DataTAG project presentation -Internet2 Spring meeting ...

DataTAG project presentation -Internet2 Spring meeting ...

The DataTAG Project Internet2 Spring Member meeting 8 April 2003, Arlington, USA Olivier H. Martin / CERN http://www.datatag.org DataTAG Mission TransAtlantic Grid EU US Grid network research High Performance Transport protocols Inter-domain QoS Advance bandwidth reservation EU US Grid Interoperability Sister project to EU DataGRID

Jan 22, 2020 The DataTAG Project (2) Funding agencies Cooperating Networks 22. janv. 2020 The DataTAG Project (3) EU collaborators Brunel University CERN CLRC CNAF

NIKHEF PPARC UvA University of Manchester University of Padova University of Milano

University of Torino UCL DANTE INFN INRIA 22. janv. 2020 The DataTAG Project (4) US collaborators ANL Caltech Fermilab

Northwestern University UIC University of Chicago University of Michigan FSU Globus Indiana SLAC

Wisconsin Starlight 22. janv. 2020 The DataTAG Project (5) Project information Two years project started on 1/1/2002 3.9 MEUROs 50% Circuit cost, hardware Manpower WP1:

extension until 1Q04 under consideration Establishment of a high performance intercontinental Grid testbed (CERN) WP2: High performance networking (PPARC) WP3 WP4 Bulk data transfer validations and application performance monitoring (UvA) Interoperability between Grid domains (INFN) WP5 & WP6

Dissemination and project management (CERN) 22. janv. 2020 The DataTAG Project (6) Interoperability Framework EU Part US Part DataTAGWP4 iVDGL HICB DataGRID GLU E Griphyn/PPDG HEP experiments and LCG 22. janv. 2020

The DataTAG Project LCG middleware (7) selection The WorldGRID transatlantic testbed A successful example of Grid interoperability across EU and US domains Flavia Donno (Former DataTAG WP4, LCG) [email protected] http://chep03.ucsd.edu/files/249.ppt DataTag is a project funded by the European Union CHEP CHEP 2003 2003 24-28 24-28 March March 2003 no. (1)- Solutions Different Grid Architectures (VDT server/client vs. Computing Elements, Storage Elements, User Interfaces,

Ressource Broker, Replica Catalog,) UI VDT Client RC SE RB IS RC IS CE VDT Server DataTag is a project funded by the European Union CHEP 2003 24-28 March 2003 n o 9 Final Architecture UI VDT Client RC SE

RB IS CE VDT Server DataTag is a project funded by the European Union CHEP 2003 24-28 March 2003 n o 10 DataTAG testbed status Evolution of the testbed 2.5G circuit in operation since August 20, 2002 On request from the partners, the testbed evolved from a simple layer3 testbed into an extremely rich, most probably unique, multivendor layer2 & layer 3 testbed Alcatel, Cisco, Juniper Direct extensions to Amsterdam (UvA)/Surfnet (10G) & Lyon (INRIA)/VTHD (2.5G)

VPN layer 2 extension to INFN/CNAF over GEANT & GARR using Junipers MPLS In order to guarantee exclusive access to the testbed a reservation application has been developed Proved to be essential 22. janv. 2020 The DataTAG Project (12) DataTAG connectivity NewYork IT IT UK UK GARR-B SuperJANET4 Abilene Abilene

3*2.5G VPN Layer 2 STAR-LIGHT CERN GEANT ESNET ESNET > 10G G 5 . 2 10G NL NL STAR-TAP SURFnet FR FR INRIA 22. janv. 2020

MREN MREN ATRIUM/ ATRIUM/ VTHD VTHD Major 2.5/10 Gbps circuits between Europe & USA The DataTAG Project (13) Multi vendor layer 2/3 testbed Wave triangle M 2.5Gbps M Alcatel Cisco ps Juniper s Gb 10

p Gb 10 INFN (Bologna) STARLIGHT (Chicago) CERN (Geneva) Abilene Canarie ESnet INRIA (Lyon) GEANT Surfnet 2.5Gbps GBE 22. janv. 2020 GBE M=A1670 (Layer 2over SDH Mux) The DataTAG Project Juniper Extreme Summit5i Alcatel Cisco (14)

Phase I (iGRID2002) Layer2 22. janv. 2020 The DataTAG Project (15) Phase II Generic Layer 3 configuration (Oct. 2002 Feb. 2003) Servers StarLight CERN Servers GigE switch GigE switch C7606 22. janv. 2020 2.5Gbps C7606 The DataTAG Project

(16) Phase III Layer2/3 (March 2003) Layer 3 INRIA VTHD Servers Routers GigE switch Layer 2 Layer 1 GigE switch A1670 Multiplexer A7770 2.5G 2*GigE CER N

J-M10 To STARLIGHT 8*GigE C7606 C-ONS15454 10G UvA GEANT From CERN Servers GAR R 22. janv. 2020 INFN/CNAF Abilene ESNet Canari The DataTAG Project e Ditto

2.5G STARLIGHT (17) Photos Photos Photos Phase IV (September 2003?) Layer 3 INRIA VTHD Servers Routers GigE switch Layer 2 Layer 1 10GigE switch Multiplexer A7770

10G 10GigE CER N J-M10 To STARLIGHT 8*GigE C7606 C-ONS15454 10G UvA GEANT From CERN Servers GAR R 22. janv. 2020 INFN/CNAF

Abilene ESNet Canari The DataTAG Project e Ditto 2.5G STARLIGHT (21) Main achievements GLUE Interoperability effort with DataGrid, iVDGL & Globus GLUE testbed & demos VOMS design and implementation in collaboration with DataGrid VOMS evaluation within iVDGL underway

Integration of GLUE compliant components in DataGrid and VDT middleware Internet landspeed records have been beaten one after the other by DataTAG project members and/or teams closely associated with DataTAG: Atlas Canada lightpath experiment (iGRID2002) New Internet2 landspeed record (I2 LSR) by Nikhef/Caltech team (SC2002) Scalable TCP, HSTCP, GridDT & FAST experiments (DataTAG partners & Caltech) Intel 10GigE tests between CERN (Geneva) and SLAC (Sunnyvale) (Caltech, CERN, Los Alamos NL, SLAC) 22. janv. 2020 2.38Gbps sustained rate, single TCP/IP flow, 1TB in one hour (S. Ravot/Caltech) The DataTAG Project

(22) 10GigE Data Transfer Trial On Feb. 27-28, a terabyte of data was transferred in 3700 seconds by S. Ravot of Caltech between the European Commission Level3 PoP in Sunnyvale near SLAC and CERN through the TeraGrid router at StarLight from memory to memory with a single TCP/IP stream. This achievement translates to an average rate of 2.38 Gbps (using large windows and 9kB jumbo frames). This beat the former record by a factor of ~2.5 and used the US-CERN link at 99% efficiency. Conclusions TCP/IP performance issues in long distance high speed networks have been known for very many years. What is new, however, is the widespread availability of 10Gbps A&R backbones as well as the emergence of 10GigE technology. Thus, the awareness that the problem requires quick resolution has been growing rapidly during the last 2 years, hence the flurry of proposals.

HSTCP, Scalable TCP, FAST, Grid DT, XCP, Hard to predict which one will win, but simplicity and ease of deployment is definitely key to success! 22. janv. 2020 The DataTAG Project (24)

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