XCAST DeploymentXCAST DeploymentActivities in JapanActivities in Japan

Nobuo KawaguchiNobuo Kawaguchi

Nagoya UniversityNagoya University

Deployment and User Deployment and User ExperienceExperience

XCAST Current Situation in JapanXCAST Current Situation in Japan Windows Binary KITWindows Binary KIT CD-Bootable XCAST Kit (NetBSD, FreeBSD)CD-Bootable XCAST Kit (NetBSD, FreeBSD)

ActivitiesActivities Wedding Ceremony Speech over XCASTWedding Ceremony Speech over XCAST On-Board communication with XCASTOn-Board communication with XCAST XCAST MATSURI ( Festival)XCAST MATSURI ( Festival)

Midnight XCAST MeetingMidnight XCAST Meeting

XCAST online meeting held bi-monthlyXCAST online meeting held bi-monthly Managed by Managed by ＊＊ BSD User GroupBSD User Group

For FUN. ( Online Party )For FUN. ( Online Party ) Form a ML as xcast-fan-clubForm a ML as xcast-fan-club

Several Usage Models are developed

Online Meeting with XCASTOnline Meeting with XCAST

Attending Wedding Party by XCAST

from TOKYO, CHIBA, OSAKA, SAPPORO, and so on.

Special thanks for N*BUG & itc.nagoya-u 名古屋東急ホテル

XCAST for Wedding

Wedding Party talk on Wedding Party talk on XCASTXCAST

XCAST onboard. (In –flight XCAST onboard. (In –flight XCAST)XCAST)

XCAST MATSURIXCAST MATSURI Held Held 　　 Oct, 10~12/2005Oct, 10~12/2005 ObjectiveObjective

Promotion and Demonstration for XCASTPromotion and Demonstration for XCAST Experience for multi-user meetingExperience for multi-user meeting

ThemeTheme Max-connection Challenge for XCASTMax-connection Challenge for XCAST My first XCASTMy first XCAST What’s wrong for XCAST experienceWhat’s wrong for XCAST experience

http://www.el.itc.nagoya-u.ac.jp/~tanaka/xcast/matsuri.http://www.el.itc.nagoya-u.ac.jp/~tanaka/xcast/matsuri.htmlhtml

MAX ConnectionMAX Connection

Max Connection Max Connection Challenge!! Challenge!!

What should be checked.What should be checked. How many people can Join same group.How many people can Join same group.

ResultsResults Technical issueTechnical issue

30 node can join the same group30 node can join the same group Transferring rate should be tuned for better Transferring rate should be tuned for better

quality.quality. Social issueSocial issue

It is difficult to talk with 30 persons.It is difficult to talk with 30 persons. Visual communication (Gesture) is important forVisual communication (Gesture) is important for

multi-user communication.multi-user communication.

Supporting Supporting UsersUsers

wikiwiki MATSURI portalMATSURI portal Know-how →FAQKnow-how →FAQ

IRCIRC For real time supportFor real time support Irc log can read from webIrc log can read from web

MailMail For person-to-person For person-to-person

support support IRC support

MATSURI portal wiki

Attendees Attendees

Max number of nodesMax number of nodes matsuri1matsuri1 　　　：　　　　：　 30 nodes30 nodes matsuri2matsuri2 　　　：　　　　：　 17 nodes17 nodes matsuri-testmatsuri-test 　：　　：　 13 nodes13 nodes

matsuri2matsuri1

matsuri-test

時系列

IPv6 AddressesIPv6 Addressesgroup : matsuri1 group : matsuri2

88 uniqueaddress

45 unique address

time

Time

matsuri-test : 58 unique addresstotal : 142 unique address

TrafficTraffic Day 1, 2Day 1, 2

Day 2, 3Day 2, 3

Time

Max Connection

Challenge!!Max traffic

• incoming : 1535.5 KB/s

• outgoing : 3465.9 KB/s

Results of Results of MATSURIMATSURI

30 node can join the same group30 node can join the same group 3 group in same time.3 group in same time. Max traffic 3.5Max traffic 3.5 ＭｂｐｓＭｂｐｓ Over 1000km Over 1000km

Lot of experiencesLot of experiences Have a lot of new comersHave a lot of new comers

XCAST with public XCAST with public symposiumsymposium

Attendee with XCASTAttendee with XCAST

XCAST DeploymentXCAST Deployment

Windows Binary is a KEY for Windows Binary is a KEY for DeploymentDeployment

XCAST users in Japan may be over XCAST users in Japan may be over 100…100…

Group management should be Group management should be improvedimproved