Ile sans fil

441 views

Published on

Presentation about Ile sans fil, community wireless vs. muni-wireless that I did as part of the Society for Arts and Technology's 2008 series of conferences.

Published in: Technology
0 Comments
0 Likes
Statistics
Notes
  • Be the first to comment

  • Be the first to like this

No Downloads
Views
Total views
441
On SlideShare
0
From Embeds
0
Number of Embeds
4
Actions
Shares
0
Downloads
0
Comments
0
Likes
0
Embeds 0
No embeds

No notes for slide

Ile sans fil

  1. 1. Wi-Fi  LAN not WAN  Nomadic not Mobile  Quick and Dirty Technology  Cheap and Easy Operation  CPEs Matter
  2. 2. The Good  Innovative business model  140 hotspots  60 000 users (sort of)  Wifidog  Power of motivated (and bored) people
  3. 3. The (not so) Good  Only achieved first of two goals  Volunteers don’t scale  Strange creatures are hard to fund  Market timing  Must evolve to stay relevant
  4. 4. Ile sans fil + City of Montreal  Financial support over 5 years  Deploy 150 outdoor APs  Grow total network to 400 nodes  Facilitate access to City infrastructure  Facilitate access to City partners
  5. 5. Ile sans fil + City of Montreal  Providing popular service to citizens  Supporting a successful local initiative  Enhancing Montreal’s image – Cool Tech Hub – Innovative
  6. 6. Ile sans fil + City of Montreal  Full time project manager – Coordinate deployments, manage partnerships  Tech on call for peaks and emergencies  HR partnerships  Fund R&D work – Laptops → Handsets  **Focus on second objective**
  7. 7. The Future  Applications on top of network – Expose & document APIs – Collaborate with artists & community Keeping service providers honest – Net neutrality, device independence, reasonable rates, etc.  Harnessing new tech for the public good
  8. 8. Internet is innovative because:  End-to-end principle  Dumb networks  Simple standards  Open is better than closed
  9. 9. Backup  IMS – Violates « end-to-end » principle – Violates « intelligence » at edge principle – Lots of complexity for no new services
  10. 10. The IETF SIP Trapezoid Outbound Proxy Server User Agent B Inbound Proxy Server User Agent A SIP SIP SIP Media (RTP) DNS Server DNS Location Server SIP Henry Sinnreich and Alan Johnston
  11. 11. 3GPP IMS Core Architecture The 3G IP Multimedia System (IMS) Gonzalo Camarillo and Miguel A. Garcia-Martin
  12. 12. OtherIPNetworks IP Transport (Access and Core) T-MGF I-BGF UPSF P-CSCF I/S-CSCF BGCF SLF Charging Functions IWF PSTN Emulation (R2) Mw Mw/Mk/Mm Mr Mg Mj Mi Mp Mn Gm Gq' ISC Cx Dx Dh Sh Ic Rf/Ro Rf/Ro Ib Iw Gq' PSTN/ISDN SGF MRFC MGCF MRFP e4 Ie Mw IBCF Mk Mk Application Servers Rf/Ro AGCF e2 P1 P2 P3 UE CNG MG IMS / PSTN Simulation Gq' - SPDF A-RACF Resource & Admission Control Resource & Admission Control SPDF Network Attachment Subsystem Re Ia RCEF BGF Ut Ut Overall ETSI TISPAN IMS Architecture – all (optional) subsystems
  13. 13. Backup  Android: security model  OpenMoko - Neo1973  Qtopia - Greenphone

×