ONE PLANET ONE NETWORK A MILLION POSSIBILITIES Barry Joseph Director, Offer and Product Management

»Global Crossing Today »Where is Broadband Going? Agenda

» On Net Cities » 27 On Net Countries » More than 101,000 route miles » 26 Metro Networks The Global Crossing Network » 5,000 Employees » 2002 Revenue ~$3B

Global Crossing Today Unique Reach and Bandwidth Broad Service Portfolio Connecting Top Capacity Centers Truly Global Corporation SEAMLESS NETWORK GLOBAL REACH

A Key Connection to the Research and Education Community Connecting Research Continents Proven Technologies, Architected for the Future Dedicated, Global R&E Support Technology partners SEAMLESS SUPPORT GLOBAL PARTNERSHIPS

Our Optical Core Supports A Complete Service Set DWDM Fiber Network Wavelength Service SDH SONET ATM Core Network MPLS Core Network IRU Capacity Voice & Conferencing Private Line SDH ATM DSL Dial Other Access Alternatives ATM Frame Relay IP Gateway SIA RAS IP VPN VOIP Services Video Services Internet Services

Voice IP ATM Optical MPLS Voice IP ATM Ethernet Private Line Wavelengths Network Evolution The network architecture has evolved around two key broadband technologies

Internet Access Services »Available at 64K to T1/E1 and E-3/DS3 - STM-16/OC48, FastE and GigE speeds »Fixed or burstable billing »Forefront technology »Full MPLS Core »IPV6 »Multicast »Single AS across the globe »Tier 1 provider

Global Crossing IP VPN Service™ » Robust global MPLS-te IP backbone network enables maximum throughput, performance, and full routing redundancy and resilience »Network-based solution – no unique CPE required »Service Level Agreements for jitter, availability, latency, packet loss and MTTR »Security features: anti-spoofing, DOS protection, firewalls, etc. »Flexible billing options - usage-based or committed »Highly scalable, multiple connection speeds: from sub-T1/E1 to OC48/STM16 »Supports »Secured Internet Access and Dedicated Internet Access »Remote Access Service – tunnel or gateway reservation models »IP video application

Optical Data Services Private Line Service »Secure and reliable point-to-point, digital service across five continents »Resilient, high performance network (SDH/SONET technology) »Bandwidths available from T-1 or E-1, up to OC-48/STM-16 »DACSR reliability: Diversity, Avoidance, and Customer Specified Routing Wavelength Service » Linear/unprotected, bi-directional, point-to-point wavelength ( ) connection » 2.5 or 10 Gbit/s SDH/SONET framed signal » Only carrier with ability to connect Asia, North America and Europe » High speed connectivity without capital investment of dark fiber

OPTICAL WAVELENGTHS Revised August 6, 2002 Wavelength Services

OPTICAL WAVELENGTHS Revised August 6, 2002 Wavelength Services

»Optical »Bandwidth Growth »Upgrades to 40G/OC768-STM256 »10 Gbit Ethernet »Customer control »Rapid re-provisioning »IP Convergence »“VPN-for-all” Network Roadmap

Our IP Services Vision Beyond the “Outage” IP Internet PBX PSTN VoIP Core IP VPN Multi-QoS Network Audio Conferencing Remote Site Secure remote termination Remote User Mobile User Video Conferencing ISDN gateway Extranet Partner Remote Site Mobile User Corporate HQ ATM/FR NNI Partner Remote Site Extranet Partner

»Trends »Industry beginning to stabilize »“Top City” route traffic growing »Pay as you grow discounting continues »Low commitments for IP services allows greater flexibility Pricing Model Trends

»Global, Holistic product portfolio »IP services »Optical services »Growth in broadband capabilities and service »Implementing leading edge technologies – today »Commitment to continue as Research and Education community’s partner Summary

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