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Published byEarl Duffield Modified over 9 years ago
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Some problems I would like to work on George Varghese Disclaimer: Reflects purely personal taste
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State of Networking IMHO Routing: OK except BGP, multicast TCP: high BW-delay a problem? Switching and high speed: OK Issues I see: –Network security –Support for fault tolerance and debugging –Moe application level support
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State of Networking IMHO Routing: mostly OK except BGP, multicast TCP: high BW-delay a problem? Switching and high speed: fine Issues I see: –Network security –Support for fault tolerance and debugging –Moe application level support
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Network Algorithmics Definition: hardware, algorithms to combat network bottlenecks. Some problems: Time Synchronization (IEEE 1588): microsecond synchronization. Flexible high speed parsing. GENI More sophisticated statistical estimators for measurement and security. Power: design new algorithms for lookups etc. to reduce power
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Applications and Web 2.0 From the point of view of the man (kid) on the street, we are merely plumbers. More interesting to them may be: 1.Video: (e.g.,YouTube caused a stir) 2.Web 2.0 (e.g., Wikipedia, blogs) 3.Other Applications (archiving, file systems, databases etc.)
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Possible Video Issues Video routers: would routers be built differently? Video congestion control: will it cause a melt down. New TCP needed? Video QoS in routers: delay bounds? Yes, decade old research but may become current again.
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Possible issues for Web 2.0 Portability: currently services (e.g., blogs) tied to provider. Interconnection: IM state similar to networks in the 70’s (DEC, IBM etc.) Decomposability: lots of standard parts written from scratch. Amazon, S4 storage may be a wave for future.
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