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1 Suomen Seutuverkot ry:n kevätseminaari 3-4.4.2007, Pori panOULU (public access network OULU) Professor Timo Ojala University of Oulu Department of Electrical.

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Presentation on theme: "1 Suomen Seutuverkot ry:n kevätseminaari 3-4.4.2007, Pori panOULU (public access network OULU) Professor Timo Ojala University of Oulu Department of Electrical."— Presentation transcript:

1 1 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU (public access network OULU) Professor Timo Ojala University of Oulu Department of Electrical and Information Engineering MediaTeam Oulu research group

2 2 Suomen Seutuverkot ry:n kevätseminaari , Pori Motivation: ”Ubi society” Mark Weiser’s vision on ubi infrastructure •Smart space embedded with fixed devices •Users have many wireless devices •Used mostly in nomadic manner •Interact with fixed devices •Short range wireless transmission key infrastructure •License-free spectrum •Public access points •Internet as the communication backbone

3 3 Suomen Seutuverkot ry:n kevätseminaari , Pori Motivation: Information society development “Intellectual infrastructure is as important as other municipal services. The reason it’s free is that it is part of our infrastructure. You don’t pay to walk on the sidewalk, we don’t charge you to be connected.” Don Fitzgerald, City of Fredericton “That could be one of the dumbest ideas I’ve ever heard.” CEO Ivan Seidenberg, Verizon on City of San Francisco declaring its plan for a city-wide WLAN “Telcos exist to make profit, not to look after the disadvantaged.” Dianah Neff, City of Philadelphia “Onko satunnaisten ja yleensä vielä toispaikkakuntalaisten käyttäjien tarpeita varten syytä laittaa vero- varoja puistojen tai kävelykatujen tietoliikenneyhteyksien kattamiseen?” Rauli Svento, FiCom “Pohjois-Suomeen suuntautuvilla työmatkoillani yövyn mieluusti Oulussa, kiitos panOULU-verkon tarjoaman avoimen Internet-yhteyden.” Myyntipäällikkö, kv. IT-yritys © Tietokone ? “Kaupallisia palveluntarjoajia on niin paljon, ettei Espoo lähde rakenta-maan laajoja avoimia verkkoja.” Marke Kaukonen, Espoon kaupunki “Kun julkinen valta lähtee mukaan, se pahimmillaan haittaa tekniikan kehitystä.” Jussi Pajunen, Helsingin kaupunki “To remain competitive in the Internet era, service centers like City of Oulu must provide open and free wireless broadband Internet access!” Timo Ojala

4 4 Suomen Seutuverkot ry:n kevätseminaari , Pori Milestones of the panOULU network Signing of the panOULU agreement Network opened to the general public with visitor accounts (”vouchers”) COMPETENCE Oulu 400 program published (City of Oulu’s gift to citizens in celebration of its 400th anniversary) Removal of authentication  truly open network panOULU subscription published

5 5 Suomen Seutuverkot ry:n kevätseminaari , Pori ”Logical” structure of the panOULU network •About 730 AP’s in total •Cisco 1100 series •Cisco 1200 series •Linksys WRT54GL •Buffalo WHR-G54S •Strix OWS-2400 •Different backbone connections •xDSL •Ethernet •Single L2 network •100 Mbps Internet uplink •Centralized monitoring and management system

6 6 Suomen Seutuverkot ry:n kevätseminaari , Pori Network coverage > (Oulu region map service)http://kartta.ouka.fi

7 7 Suomen Seutuverkot ry:n kevätseminaari , Pori Access points at downtown Oulu >

8 8 Suomen Seutuverkot ry:n kevätseminaari , Pori OukaWLAN – City of Oulu’s zone in panOULU •WLAN network in city’s public service points •Building started in 2003 •Currently about 260 AP’s (target 420 AP’s by 12/2007, COMPETENCE Oulu 400 program) •Mostly indoor coverage (city hall, city hospital, city theatre, elderly centers, health stations, libraries, offices, schools, sports facilities etc.) •Outdoor coverage at selected locations (city centre, Raksila sports area, Myllyoja suburb etc.) •Also mobile hotspots (panOULU buses, mobile library, Hailuoto ferry)

