© XchangePoint Holdings Ltd 2003 RIPE 45 EIX WG Update Keith Mitchell Gian Walker 14th May 2003

© XchangePoint Holdings Ltd 2003 Recent Developments  First German site in Hamburg now in service  Operational in 7 sites in London  Now 95 customers  New AUP and SLA  LoNAP interconnect working smoothly  European expansion funding imminent

© XchangePoint Holdings Ltd 2003 Customer Growth

© XchangePoint Holdings Ltd 2003

London Locations  Redbus Interhouse:  Harbour Exchange  Memaco House  Sovereign House  Telehouse:  North  East  Global Switch:  East India  TeleCity:  Harbour Exchange

© XchangePoint Holdings Ltd 2003 Hamburg  Result of partnership arrangement with Telehouse Hamburg  At facility in Langenhorner Chaussee near airport  Live since March  Well-attended launch event on 3rd April  Currently 2 customers connected  Discussions to interconnect with other operators in Wendenstrasse facilities in advanced stage

© XchangePoint Holdings Ltd 2003 XchangePoint in Hamburg

© XchangePoint Holdings Ltd 2003 Current Traffic -  Switched traffic:  public & private  peering & transit  Now peaking 500Mb/s  Inter-site DWDM private interconnect traffic estimated at 2.2Gb/s  Within London  Mixture of Gigabit Ethernet and SDH STM-1/4/16  DWDM between 4 original sites  Adding CWDM for additional 3 sites

© XchangePoint Holdings Ltd 2003 LoNAP Interconnect  See for background  Has been running smoothly for around 5 months now  10 XchangePoint customers and 6 LoNAP members participating - total 24 VLANs  About 6Mb/s traffic through interconnect  Ready for next phase, which will be shared public peering VLAN in neutral /24  Have written up Cisco native VLAN=1 problem and submitted document to vendor

© XchangePoint Holdings Ltd 2003 New SLA and AUP (v3.5)  See  Changes mainly to safely address major demand for customers to connect switches rather than routers  Also addresses interconnect with/via 3rd-party layer- 2 network operators  Approach is to try and be as flexible as possible, but not allow anything risky  e.g. some things not prohibited but not upheld in SLA either  Makes extensive use of tagged VLANs  Also enforcing MAC address filtering per port  still need further feature support from switch vendors  Seems to be working - no major accidents to date

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