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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

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

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