9 9 Suomen Seutuverkot ry:n kevätseminaari , Pori OukaWLAN at Oulu City Hospital •25 AP’s in 5 departments and common facilities •Secure okswlan for hospital’s own use •Staff uses wireless terminals at patient rooms •Open and free panOULU for patients and their visitors •Wireless devices (laptops, internet tablets) are available at departments

10 10 Suomen Seutuverkot ry:n kevätseminaari , Pori COMPETENCE Oulu 400 program •2.4 MEUR development program (5/2005 – 12/2007) •Several subprojects •panOULU •Improving citizen’s IT skills and access •Citizen’s Portal with municipal e-services •Provisioning of public terminals •panOULU subproject •Expands city’z zone in panOULU by 400 AP’s till 12/2007 •240/400 AP’s installed by 3/2007 •Includes 60 AP WLAN mesh for outdoor coverage •Sponsors panOULU core services •Implemented in collaboration with University of Oulu and Oulu Polytechnic

11 11 Suomen Seutuverkot ry:n kevätseminaari , Pori OukaWLAN MESH •Extends outdoor coverage at city centre and other selected areas •60 AP’s (Strix Systems OWS series) •Network is built by Nordic LAN&WAN Communication by 10/2007

12 12 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU subscription •Operator provided ”turnkey” solution, which comprises of … •Broadband connection (xDSL) •Standard business subscription for production use •Traffic routed via operator’s uplink (VLAN #1) •WLAN AP(s), switch and L2 connection for hooking up the AP(s) into panOULU core •Traffic routed via panOULU’s uplink (VLAN #2) •L2 connection  roaming with existing panOULU network •Installation and maintenance

13 13 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU subscription (cont.) •Leasing package (operator owns all hardware) •Subscriber does not have to invest in hardware •Two principal services •Business subscription for subscriber’s own production use •Open and free panOULU hotspot for guests and visitors •Improves customer service, productivity and image •Organizations having selected panOULU subscription •Airport (Finavia) •Bank (Oulun Osuuspankki) •Church (Oulun Tuomiokirkko) •Department store (Stockmann) •Gas station •IT companies •Media companies •Large management and technical training institute (POHTO) •Restaurants, pubs and cafes

14 14 Suomen Seutuverkot ry:n kevätseminaari , Pori Network services provided in panOULU network •Open and free Internet access •Private dynamic IPv4 address (DHCP + NAT) •Public IPv4 addresses are also available •Public IPv6 address •No authentication / registration •No payment •No limitations on bandwidth and applications •Exception: outgoing port 25 (SMTP) is blocked •Outgoing server (mail.panoulu.net) •Open and free ”horizontal” access network available to the whole community! •Free to the user, not to those resourcing the network

15 15 Suomen Seutuverkot ry:n kevätseminaari , Pori Supplementary services provided in panOULU network •Web pages (http://www.panoulu.net)http://www.panoulu.net •Documentation, usage statistics, FAQ, Wiki, etc. •End user support • •Telephone: (08) •panOULU specific ”value added services” ? •We wish to treat panOULU as pure open access network •AP-ID positioning >

16 16 Suomen Seutuverkot ry:n kevätseminaari , Pori •IP  MAC  AP ID from syslog messages •Location available in different formats (AP ID, KKJ3, WGS84) AP ID positioning >

17 17 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU LBS (location-based services) •Example: location-based browsing of Kaenkky.com

18 18 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU as Internet access network Number of WLAN cards using the panOULU network in 1/2004 – 3/2007 Removal of authentication

19 19 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU as Internet access network (cont.) Large proportion of users are newcomers and/or one-time users!

20 20 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU as Internet access network (cont.) WLAN-phones are coming!

