GRNET October 2000

GRNETGreek Research & Technology

Network http://www.grnet.gr/index_en.html

Tryfon K. Chiotis tchiotis@grnet.gr Dimitrios K. Kalogeras dkalo@ntua.gr Yiannis Skopoulis scopouli@uoi.gr

GRNET October 2000

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 October 2000

International Collaboration• TEN-155 (QUANTUM), GEANT

Athens PoP 155 Mbps• Q-MED

Quality R&E Network Technology, Cyprus - Israel

• MEDNET Regional R&E - 12 Mediterranean Countries

• Internet2 International Member

GRNET October 2000

National Initiatives• Real time services• IPv6 support• MPLS• Optical connectivity• Directory service – LDAP scheme• Managed Bandwidth Service• Monitoring tools (http://netmon.grnet.gr)

GRNET October 2000

TF-TANT Synergy• MPLS testbed

• Diffserv Service definition proposal for

transantlantik links

• Multicast

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

GRNET October 2000

Balkan Regional Network

INIM A

MARNETUNICOM-B

RoEduNet/

RNC

GEANT

2 M bps10 Mbps34 Mbps

155M bps

GRNET

GRNET October 2000

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 October 2000

Upcoming services• Large scale conference• Directories for access to GRNET2• PKI• High school integration• GRID platform (e.g. Interconnection

of High Energy Physics PC farms)• More IPv6 services (dns, www, etc)

GRNET October 2000

GRNET2• 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 October 2000

WAN layout

N x 2.5 G bps P oSN x 622 M bps / 2 .5G bps PoSN x 622 M bps / 2 .5G bps PoS (backup)

GRNET October 2000

Gigapop general overview

Custom erNetw ork

G igabit E therne t Sw itchC ustom er N etwork

Access R outer(M PLS C E)

GigaPoP

G igabit E therne t AccessSwitch

G igab it R oute r(M PLS P)ΑΤΜ A ccess

Sw itch

W AN / M AN

W D MAD M

W D M AD M

W D MAD M

Backbone

G R -N et AccessR outer (M PLS PE)

W AN / M AN

W avele ng th

W ave le ng thW ave le ng thW ave le ng th

G iga b it E the rne tΑ ΤΜ 155 M bps

P o S 2 .5 G bps

GRNET October 2000

Conventional Pop

Othernetwork

G igabit E therne t AccessSw itch

O ther networkaccess route r (M PLS

C E)

ConventionalPoP

G igabit E thernet AccessSw itch

ΑΤ Μ AccessSwitch

W D MAD M

W D M AD M

W D MAD M

Backbone

G R -N et AccessR outer (M PLS PE)

W avelen gth

W ave len gthW ave len gthW ave len gth

G igab it E the rne tΑ ΤΜ 1 55 M b ps

P oS 622 M bps /2 .5 G bp s

GRNET October 2000

Distributed Gigapop (MAN)

G R -N et accessrouter (M PLS PE )

G igab it R outer (M P LSP )

D W DMA DM

Gig

abit

Eth

erne

tsw

itch

G R -N et accessrouter (M P LSPE )

W ANG R-N et

C ustom er networkaccess router

O ther networks'adm in is tra tivedom ainsO TEadm in is tra tivedom ain

GRNET October 2000

GRNET2 specs.• λ dimensioning (protection, 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 October 2000

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