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Future Trends in Broadband: Shifts Towards Asymmetric Uploading and Enhanced User Control

This document discusses anticipated changes in broadband technology, emphasizing a shift from asymmetric download to symmetric upload connections. It highlights the growing demand for faster uploads for backups and user-generated content. The importance of IPv6 and user-controlled addresses, as well as high reliability for both residential and small business users, is also addressed. The exploration of new applications in areas like energy management, telehealth, and the necessity of secure identity services is included. Key concerns like botnet prevention and user support are highlighted alongside future Internet innovations.

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Future Trends in Broadband: Shifts Towards Asymmetric Uploading and Enhanced User Control

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  1. Broadband Vision Henning Schulzrinne Columbia University

  2. Likely changes • Asymmetric (download)  symmetric • more uploads (backups, video, other UGC) • IPv6 with lots of customer-controlled addresses • Higher peak-to-average ratio? • want quick uploads • broadband – more than 10 Mb/s download • New applications • substitution for dedicated services (video) • energy management, home safety, medical monitoring • No substantial distinction between residential and small business • LANs, lots of diverse devices, limited technical training • Some need high reliability • even with power outages

  3. New services • Multi-homing • business models that allow fail-over to secondary wired or wireless network • Content and service hosting close to edge • allows low-cost (shared) access to content • non-discriminatory • Identity services • certified geo/civic location ( needed for NG911) • subscriber certificate ( user auth, also for NG911) • Security services • e.g., botnet prevention

  4. Research issues • Engineering oriented: • reduce user frustration and support costs • multi-homing and other reliability issues • sensible usage-dependent charging • edge content and service creation • botnet detection and isolation • Longer term: • “future Internet” • NSF FIND & GENI

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