© XchangePoint Holdings Ltd 2003 RIPE 44 EIX WG Update Keith Mitchell Chief Technical Officer 29th January 2003

© XchangePoint Holdings Ltd 2003 XchangePoint History February 2003:Hamburg site live January 2003:70 customers on London platform to date May 2002: Switched first IPv6 traffic February 2002: First interconnect with another IXP October 2001: Successful completion of beta trial June 2001:Launch of interconnect platform March 2001:First site operational February 2001: Funding secured October 2000: Core team recruited August 2000: Company founded

© XchangePoint Holdings Ltd 2003 Recent Growth and Current Status  Now 70 customers  see  Includes:  5 major ‘PTT’s  major US OLSP  20+ other European ISPs  30+ small UK ISPs  choice of transit from over 10 major ISPs  Ethernet circuit providers  ADSL aggregation providers

© XchangePoint Holdings Ltd 2003

Interconnect Architecture  Present at multiple co-location sites per city  Dark fibre metro ring connecting all sites in city  Black Diamond 6808i or Alpine 3804 switches  DWDM equipment  Gigabit Ethernet between switches and sites  10-Gigabit capable

© XchangePoint Holdings Ltd 2003 London Locations  Currently live  Redbus Interhouse:  Harbour Exchange  Memaco House  Sovereign House  Telehouse:  North  East  Global Switch: East India  During Feb 2002  TeleCity: Harbour Exchange  Telehouse: Hamburg

© XchangePoint Holdings Ltd 2003 Current Traffic -  Switched traffic:  public & private  peering & transit  Remains steady at Mb/s  Significant growth in demand for inter-site DWDM private interconnect traffic  Mixture of Gigabit Ethernet and SDH STM-1/4/16  ~10Gb/s DWDM port capacity provisioned to date  DWDM between 4 original sites  Adding CWDM for additional 3 sites

© XchangePoint Holdings Ltd 2003 Recent Developments  Formal interconnect agreement with LoNAP .uk secondary name server live  Upgraded all switches to ExtremeWare  build 56 less painful to upgrade to than build 27 !  Amending AUP to allow controlled connection of 3rd- party switches and ethernet circuits  Transit Marketplace remains highly successful  next event London 27th February  Close to securing funding for additional European cities  at least 2 more during 2003

© XchangePoint Holdings Ltd 2003 Contact Details CTO:Keith Mitchell Business Development:Gian Walker Web: Phone: Presentations:  