GlobalRoute sm Service Overview For NANOG 25 June 11th, 2002 GlobalRoute sm Service Overview For NANOG 25 June 11th, 2002

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 2 Benefits of ‘Service’ Minimized Risk Protection against technological obsolescence Minimize upfront capital expenditures Scalable Speed and ease of deployment Ease of upgrades Ongoing relationship 7x24x365 Support Continuous analysis by BGP/IP networking experts Alerts

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 3 Global Measurements  Exclusive license to platform from Akamai  Discovery of Internet Topology  Active Probing - Proactive detection

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 4 Customer-Specific Measurements Measurements are from Customer POV Topology Mapping Data combined with local NetFlow data Static VIPs may be added by the customer

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 5 Internet and VPN Optimization GRA ‘whispers’ routes to router via iBGP Customer control of performance and cost parameters, allows flexibility

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 6 GlobalRoute Management Console Starting point for managing GlobalRoute reports and configuration

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 7 GlobalRoute Benefits Improved route selection – We find BGP path selection goes from 30% to 90%+ with GlobalRoute Enables network engineers to take control of 95% burstable billing – flattens out peaks, resulting in lower transit bills Cut troubleshooting time

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 8 Activity Console

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 9 Shortfall GlobalRoute combines probe results into a composite figure called “shortfall” Shortfall incorporates both latency and loss Computation Shortfall is scaled between 0 and 100 Latency greater than 1500ms (configurable) is considered loss For each routable, each set of scanpoint probes is scored using their weights to determine an average Latency is treated linearly, and then loss is incorporated For each instance of packet loss there is an additional penalty in the shortfall computation Data is smoothed to minimize the impact of spikes and transient noise There is an effort to model shortfall to actual performance

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 10 Flow Data Display Top customer routables based on flow data Top prefixes and top AS’es Indicates static, dynamic, and uncontrolled routables

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 11 Latency/Loss/Shortfall Per-routable latency, loss, and shortfall

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 12 Link Comparison View the difference between any two transit links See the effects of routing decisions View data in shortfall, latency, and loss

© 2002 Sockeye Networks, Inc. 0 All Rights Reserved. 13 Route Change History 30-day history of route changes Route change details Link to relevant traceroutes