAT.tool – RAT.RAT window will launch RAT window will launch automatically.automatically.



Click “Options…” to setup parameters for AG usage.Click “Options…” to setup parameters for AG usage.



Select “Audio” from Category.Select “Audio” from Category.Select “16-kHz” from Sample Rate.Select “16-kHz” from Sample Rate.



Select “Codecs” from Category.Select “Codecs” from Category.Select “L16-16K-Mono” from Codec.Select “L16-16K-Mono” from Codec.



Now check “Talk” and interact with other Now check “Talk” and interact with other people :) people :)



Click the “Video” button Click the “Video” button to launch Mbone Video to launch Mbone Video tool – VIC.tool – VIC.VIC windows will launch VIC windows will launch automatically.automatically.Click VIC “Menu” button Click VIC “Menu” button to select device and to select device and transmit your video.transmit your video.Click VIC “Menu” to Click VIC “Menu” to adjust transmitting adjust transmitting bandwidth, frame rate bandwidth, frame rate and quality.and quality.



You can hear You can hear ALLALL the the participants who have participants who have un-muted the mike.un-muted the mike.You may want to You may want to MUTEMUTE your mike when you are your mike when you are not speaking.not speaking.You can only view You can only view ONE ONE LIVELIVE * video at a time, * video at a time, but you can choose the but you can choose the view mode: view mode:

The limitation is because of current design and bandwidth efficiency. It can be done to have more than one live video




""Selected ParticipantSelected Participant" to select the specific video you " to select the specific video you want to watch from the participants list. This mode is want to watch from the participants list. This mode is useful for lectures and seminars. You only want to see useful for lectures and seminars. You only want to see the lecturer.the lecturer.""Browse VideoBrowse Video" in order to watch each video site in " in order to watch each video site in turn. Video sites are selected in a "round-robin" queue turn. Video sites are selected in a "round-robin" queue that switch according to a preset timer. that switch according to a preset timer.






Connect to AG Virtual Venues Connect to AG Virtual Venues through VRVS H.323through VRVS H.323



Why also H.323?Why also H.323?

I.T.U standardI.T.U standard CompatibilityCompatibility Better lip-syncBetter lip-sync Better video qualityBetter video quality Voice-switchingVoice-switching Manufacturers (Polycom, Tandberg, VCON, Manufacturers (Polycom, Tandberg, VCON,

…)…) Open Source (www.openh323.org)Open Source (www.openh323.org)



Hardware: Hardware: http://www.vrvs.org/Doc/Hardware/h323_systems.htmlhttp://www.vrvs.org/Doc/Hardware/h323_systems.html



Go to www.vrvs.org.Go to www.vrvs.org. Click “Register Me” to register Click “Register Me” to register

with VRVS (A simple form to fill with VRVS (A simple form to fill out in one minute).out in one minute). No “Download” needed.No “Download” needed. IE 4/5/6, Netscape 4.7x/6.2. IE 4/5/6, Netscape 4.7x/6.2. Start your H.323 client. Start your H.323 client.





For the best compatibility, VRVS now For the best compatibility, VRVS now supports the I.T.U H.323 mandatory supports the I.T.U H.323 mandatory implementation, including video signal implementation, including video signal H.261H.261 and audio signal and audio signal G.711G.711..

To be able to listen from AG nodes by To be able to listen from AG nodes by H.323 clients, participating Access Grid H.323 clients, participating Access Grid Nodes need to set MBone audio tool (RAT) Nodes need to set MBone audio tool (RAT) to to PCM (uLaw) 8 kHz Mono PCM (uLaw) 8 kHz Mono by following the by following the I.T.U H.323 standard.I.T.U H.323 standard.

Use a MBone video tool (VIC) version Use a MBone video tool (VIC) version which includes the bug fix for the h.261 which includes the bug fix for the h.261 encoding protocol. encoding protocol.



Changing RAT parameters on Changing RAT parameters on AG sidesAG sides



Click H.323 “SET” Click H.323 “SET” button.button.

Fill the H.323 Fill the H.323 Parameters, including Parameters, including your hostname/IP or your hostname/IP or Gatekeeper, Gatekeeper, bandwidth and frame bandwidth and frame rate.rate.

“ “SAVE” it and click SAVE” it and click “JOIN” H.323 button.“JOIN” H.323 button.

After a few seconds, After a few seconds, your H.323 client will your H.323 client will receive a call from receive a call from VRVS. Accept it.VRVS. Accept it.



Now you are connected to Access Grid Now you are connected to Access Grid with H.323 :)with H.323 :)


You may want to You may want to MUTEMUTE your mike when you are your mike when you are not speaking.not speaking.You can only view / listen You can only view / listen ONE LIVEONE LIVE video/audio video/audio stream at a time, but you stream at a time, but you can choose the view can choose the view mode:mode:




""Selected ParticipantSelected Participant" to select the specific video you " to select the specific video you want to watch from the participant list. This mode is want to watch from the participant list. This mode is useful for lectures and seminars. You only want to see useful for lectures and seminars. You only want to see the lecturer.the lecturer.""Browse VideoBrowse Video" in order to watch each video site in " in order to watch each video site in turn. Video sites are selected in a "round-robin" queue turn. Video sites are selected in a "round-robin" queue that switch according to a preset timer. that switch according to a preset timer.


Hints and Q/AHints and Q/A



Test before real session. Test before real session.

VRVS Chat and Access Grid MUD/MOO (please VRVS Chat and Access Grid MUD/MOO (please refer to AGDP How to Use the Venues MOO for refer to AGDP How to Use the Venues MOO for more information) can be used to exchange more information) can be used to exchange instant message.instant message.

General videoconferencing tips at General videoconferencing tips at http://www.packetizer.com/vctips.html.http://www.packetizer.com/vctips.html.





Questions? Questions?

More VRVS related question? More VRVS related question?

[email protected]@vrvs.org

Access Grid seminar evaluation form Access Grid seminar evaluation form http://scv.bu.edu/accessgrid/seminars/eval.htmlhttp://scv.bu.edu/accessgrid/seminars/eval.html

This HOWTO is also at AGDPThis HOWTO is also at AGDP http://www.accessgrid.org/agdp/howto/vrvs.htmlhttp://www.accessgrid.org/agdp/howto/vrvs.html

Date post:	13-Jan-2016
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How to Connect to Access Grid Virtual Venues through VRVS

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