View on Delft Connecting staff and students to

View on Delft Connecting staff and students to the network of the Delft University of Technology Antalya, may 16, 2001 View on Delft, TERENA networking conference, may 2001

Introduction Delft University of Technology • 7 faculties, 16 courses, among them: mathematics, electrical engineering, civil engineering, architecture, aerospace engineering, applied physics, chemical engineering, etc. • 13000 students • 4000 staff • 4 service departements, among them: DTO, department for technical support; including support for information and communication technology View on Delft, TERENA networking conference, may 2001

Introduction City of Delft • • • Mediaeval town Between Rotterdam and The Hague 90000 inhabitants Historical center of royal family Cultural centre in 16 -th and 17 -th century View on Delft, TERENA networking conference, may 2001

View on Delft (1661 -1664) Johannes Vermeer View on Delft, TERENA networking conference, may 2001

View on Delft 1664

View on Delft 1900

View on Delft 1950

View on Delft 1970

View on Delft 1980

View on Delft 1985

View op Delft 1988 Access by telephone connection (analog). NC 150 250 Staff only, dial-back “happy few” 570 campus 450 350 NC 530 125 Legend: homes of staff 700 XX student housing NC ABX View on Delft, TERENA networking conference, may 2001

View op Delft 1992 Access by telephone connection (analog). NC 150 250 570 Staff and students (individual) dial-in and dial-back. Students: “happy few” campus 450 350 NC 530 125 Legend: homes (individual) 700 XX student housing NC ABX View on Delft, TERENA networking conference, may 2001

Summary Call-in and call-back facilities 1988 First connections, on telephone exchange 1993 PSTN gateway, POTS and ISDN 1998 National provider (regional access) Current situation: • 12500 connection hours per week • 13000 student accounts • 4000 staff accounts View on Delft, TERENA networking conference, may 2001

View on Delft 1995 Start networking in student housing. NC 150 250 105 570 NC 700 90 campus 450 350 Connection by ISDN routers 530 Legend: 125 XX student housing NC ABX ISDN routers View on Delft, TERENA networking conference, may 2001

Small student housing ISDN routers • ISDN routers free • connection costs (pulses) for students • local network infrastructure made by students • IP adresses DUT (subdomains) • contacts per house • exchange of knowledge and experience View on Delft, TERENA networking conference, may 2001

View on Delft 1997 Start fiber to large student housing. NC 150 90 250 105 570 Co-operation with housing corporation 90 Legend: campus 450 350 NC 530 700 560 Fiber 10 Mb/sec 125 XX student housing NC ABX ISDN routers fiber 10 Mb/s View on Delft, TERENA networking conference, may 2001

Large student housing Fiber connectivity • co-operation with housing agency DUWO • DUWO takes care of network infrastructure • network maintenance and support by DUT • IP adresses DUT (subdomain) • “netwerknestor” per location (local network management) • costs fl. 12, - till fl. 15, - per month per occupant • student organisation OLI for student support View on Delft, TERENA networking conference, may 2001

View on Delft, TERENA networking conference, may 2001

View on Delft Complex Balthasar van de Polweg View on Delft, TERENA networking conference, may 2001

View on Delft 1999 Start networking in student housing. NC 150 90 250 105 570 Connection by ISDN routers (64 -128 Kb/s) 90 Legend: campus 450 350 NC 530 125 100 700 XX student housing NC ABX ISDN routers 560 fiber 10 Mb/s View on Delft, TERENA networking conference, may 2001

ADSL DOWNSTREAM CAPACITY • • • for staff for students for student groups 256 / 512 Kb/s 0, 5 / 1 / 2 / 4 Mb/s View on Delft, TERENA networking conference, may 2001

ADSL realized • students individual • groups 2 - 5 • groups 6 - 10 • groups 11 - 20 • groups 21 - 40 • staff individual capacity number 256/512 Kbit/s 1 Mbit/s 2 Mbit/s 4 Mbit/s 256/512 Kbit/s 50 / 105 41 / 261 2 / 59 3 / 23 3/6 28 / 103 data: may 6 2001 View on Delft, TERENA networking conference, may 2001

Fiber to the dormitory • capacity 2 Mb p. p. with a contingency factor of 20% • 2600 students on 5 locations • traffic separation between students DUT and other occupants • authentication and autorisation by smartcard View on Delft, TERENA networking conference, may 2001

Fiber to the dormitory Traffic routing Dormitory DUT Delft University of Technology OIHE other institute of higher education Cistron Commercial provider DUT OIHE Cistron student DUT student OIHE non-student View on Delft, TERENA networking conference, may 2001

Fiber to the dormitory To reduce the costs • Don’t economize on network equipment. • Make simple and clear arrangements in relation to administration and organization with housing agency and other providers. • Use students to support other students. • Use students for local network management. View on Delft, TERENA networking conference, may 2001

View on Delft 2001 Most connections by ADSL or by fiber. NC 150 90 250 105 570 90 Legend: campus 450 350 NC Fiber minimal 100 Mb/s up to 1 Gb/s. 530 125 100 700 560 ADSL XX student housing NC ABX fiber min. 100 Mb/s View on Delft, TERENA networking conference, may 2001