Research and Development 1 LINX44 AGM Webcasting the Olympics Brandon Butterworth

Research and Development 2 Webcasting the Olympics More like Summer of Sports, a number of events from June through August including: More like Summer of Sports, a number of events from June through August including: Euro 2004 Euro 2004 Some Wimbledon Some Wimbledon Lots of Olympics Lots of Olympics Other events in planning Other events in planning

Research and Development 3 Webcasting the Olympics BBC has acquired UK broadband rights to a number of events BBC has acquired UK broadband rights to a number of events This is new direction and expected to grow This is new direction and expected to grow Conditional on UK only users - access via BBCi Broadband providers Conditional on UK only users - access via BBCi Broadband providers No international access allowed No international access allowed

Research and Development 4 Webcasting the Olympics Limiting to UK reduces potential audience Limiting to UK reduces potential audience Previously peaked 42K streams (2.4Gbit/s) for toppling Saddam statue Previously peaked 42K streams (2.4Gbit/s) for toppling Saddam statue That was narrowband, UK & international That was narrowband, UK & international Olympics predicted 50K concurrent UK streams Olympics predicted 50K concurrent UK streams

Research and Development 5 Legacy Unicast Regular unicast Real Media and sometimes Windows Media streams continue Regular unicast Real Media and sometimes Windows Media streams continue Starting to get to the limits of sensible scalability Starting to get to the limits of sensible scalability 250kbit/s = 12.5Gbit/s 250kbit/s = 12.5Gbit/s Private peers added to avoided congesting our LINX ports Private peers added to avoided congesting our LINX ports Anyone who needs a PI contact Some of you need to do this (largest peer estimated will be 2.5Gbit/s) Anyone who needs a PI contact Some of you need to do this (largest peer estimated will be Some propositions avoided due to scale Some propositions avoided due to scale

Research and Development 6 Multicast Trial Previous trials and conference presentations through 2001 showed technical interest Previous trials and conference presentations through 2001 showed technical interest Lack of business need meant no pressure to overcome technical limitations Lack of business need meant no pressure to overcome technical limitations BBC to start presenting content multicast only to provide that business need BBC to start presenting content multicast only to provide that business need Technical obstacles remain and are understood, the purpose of the trial is to encourage solutions Technical obstacles remain and are understood, the purpose of the trial is to encourage solutions Equipment has matured, ADSL now widespread Equipment has matured, ADSL now widespread Broadband is the target, POTS survived on unicast Broadband is the target, POTS survived on unicast

Research and Development 7 Multicast Trial Plan Work with a number of pioneer ISPs, all welcome Work with a number of pioneer ISPs, all welcome Olympics will include 6 streams some available only on digital tv Olympics will include 6 streams some available only on digital tv Regular broadband rates Regular broadband rates 225Kbit/s with some extreme 500K or 1Mbit/s 225Kbit/s with some extreme 500K or 1Mbit/s Mostly delivery trial so content will be Real 10 Mostly delivery trial so content will be Real 10 Some content trials too Some content trials too Other platforms with limited user base will be run in parallel (e.g. H264/AVC, perhaps BBC video codec) Other platforms with limited user base will be run in parallel (e.g. H264/AVC, perhaps BBC video codec)

Research and Development 8 Multicast Trial Plan Standalone infrastructure, new ASN Standalone infrastructure, new ASN Dedicated LINX & LoNAP ports, PIs in Telehouse North if required (desire higher QoS than unicast) Dedicated LINX & LoNAP ports, PIs in Telehouse North if required (desire higher QoS than unicast) UK only routes as per BBCi Broadband UK only routes as per BBCi Broadband Non UK use will be policed (unicast too) Non UK use will be policed (unicast too) Sustaining services - at least 24x7 radio stations Sustaining services - at least 24x7 radio stations

Research and Development 9 Webcasting the Olympics R&D led project, not a production service R&D led project, not a production service Lots of details to work out, test phase April - July Lots of details to work out, test phase April - July We reserve the right to try things that don’t work out We reserve the right to try things that don’t work out We encourage people to join in as predictions may be wrong swamping unicast platform We encourage people to join in as predictions may be wrong swamping unicast platform Feedback welcome, we’ll have engineer time allocated to working with ISPs and understanding issues Feedback welcome, we’ll have engineer time allocated to working with ISPs and understanding issues

Research and Development 10 Questions