2009.11.27
Hyun-chul Kim

AAF Workshop & Measurement Session Report & the Next Step Proposal  (DRAFT 0.9)

0. Executive Summary : This report contains 
  - the program of the AAF Measurement Session as well as Q&As, 
  - the list of contact points who've volunteered CAIDA's Ark Box and WIDE Gulliver Box so far,
  - Lessons Learned and Recommendations particularly in preparing remote speeches; 
    (Backup) Projector, Audio system, Video conferencing S/W, Jabber/Messenger Chat Room, etc.
  - The Next Step: "Day in the Life of the Internet in/cluding Africa" from 2010

1. Date&Time : 2009.11.23(Mon) 15:00-16:50
2. Place : Radison Blu Hotel, Dakar, Senegal
3. Program (presentation materials are available at http://www.africaasia.net )

  Chair: Hyun-chul Kim (Seoul National Univ.)
  
 1) Measurement Session Introduction, by Hyun-chul Kim (Seoul National Univ., 10 min.)

 2) Archipelago Measurement Infrastructure, by kc claffy (CAIDA, 30 min., remote)
   - Q&A : Hardware, Network Connectivity Requirements and Recommendations?
     --> please refer to the FAQ page on "How to Host an Ark Monitor?" : http://www.caida.org/projects/ark/siteinfo.xml

 3) Measurement Activities @WIDE Groups in Japan, by Kenjiro Cho (IIJ/WIDE, 30 min., remote)
   - Q&A : According to Kenjiro's presentation materials, currently there are two Gulliver boxes 
    deployed in Africa (Kenya). How many more boxes do you expect to get deployed in Africa?
    --> around 4-5?  (based on/comparing with the number of Gulliver boxes deployed in other continents, e.g., Asia, America, ...) 

 4) Best case WiBro/WiMAX Performance for a single flow, by Shinae Woo/Keon Jang/Sue Moon (KAIST, 20 min., remote)

4. Volunteers to host Ark & Gulliver measurement boxes in Africa 

 1) Senegal - Universite Cheikh Anta Diop de Dakar (www.ucad.sn) 
     contact point : Khoudia Gueye Sy (khoudiasy _AT_ ucad.sn), Network Manager & Graduate Students (Advisor: Alex Corenthin, President, ISOC Senegal)
     
 2) Gambia - Public Utilities Regulatory Authority (www.pura.gm)
     contact point : Gabriel Latjor Ndow (gln _AT_ pura.gm), Director Policy Strategy & Consumer Affairs

 3) Kenya - ISOC/KIXP (Kenya Internet eXchange Point)
     contact point : Michuki Mwangi (mwangi _AT_ isoc.org), CTO, KIXP

5. Lessons Learned and Recommendations

 0) First of all, we'd like to express our sincerest gratitude to AfriNIC technical staffs for their support and help.
  a few recommendations/remarks below, particularly on setting up remote speeches. :-)

  we would like to highly recommend to check the followings in advance (before coming to the hotel/venue),
  particularly for sessions with remote speakers :

 1) Backup LCD/DLP Projector Resolution, Quality, and long VGA cable
 
     at least VGA-cable connectivity (without quality degradation) is highly recommended (not S-video).
     it is highly recommended to prepare one or two portable projects in advance, as backup
     (as we can't be sure whether the venue room would support it or not, particularly this time).

     When using backup LCD/DLP projectors, long VGA cable may be necessary, depending
     on the room size and the location of speakers and projectors.
     
 2) Backup Speaker Set, Microphone, Audio jacks & cables to connect laptop/PC for remote presentation :
     this is the most important/basic part. : "Sound/Voice communication with remote speakers"
     If audio doesn't work, it fails.

     need to identify what kind of audio jacks are needed to connect laptop/PC (the one used for remote talks) 
     and the meeting room's audio equipments like Mixer, Speaker and Microphone.
     depending on the room size, location of audio mixers, speakers, microphone, and laptop/PC,
     long audio cables may be necessary. We may use a backup speaker set when it's not possible
     to connect the laptop/PC to the venue room's speaker system. Same for the Microphone input.

 3) Video-conferencing S/W selection, including remote presenter's O/S environment : Marratech, Skype, Polycom/H.323, DimDim, ...
     this time somehow Marratech's multi-party video conferencing system
     didn't work well, particularly for remote speakers using Ubuntu. For other speakers,
     video was ok but audio was awful thus we chose to use Skype which provided us
     much better audio quality. 

     However, Skype doesn't support multi-party video conference (though it supports multi-party audio conference call)
     thus we had to have one-to-one video remote talk for each speaker, one by one, unfortunately.
     Skype seems to be the best when we have only one remote speaker, in particular from/to low-bandwidth area.

     For multi-party video conferencing, we may have to consider to use and test 
     other widely-used video conferencing sw/equipments like Polycom/H.323, DimDim, or something else ? 
    
 4) Eye-contact between remote speakers & audiences : very important.
   video (at least still image), which doesn't have to be large, of the speakers must be presented to audiences
   (e.g., at the left/right-bottom corner of screen with the full-screen slides)

 5) Jabber/Messenger Chat Room : as a backup communication channel between physical attendants & remote speakers.
     the chatting logs may be useful in summarizing/reporting the session contents later.

6. The Next Step Proposal: Internet Measurement Training Lab. & "The Day in the life of the Internet" In/cluding Africa

  Professor Kilnam Chon (Keio Univ. & KAIST), Alex Corenthin (UCAD), and Hyun-chul Kim (Seoul National Univ.)
  would like to propose the followings for the next year's AAF Measurement Group Activity/Event

  1) During the AfriNIC/AfNOG/AfREN Meetings (May 23 ~ June 4, 2010, Kigali, Rwanda, http://www.afnog.org/)

    Have a half week Internet Measurement Training Lab. Session that consists of
      - Internet Measurement Tutorial (half or full day ?)
      - Internet Measurement Lab. (2 or 2.5 days?) : measurement tool/boxes installation and lab., for data collection,
         analysis, visualization, metadata generation and indexing (into DatCat, CRAWDAD, or CASFI DSP?),
         traffic classification ; 

    , which will be followed by AAF Measurement Session (~90 minutes?) and Measurement WG Formation Meeting

  2) "Day in the Life of the Internet in/cluding Africa"

    - After the Training Session, the session participants/students hopefully will be having their own
      measurement boxes which they can deploy at their local network points, at which we anticipate
      they'll be able to join the "Day in the Life of the Internet" data collection (http://www.caida.org/projects/ditl/) from African side,
      for the first time.

    - "A Day in the Life of the Internet" (DITL) is a large-scale data collection project undertaken by CAIDA and OARC every year since 2006.
      For more information, please visit http://www.caida.org/projects/ditl      

  3) During the AfriNIC Meetings (Nov. 2010) : Report & (Data) Analysis of the 1 + 2 + Planning the Next Step

  4) Issue : needs to find instructor/s and program for the training session. 
                need comments and/or help from CAIDA, WIDE, CASFI, and/or RIPE NCC (?) (particularly on running the Measurement Training Lab.)
      

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