21 21 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU R&D resources •Centralized management and monitoring system (in-house) •Advanced network analysis system (Clarified Networks) •SIP infrastructure (Nokia & Icecom) •Mobile IP infrastructure (Secgo Software)

22 22 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU R&D types •panOULU network itself is an interesting research target •For example see Ojala et. al (WirelessCom 2005) •Number of research projects have utilized panOULU network •E.g. All-IP, CAPNET, Rotuaari, IST-Anemone •Handover/mobility management, subjective QoS, mobile multimedia services •Multi-party service pilots in true environment of use •E.g. UMA, Mobile IP, panOULU buses

23 23 Suomen Seutuverkot ry:n kevätseminaari , Pori R&D: UMA (Unlicensed Mobile Access) pilot •Consortium: Nokia, DNA, City of Oulu •Goal: Evaluation of UMA technology in true environment of use •Access to GSM/GPRS mobile services over unlicensed spectrum (WLAN/BT) •Priorization of connection types: WLAN > GPRS/3G

24 24 Suomen Seutuverkot ry:n kevätseminaari , Pori R&D: Mobile IP pilot •Consortium: City of Oulu, Fujitsu Services, Secgo Software •Goal: Safe and seamless connections for City of Oulu’s mobile workers in a multi-access network environment

25 25 Suomen Seutuverkot ry:n kevätseminaari , Pori R&D: Flash-OFDM pilot •Consortium: City of Oulu, Digita, Alamäki, Koskilinjat, Buscom, Destia •WLAN access to selected panOULU buses and Hailuoto ferry using (Flash-OFDM) as uplink •IP addressing by connecting WLAN AP’s into panOULU DHCP over VPN tunnel coverage in Oulu region

26 26 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU - successful public-private partnership (PPP) •Public sector •City of Oulu: public service areas •University & Polytechnic & VTT: own visitor networks •Private sector •Operators: provide panOULU subscriptions •Companies: purchase panOULU subscriptions •Public sector as the initiator and catalyst

27 27 Suomen Seutuverkot ry:n kevätseminaari , Pori panOULU network – why? WHEN MERGED INTO panOULU, THE SUBNETS ARE MANY TIMES MORE VALUABLE THAN IF THEY WERE SEPARATE !!!

28 28 Suomen Seutuverkot ry:n kevätseminaari , Pori Ongoing/upcoming work •Expansion of the network •COMPETENCE Oulu 400 program / panOULU subproject •University, Polytechnic and VTT expand their visitor networks •Deployment of panOULU subscriptions •Further development of panOULU R&D platform •panOULU LBS (location-based services) project •Related subprojects of COMPETENCE Oulu program •Improving the awareness of the general public •Citizens’ terminals •Citizens’ service portal •Updating the panOULU agreement •Three new actors: Elisa, Netplaza, VTT •New forms of co-operation: panOULU subscription, R&D

29 29 Suomen Seutuverkot ry:n kevätseminaari , Pori Future challenges •Defining City of Oulu’s panOULU operational model •Defining regional panOULU concept (”panOULUnseutu”) •Analysis of panOULU’s economic impact •Analysis of panOULU’s social impact •Improving the awareness of the general public •Legal issues

30 30 Suomen Seutuverkot ry:n kevätseminaari , Pori Regional ”panOULUnseutu” •panOULU is a functional and established concept •Expansion of the network to nearby communities? •Pilots •Hailuoto ferry (in cooperation with Hailuoto, Oulunsalo and Destia) •Ylikiiminki community center hotspot in 4/2007 •(panOULU is already available in Kajaani and Kokkola) •panOULU provides core services •Negotiations ongoing with nearby municipalities …

31 31 Suomen Seutuverkot ry:n kevätseminaari , Pori Concluding remark To remain competitive in the Internet era, service centers like City of Oulu must provide open and free wireless broadband Internet access! Note: there are many alternate approaches for accomplishing this!

32 32 Suomen Seutuverkot ry:n kevätseminaari , Pori Thank you! Professor Timo Ojala University of Oulu Department of Electrical and Information Engineering MediaTeam Oulu research group


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