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GR NET Greek Research & Technology Network http://www.grnet.gr/index_en.html. Tryfon K. Chiotis [email protected] Dimitrios K. Kalogeras [email protected] Fotis Karayannis [email protected] Yiannis Skopoulis [email protected] GRNET.

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Gr net greek research technology network http www grnet gr index en html

GRNETGreek Research & Technology Networkhttp://www.grnet.gr/index_en.html

Tryfon K. Chiotis [email protected] Dimitrios K. Kalogeras [email protected] Fotis Karayannis [email protected] Yiannis Skopoulis [email protected]

GRNET


Grnet
GRNET

  • NRN: Greek Research Network

    General Secretariat of Research & Technology (Ministry of Development)

  • Interconnects: 55 Institutions (Universities, Research Centers, Technological Institutions) with150.000 Internet users

  • Operates Athens Internet Exchange - AIX

GRNET


International collaboration
International Collaboration

  • TEN-155 / GEANTAthens PoP 2x155 Mbps

  • MEDNET Regional R&E - 12 Non-EU Members Mediterranean Countries

  • Internet2 International Member

  • Balkan Regional Network (Bulgaria, FYROM, Rumania, Albania, Serbia)

GRNET


National initiatives
National Initiatives

  • Real time services

  • IPv6 support

  • MPLS

  • Multicast

  • Directory service – LDAP

  • ATM MBS (Managed Bandwidth Service)

  • Monitoring tools (http://netmon.grnet.gr)

GRNET


Tf ngn synergy
TF-NGN Synergy

  • MPLS test-bed

  • Over-provisioned network performance analysis

  • Optical networking

  • Diffserv Service definition proposal for transantlantik links

  • Multicast

  • Flow monitoring (http://nfa.grnet.gr/graphs/overview)

GRNET


Upcoming services
Upcoming services

  • Large scale conference

  • Directories for access to GRNET2

  • PKI

  • IP QoS

  • High-school integration

  • GRID platform (e.g. Interconnection of High Energy Physics PC farms)

  • More IPv6 services (dns, www, etc)

GRNET


Grnet 2 upgrade study
GRNET2 Upgrade Study

  • Extensive market and NRN deployment research

  • Design principles definition

    • Native IP Qos support

    • Native MPLS (VPN, TE, GB –TE)

    • Native IPv6 support

  • Optical DWDM upgrade (GigE MAN, Partial Mesh WAN)

    • N x 2.5 Gbps speeds

    • Gigapop in three cities

    • DWDM international connections

GRNET


Service oriented
Service Oriented

  • Multicast (Native, PIM-SM anycast RP)

    • 1 Line TV station and 4 Live radios

  • Infrastructure for digital content distribution (e.g. Digital Libraries)

  • Videoconferencing, H.323, MCUs – Distance Learning – Gigaconference - participant

  • VoD (Media base, etc)

  • IPv6 tunneled backbone (pTLA, sTLA assigned) 7 intl. Peering (NTT, 3Com, Sprint, BT, Switch, etc), Online automatic pTLA connectivity diagram)

  • Academic Directory service

GRNET


Wan layout
WAN layout

Xanthi

Thessaloniki

Ioannina

Larissa

Athens

Patra

Crete

GRNET


Grnet2 progress
GRNET2 progress

  • Baseline Network Design for Athens, Crete and Thessaloniki GigaPoP and other PoPs

  • Baseline Connectivity Requirements for WAN

  • Contract signed at the end of 2000 with Greek Incumbent Network Operator (Hellenic Telecommunications Organization-OTE S.A.) for λ service provisioning in Athens GigaPoP

  • Currently under negotiation with OTE for λ service provisioning in other MANs and WAN

  • Tender preparation for Athens GigaPoP IP equipment

GRNET


Grnet man requirements 1
GRNET MAN Requirements (1)

  • Mandatory/Desirable requirements

  • Fiber infrastructure

    • >= G.652 (Dispersion Un-shifted Fiber)

    • Testing tools for optical parameters’ measurement

    • 2 optical paths for each access node

    • avoid Single Points of Failure

    • Access node distance from WDM core < 10 km

    • Support for 15 Access Nodes

GRNET


Grnet man requirements 2
GRNET MAN Requirements (2)

