1. Pervasive Collaborative Computing Jawad Khaki Corporate Vice President Microsoft Corporation Windows Networking & Communications © 2003 Microsoft Corporation. All rights reserved.

2. 2 2 Introduction Vision Challenges ahead Research Issues Conclusion

3. D e m o n s t r a t i o n Collaborative Communications

5. 5 © 2003 Microsoft Corporation. All rights reserved. 5 Networking Challenges Convergence Smart integration of technologies Always-on network computing Trustworthy Easy-to-use Low cost of operation Scale

6. 6 © 2003 Microsoft Corporation. All rights reserved. 6 The Vision “Pervasive Collaborative Computing” Dream Network New Engaging Communication Experiences Next Generation Device Ecosystem

7. 7 © 2003 Microsoft Corporation. All rights reserved. 7 What is the Dream Network? Ubiquitous and always-available Easy-to-deploy and use Trustworthy Scalable and manageable End-to-end transparent

8. 8 © 2003 Microsoft Corporation. All rights reserved. 8 Challenges to the Dream Network Ubiquitous transparent end-to-end connectivity NATs, firewalls, & proxies blocking connectivity Always-on network computing Symmetric broadband Spectrum etiquette Management of unlicensed spectrum Provisioning of services Scale Multi-gigabit networking Billions of devices, billions of names Protocols that adapt to wide variation in latency & bandwidth CPU & memory bandwidth need to drive multiple gigabit pipes Fast compression & encryption

9. 9 © 2003 Microsoft Corporation. All rights reserved. 9 Trustworthy Dream Network Secure transparent network Real-time inter-domain trust Protect against distributed security threats: DOS and intrusion Network protection from unauthorized devices Network topology is not a trust topology Network security evolve from gatekeepers to immune systems Isolation based on logical association Every device is a firewall Centrally-manageable & enforceable All communications are secure Authenticated, authorized, tamperproof & private One network!

10. 10 © 2003 Microsoft Corporation. All rights reserved. 10 New Engaging Communication Experiences Real-Time Communications (RTC) Instant messaging, voice, video Real-time game play/collaboration Collaboration Project workspaces solving a goal Sharing your files with other people Content Distribution Concert, company meeting, class Distribution of product updates

11. 11 © 2003 Microsoft Corporation. All rights reserved. 11 Challenges to New Experiences Network complexity Inconsistent, complex user experiences Fragmented presence and IM infrastructures Network quality of service Network jitter/loss limits real-time audio/video Admission control, traffic prioritization Dependencies in network infrastructure prevent rapid innovation and adoption Non-adaptive applications to variable bandwidths Roaming/hand-off for mobility

12. 12 © 2003 Microsoft Corporation. All rights reserved. 12 The Evolving Device Ecosystem TV Auto PC Video Conferencing HiFi Audio Cell Phone Digital Video Camera Web Pads Phone & Voicemail Internet Games Pocket PCs Security

13. 13 © 2003 Microsoft Corporation. All rights reserved. 13 Device Ecosystem Goes beyond traditional PC peripheral New consumer experiences and solutions Assumes network connectivity for device More than a device, solution focused Not just a projector, a whiteboard or a telephone but the complete electronic meeting room Manageable, configurable, very low TCO

14. 14 © 2003 Microsoft Corporation. All rights reserved. 14 Windows ® Client Vision Integrated Innovation Sights and Sounds All about the experience Optimized Tasks Location-independent Focus on innovation Person-driven Experience Personal Computing Design and Lifestyle The PC learns your game Obvious, thus effortless Words and Numbers All about the device Optimized functionality Location-constrained Focus on Cost Technology-driven Personal Computing Features and Benefits You learn the PC ’ s game Complex, thus frustrating

15. 15 © 2003 Microsoft Corporation. All rights reserved. 15 Windows ® Longhorn Themes Fundamentals Mobility Entertainment Personal Empowerment Communications and Collaboration

16. 16 © 2003 Microsoft Corporation. All rights reserved. 16 Longhorn Networking Stack Filtering Engine TCP, UDP, IPv4, IPv6 HTTP Transport IPSEC QOS Personal Firewall TCP Offload, RDMA Wireless Services, Native Wi-Fi … NDIS 6.0 TDI Winsock Kernel Callout WinsockHTTPFilter Management P2P Transport Network Classes Web Services P2P Groups

17. 17 © 2003 Microsoft Corporation. All rights reserved. 17 Research Issues Human factors Social implications of always-on “comm-puting” Gigabit wireless networks Self-organizing, Self-healing wireless networks Disaggregated computing implications New models for storage, user interface, video, imaging? Network conscious applications Cross layer optimization of the network stack Next generation CODECs for packet Networks Next generation TCP Better tools and processes for distributed software validation and testing

18. 18 © 2003 Microsoft Corporation. All rights reserved. 18 Conclusions Pervasive Collaborative Computing next wave Interesting challenges ahead Industry & academic and regulator cooperation necessary Microsoft ® is committed to providing an easy to extend Windows platform Looking forward to a great partnership in the years ahead!