1. Tiziana Ferrari Overview of INFN-GRID WP5: Network 1 Tiziana.Ferrari@cnaf.infn.it

2. Tiziana Ferrari Overview of INFN-GRID WP5: Network 2 WP Overview Current participants: –CNAF, INFN-NA, INFN-TO, INFN-PD Coordinators: –T.Ferrari (CNAF), L.Gaido (INFN-TO)

3. Tiziana Ferrari Overview of INFN-GRID WP5: Network 3 Summary of work package tasks LAN Technology –Task 1: Farms, LAN protocols and topology Data Transport Protocols –Task 2: Evaluation and improvements of the existing protocols –Task 3: New protocols Quality of Service –Task 4: Application characterization –Task 5: QoS implementation –Task 6: Dynamic network configuration New Communication Technologies –Task 7: WDM Baseline testing –Task 8: Advanced testing

4. Tiziana Ferrari Overview of INFN-GRID WP5: Network 4 Work Items for year 2001 Work Item 1: LAN technology – Task 1 –1.1 Networking issues related to the fabric architectures under analysis in WP2. Work Item 2: File Transfer Protocol – Task 2 –2.1 Study of standardization status of the ftp protocol at IETF; –2.2 Experimental evaluation of prototypes of the grid ftp, i.e. of different implementations of the extended ftp protocol under definition at the Grid Forum: e.g. Globus ftp, NCftp (NASA) and Washington University ftp; –2.3 Contribution to the definition of the extensions of the ftp protocol in collaboration with the Grid Forum; evaluation of the possibility to extend the protocol definition for the support of file transfer in a multicast scenarios through reliable multicast.

5. Tiziana Ferrari Overview of INFN-GRID WP5: Network 5 Work Items for year 2001 (cont) Work Item 3: Reliable Multicast – Task 2 –3.1 Study of state of the art of reliable multicast for the evaluation of the maturity of this architecture currently under study at IRTF; –3.2 Evaluation of the applicability of reliable multicast to replica management (sub-task to be developed in collaboration with WP2 of Data Grid); –3.3 Experimentation of reliable multicast-based ftp prototypes; –3.4 Study of applicability of multicast extensions to ftp in the framework of the Grid Forum. Work Item 4: IBP (Internet Backplane Protocol) – Task 2 –4.1 Evaluation of networking issues related to the IBP protocol; –4.2 Evaluation of IBP data server distribution in the wide area.

6. Tiziana Ferrari Overview of INFN-GRID WP5: Network 6 Work Items for year 2001 (cont) Work Item 5: SOAP (Simple Object Access Protocol) – Task 2 –5.1 Study of the IETF standard, of its suitability to the grid architecture; possible study of different software architectures achieving the same goal. Work Item 6: Traffic Monitoring – Data Grid – Task 4, Data Grid –6.1 Analysis of different monitoring solutions – both at the network and application level – to be applied to Testbed 0 and to the following test bed phases; –6.2 Possible adaptation/refinement of an existing monitoring tools/solutions to adapt them to the grid computing environment.

7. Tiziana Ferrari Overview of INFN-GRID WP5: Network 7 Work Items for year 2001 (cont) Work Item 7: MPLS (MultiProtocol Label Switching) – Task 5, Task 8 –7.1 Experimental study of the MPLS architecture when applied for implementation and configuration of wide-area Virtual Private Networks (VPN), possibly in collaboration with other national or international initiatives (e.g. GARR-G and TF-NGN); –7.2 Implementation of VPNs with bandwidth guarantees through the support of Quality of Service; –7.3 MP S: study of the architecture; possible implementation of an INFN-GRID test bed or experimental study in collaboration with other initiatives (e.g. GARR-G and/or TF-NGN). Work Item 8: WDM/dWDM– Task 7 –8.1 Study of the technology and of its evolution; –8.2 Possible implementation of a test bed in the local and/or geographic environment.

8. Tiziana Ferrari Overview of INFN-GRID WP5: Network 8 Participants Work ItemTaskINFN Participants Task1: LAN/fabric networking1Padova, TorinoF.Costa (?), L.Gaido Task2: FTP2Napoli, Padova, Torino, CNAF P.Mastroserio, L.Gaido, S.Lusso, A.Chierci, T.Ferrari Task3: Reliable Multicast2CNAFT.Ferrari Task4: IBP2Napoli, TorinoP.Mastroserio, L.Gaido, S.Lusso Task5: SOAP2CNAFA.Ghiselli, Mirabella (?) Task6: Traffic monitoring4, Data GridNapoli, CNAFP.Lo Re, T.Ferrari, Netgroup (?) Task7: MPLS5,8Torino, CNAFS.Lusso, A.Chierici, T.Ferrari Task8: WDM/dWDM7Torino, CNAfS.Lusso, T.Ferrari

9. Tiziana Ferrari Overview of INFN-GRID WP5: Network 9 Data Grid WP 7 VPN establishment: –MPLS? Traffic monitoring and modelling IPv6 Reliable multicast