1. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester Networking from the UK Richard Hughes-Jones PPNCG

2. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester SuperJANET4 Upgrade  Core network running at 10 Gbit since July 02  Access links upgrades Newcastle Cardiff, Bristol 2.5Gbit Manchester 10 Gbit (Oct 02) Reading 622 Mbit (Oct 02)  TVN now at 2.5 Gbit  SuperJANET backbone upgrade in Scotland complete

3. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester NorMAN YHMAN EMMAN EastNet External Links LMN Kentish MAN LeNSESWERN South Wales MAN TVN MidMAN Northern Ireland North Wales MAN NNW C&NL MAN GlasgowEdinburgh Warrington Leeds Reading London BristolPortsmouth EaStMAN UHI Network Clydenet AbMAN University College London connection to test-bed network External Links University of Manchester connection to test-bed network 10Gbit/s multiplexed 4*2.5Gbit/s channels FaTMAN Due Summer 2002

4. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester International Connectivity  Global IP Access KPNQWest – administration May 02 Interim arrangement with Worldcom in place early June 02 Accelerated procurement for Global IP transit in June 02 Sprint & Level3 both at 2.5 Gbit  Research Link Teleglobe ceased its voice and data services on 30 th June 2002 Following tests on 25 th June the research traffic to Abilene and ESNET was transferred to the GEANT service

5. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester International Connectivity Internet Worldcom Internet Level3 Internet Sprint LINX GEANT TeleCity TelehouseLondon C-PoP Reading C-PoP GE

6. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester RAL to SLAC (14 th August to 3 rd September 2002) UK->US US->UK UK-FR-DE-AbileneUK-ESnet US-DE-FR-UKUS-AT-CH-FR-UKUS-DE-FR-UKUS-UKUS-AT-CH-FR-UK RAL-SLAC Rtt

7. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester ICFAMON Plot from RAL to SLAC for 24 Aug to 6 Sep 2002 Connectivity to US  Very similar to Feb-Mar 02 plot 150  s Almost zero packet loss

8. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester ICFAMON Plot from RAL to CERN for 24 Aug to 6 Sep 2002 Connectivity to Europe  Similar to earlier this year  Rtt variable, DESY similar

9. ICFA SCIC Meeting CERN 28 Sep 02 R. Hughes-Jones Manchester Summary  UKERNA has maintained continuity of service despite changes in suppliers.  Performance delivered to user remained good.