1ed__综合布线-移动方案.ppt

Session I: Mobile Data InfrastructureCharles MahSolution MarketingCisco SystemsEmail: chmah@ Agenda Mobile Data Infrastructure Trends Opportunities and chanllenges Mobile Wireless - Market drivers - Insertion opportunities - Enabling mobile data services - Summary GSM Circuit Switched Packet Switched GPRS SGSN and GGSN provide packet data services GPRS SGSN and GGSN provide packet data services CDMA IS-95A, B1xRTT, 1xEV-DO What Happens To WAP? What happens to WAP? I-Mode success continues WAP over GSM, SMS, GPRS, EDGE? WAP over cdma-1xRTT, cdma2000 The human (consumer) factors Co-existing, converging networks Enabling Differentiated Services Cousin, finally we meet! Potential Mobile Internet Congestion Content Optimization Content Optimization: Mobilize any existing application, or support new applications, to any user with any device over any given bandwidth with dynamically customized content Superior user experience Content routing based on user, bandwidth, device type User classification for priority and servicing Maximize spectral efficiency Functions Compression – Reduce Text and Image Size Transmission Optimization – Overcome TCP Limitations Transcoding – Organize for Device Display/Input Can occur in real time or preprocessed Can be client/server or server only Example: AOL – client/server Building IP Connectivity Internet Packet Data Network Data Center Application Hosting Content Optimization – Maximize Spectrum Usage Portal Implementation and differentiated Billing Negotiating with External Packet Data Networks IPv6 in the UMTS network GRPS Roaming Network Architecture Converging Operator Franchises Closing The Gaps Extending Mobility Services Mobile Internet Edges(Independent of Access Technologies) Extending Mobile Services The office environment Adding GSM-over-IP Benefits End-user benefits One person, one number, one phone, one world Full in-building coverage Access to PBX functions when in building Connectivity to data—IP is the sta