Networking in Italy Davide Salomoni

The GARR Network zGARR: Gruppo Armonizzazione Reti Ricerca (1988) - Participants: Universities, INFN, CNR, other research institutes in Italy zNon-profit organization zEvolution: yGARR-1 (TDM: DECnet IV/V, IP, SNA, X ) yGARR-2 (mostly IP, max bandwidth 2Mbit/s ) yGARR-B (IP only, 34Mbit/s )

GARR-B zHigh-bandwidth infrastructure (34-155M) based on ATM VPs (CBR), with high-speed links to European research network and the Internet z15 PoP throughout Italy - the PoPs are in the Telecom premises, but the network is managed by the GARR consortium (practically speaking, at the moment, by INFN) zUser’s access to the network from 64K to 34M, w/ several technologies (ATM, Frame Relay, Leased lines) zSharing of a single physical 34M to a PoP between different users via ATM VP/VCs

GARR-B Management zINFN is (temporarily) managing the GARR-B network yThe GARR-B central management office is in Rome yThe GARR-B NOC INFN/CNAF (Bologna) xIP configuration and routing, HW/SW monitoring and troubleshooting, trouble tickets, interface to the GARR-B Access Port Managers, reports, Routing Registry, Internet Registry (LIR) (NOC) (LIR) yPlanning of GARR-C yManagement of the international connections and participation to international committees xTEN-155 and related research projects xG7-GIBN (IT2)

Network Management zPublic tools yTraffic statistics yTrouble Tickets yThe Looking Glass yTraceroute Server yWeather Maps zPrivate tools yNoc On Line (NOCOL) yOn-line Hardware Inventory yAllocation of private AS yAutomated tools and robots for LIR and RR-related tasks

Research zPhased introduction of native multicasting into the network (PIM-SM with MBGP peering, connected to the existing DVMRP cloud) zPlanning and installation of other services directly connected to the PoPs ynews yweb caching zQoS, in collaboration with European projects (TF-TANT) yIntServ (RSVP) and mapping to ATM QoS yDiffServ (IP Precedence and “true” DiffServ - see draft-ietf- diffserv-framework-02.txt)

GARR-B Frankfurt NY Princeton (ESnet)

The GARR-B backbone POP - Bologna RCRT RCRT POP - Roma POP - Milano RC RT POP - Napoli RC RT TEN -155 DE US (NY) ESnet Princeton

Access to GARR-B ATM GARR-B PoP RC RT User y User w User z User x International or Domestic Peer

A Transit PoP GARR-B PoP RC RT Mgmt Router ISDN GARR-B Ethernet Fast Ethernet ATM

Physical Topology POP - Bologna RC RT RC RT POP - Roma POP - Milano RCRT POP - Napoli RCRT TEN -155 DE ESnet Princeton US (NY)

IP Routing in GARR-B Napoli-RT RouteReflector Roma-RT RouteReflector Bologna-RT RouteReflector Milano-RT RouteReflector Routing protocols: IBGP OSPF Milano-RC RouteReflector Client Bologna-RC RouteReflector Client Roma-RC RouteReflector Client Napoli-RC RouteReflector Client Torino-RC RouteReflector Client

Migration from GARR-2 Napoli-RT Roma-RT Bologna-RT Milano-RT Routing Protocols: IBGP OSPF EBGP Milano-RC ISPs NAP AS-CILEA ISP Roma-RC AS-ROMA NAP INROMA ISP ISPs Bologna-RCAS-CINECA ISP

Use of Private AS AS-P3 AS-P2 AS-P1 AS-137 ISP RU RT RC A) “remove-private-as” on RC AS-P1 sees  AS-137 AS-P3 sees  AS-137 ISP sees  AS-137 RT sees  AS-P2 B) “remove-private-as” on RT AS-P1 sees  AS-P2 AS-P3 sees  AS-P2 ISP sees  AS-137 RT sees  AS-P2 AS-137 sends to AS-Px: ^$ AS-P1, AS-P3 get from AS-137: ^137$ AS-137 sends to AS-Px: ^$ and AS-Py AS-P1, AS-P3 get from AS-137:.* *

International Connectivity zATM to Frankfurt (TEN-155) - separate VCs for yUS (New -- access to “the Internet” (excluding ESnet!) -- access to TEN-155 and European peers zT1 (1.5M) to Princeton -- used just to connect GARR to ESnet

GARR-SLAC? zCurrently, using the 1.5M from GARR to Princeton -- obviously not sufficient for BaBar zAgreements permitting ($$$), it’s technically feasible (right now) to have direct access from GARR to or more using e.g. an ATM VC; US endpoint? ye.g. NY (ESnet PoP) ySLAC? (dedicated link to BaBar) zWhat are we to transfer via network to a regional center? yDSTs? Size? Who extracts the DSTs (real-time?) from Objectivity? yESD+AOD+Tags? ~2.2MB/sec = 17.6Mbit/sec