David Domingo Alegre
academic, teaching, research webpage

for personal information and other projects jump to my personal page 


Working

i2CAT Network Operations Center: head network engineer [i2CAT NOC]
GigaCAT platform: i2CAT IP core network [GigaCAT]
i2CAT Foundation: Innovation and research in Internet of second generation in Catalonia (Spain) [i2CAT Foundation]
Advanced Broadband Communications Center [CCABA]
Technical University of Catalonia, Spain [UPC]

main tasks
[2004-2007]
  • Management and maintenance of network core equipment: gigabit routers, an edge router, fast/gigabit ethernet switches and DWDM multiplexors.
  • Management and maintenance of the DNS server (IPv4 and IPv6). Address and name assignement as requested.
  • Management and maintenance to comercial internet access trough Firewall and NAT.
  • Core multicast maintenance.
  • Network design, management of new connections to the network. IPv4 and IPv6, public and private addressing desing and assignement.
  • Network management. Network traffic and connectivity monitoring with SNMP. Security policies management.
  • Demonstration workstation maintenance. Keep up to date with the video servers.
  • Maintenance of network management center and network technologies demonstrator.
  • GigaCAT web server maintenance. Frequently information updates about network configurations. Intranet updates with activities reports, traffic graphs and useful software.
  • Network activities support. External connections, demonstratios and tests. That includes network design, config, debugging and reporting.
  • Network measurement over the experimental network.

    activities and projects
    [2007]
  • Salo UPC TV. Design, setup, configuration and suport of the network. Multicast, IPTV.
  • GLIF optical connection configuration.
  • Core optical and IP network redesign. 10Gbps, Jumbo Frames, multicast, IPv6.
  • Project Phosphorus. Network test-bed design and configuration.

    [2006]
  • New users and networks deployments: TV3, ISOC-CAT, 22@, LCFIB, EAPC, IOC, ESCAC, CANET, BTV.
  • Domains .CAT management.
  • HEANET, CARISMA, XAC, Phosphorus, FIRM, AprencAT, projects. Network support.
  • New NOC middleware servers. Setup and design.
  • TIFANIS project. Tele-Immersion For Applications Supporting New Interactive Services. Network support.
  • Projecte Integrat project participation. Setup and network deployment for presentations.
  • UCLP-GridON demonstration at IGRID (USA). L2VPN between USA, Canada and Barcelona (Spain). Network design, deployment and support.
  • INFOCOM2006 volunteer.
  • New network and middleware services setup and configuration.
  • Ultragrid HDTV demonstration at UPC. Network design and deployment.
  • UCLP demonstration at HEANET (Ireland). L2VPN between Ireland and Barcelona (Spain). Network design and support.
  • DancingQ: Ultragrid demonstration at Mercat de les Flors. L2VPN between Korea, Canada and Barcelona (Spain). Network design, deployment and support.
  • Core optical and electrical network redesign.
  • GLIF optical connection design.
  • First drafts of the implantation of IPv6 in the data network of UPC.

    [2005]
  • Cisco 12008 upgrade.
  • Multiple networks redesign and expansion
  • Stable multicast deployment on core and user networks.
  • IPv4/IPv6 address migration
  • IPv6 network redesign
  • RedIRIS IPv6 Forum participation
  • COSF, CARISMA, ENIGMA, VideoSAlut, MediaPark, PNVoIP, AprencAT, XAC, UCLP-HEANET, UCLP projects. Network support
  • UCLP demonstration at APAN (Korea) network support. L2VPN between Korea and Barcelona (Spain) and local scenario.
  • UCLP demonstration at VIOLA (Germany) network support. L2VPN between Germany and Barcelona (Spain) and local scenario.
  • HDV demonstration at Sao Paulo (Brazil) network support.
  • Megaconference7 participation.
  • Marxa Blanca act. Network deployment and support.
  • Projecte Integrat project participation. Setup and maintenance of a capture point and traffic analyzer.
  • TIFANIS project. Tele-Immersion For Applications Supporting New Interactive Services. Network support.

    [2004]
  • Global IPv6. HDTV transmission from Brussels to Barcelona. IPv6 over IPv4 tunnels.
  • Tranmission of UPC 25th birthday ceremonies. HD over IP.
  • Opera Learning. E-learning.
  • Open Forum. Multicast streaming of Barcelona Forum 2004 contents.
  • TIFANIS project. Tele-Immersion For Applications Supporting New Interactive Services. Initial support and development.
  • Catalan language spreading act. Videoconference between Barcelona and Canada.
  • UCLP demonstration software at CRC (Canada) support. L2VPN between Canada and Barcelona and local scenario.
  • UCLP demonstration software at BEXCO (Korea) support. L2VPN between Korea and Barcelona (Spain)
  • ArtFutura. Conference connection to Internet/Internet2 for video transmissions.
  • Megaconference. H323 videoconference participation.
  • Introduction of optical networks between UPC-Castelldefels and UPC-Barcelona.
  • Distributed network scenario design for GRID computing projects.

    PhD. studing

    PhD. courses of Computer Architecture and Technology
    intensification in Computer Networks and Distributed Systems
    at Department of Computer Architecture [DAC]
    Technical University of Catalonia, Spain [UPC]

    courses
    [2006-2007]
  • Broadband Communicatiosn: ATM Networks (final work about IP over ATM)
  • Broadband Technologies for Integrated Services Networks and Multimedia (final work about 10 Gigabit Ethernet)
  • Next Generation Networks. Quality of Service, IPv4 - IPv6 transition (final work about VPLS)
  • Public Key Infrastructure (pki). Digital signature and certification (final work about S-BGP)
  • Performance modelling and evaluation of eBusiness Systems
  • Optical Networks (final work about Active Ethernet)

    works
    [2006-2007]
  • First drafts of the implantation of IPv6 in campus data networks.
  • Measurement and analysis of intercontinental HDTV traffic.
  • Salo UPC. Experience with multicast HD IPTV.
  • Design and implementation of a optical/electrical experimental network

    thesis
    [2007-...]
    Enhance TCP for long-distance delays

    Teaching

    subject
    [2005-2006]
    Demoscene, art in real time [DATR]
    Barcelona School of Informatics [FIB]
    Technical University of Catalonia, Spain [UPC]


    Contact

    [ ADDRESS ]
    David Domingo Alegre
    UPC Campus Nord Ṃdul D6 Despatx 008
    c/Jordi Girona, 1-3
    08034 Barcelona, Catalunya (Spain)
    [ EMAIL ] ddomingo@ac.upc.edu
    [ PHONE ] +34934011782
    [ MOBILE ] +34696784897
    [ FAX ] +34934017055


    ...


    last update: april 2007