  • WDM Networking equipment

    • Frame+bit-rate independent all-optical λ service

    • Co-location of GRNET IP equipment with WDM

    • 2,5 Gbps physical ring upgradable to 10 Gbps

    • Wavelength Adaptation capable (via transponders)

    • Spare λ for testing purposes

    • Embedded system upgradeable

    • Multiple frames in a single wavelength (D)

    • Optical switching/conversion (D)

    • Support of “Digital Wrapper” (D)

GRNET


Grnet man requirements 3
GRNET MAN Requirements (3)

  • WDM Management System

    • EML and NML functionality

    • Access to the Management System (read-only for production services, full access for testing/trials)

    • Standard northbound interfaces (EML, NML) –SNMP (M), IDL, Q3

    • GUI for read-only and/or write access

    • Configuration: provisioning, end-to-end path management

    • Fault: Alarm logging, reporting, filtering, localisation (D), correlation (D)

    • Performance: monitoring, logging, threshold crossing alarm reporting

GRNET


Athens man wdm network 1
Athens MAN WDM network (1)

λ Service Provider

building/ WDM equipment

GRNET IP

Equipment

GRNET Customers’ Equipment

(Universities, Research Institutes)

GRNET


Athens man wdm network 2
Athens MAN WDM network (2)

  • Core WDM Network composed of a ring of re-configurable OADMs

    • 80 km optical ring with 10 OADMs (no regeneration)

    • 2,5 Gbps ports (upgradeable to 10Gbps)

    • 1-32 λ per node

    • 100 Ghz spacing

    • Add/drop up to

      • 160 Gbs (upgradeable to 640 Gbps)

      • 25%,50%,100%

    • Tx/Rx Line - up to

      • 80 Gbps East (upgradeable to 320 Gbs East)

      • 80 Gbs West (upgradeable to 320 Gbs East)

GRNET


Athens man wdm network 3
Athens MAN WDM network (3)

  • Multi rate (up to 2,5 Gbps) 3R Transponders supporting Gigabit Ethernet, SDH frames, ATM etc. including 24 Transponder Shelf

  • Offers OCh SNC protection – will not be used by GRNET

  • Network Management System – Access to the NMS is negotiable

    • Configuration Management

      • End-to-end OCh SNC provisioning

    • Fault Management

      • Alarm Reporting/Filtering

    • Performance Management

      • Client layer monitoring

      • Future upgrade will support Digital Wrapper

  • To be delivered October 2001

  • GRNET



    Athens grnet gigapop 2
    Athens GRNET GigaPoP(2)

    • Access Network

      • Gigabit Ethernet for GRNET Customers’ Access

      • Protected Access (e.g. IEEE 802.1d spanning – tree)

    • Core Network - 2,5 Gbps

      • 2 x 1 Gigabit Ethernet

      • DPT/SRP 2,5 Gbps

      • PoS 2,5 Gbps

    • Customers’ VPNs

      • Gigabit Ethernet

      • ATM

      • Other

    GRNET



    Internet2 collaboration
    Internet2 collaboration

    • Videoconference

      • H.323, Megaconference

    • Middleware

      • DEN -> access Gigabit Infrastructure

      • PKI for High Schools and Universities

    • Engineering

      • QoS service definition, Multicast, IPv6

    • Advanced Application

      • Digital Libraries, Voice over IP, Dig. Video

      • Health science knowledge diffusion

      • Grid

    GRNET


    Thank you

    Thank You!

    GRNET


    Grnet2 specs
    GRNET2 specs.

    • λ dimensioning (supporting multiple framing)

    • Metro DWDM

      • Optical VPNs

      • MPλS

      • No framing - No regeneration

      • No protection (MPLS & OSPF)

    • Long haul DWDM

      • SDH framing & regeneration

      • No protection (MPLS & OSPF)

    GRNET



    Distributed gigapop man
    Distributed Gigapop (MAN)

    GRNET


    Conventional pop
    Conventional Pop

    GRNET



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