Three Challenges in Reliable Data Transport over Heterogeneous ...

Middleware Design ,[object Object],[object Object],[object Object],[object Object]

Middleware Definition ,[object Object],[object Object],[object Object],[object Object],[object Object]

Issues for Middleware Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Some middleware design goals for wireless and mobile devices ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transcoding middleware service ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transcoding design issues ,[object Object],[object Object],[object Object],[object Object]

Distillation and refinement ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Choices to handle client variations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

An Adaptive-Proxy Based Middleware Design Framework ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Why do we need a proxy ? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

A Scalable Cluster-based Infrastructure ,[object Object],[object Object],[object Object],[object Object],[object Object]

Cluster architecture Front-end Load-balancer Workstation cluster Webserver

Why do we need clusters? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

An example: adaptive transcoding proxy ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

How to decide whether to transcode? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],B pc B sp client proxy server

Details for store-and-forward image transcoding ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Transcoding internal stages ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Streamed image transcoding ,[object Object],[object Object],[object Object]

Another middleware service: Application session handoff ,[object Object],[object Object],[object Object],[object Object]

More application session handoff ,[object Object],[object Object],[object Object],[object Object],[object Object]

Broad view of system Application Server High Bandwidth Network Middleware Cluster Wireless Network Clients

Application session handoff in action Legacy Multimedia DBMS

Middleware design issues for ASH ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Summary ,[object Object],[object Object],[object Object],[object Object]

Goals for Middleware Design ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

On-demand dynamic distillation ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sharing semantics ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

BASE semantics ,[object Object],[object Object],[object Object],[object Object],[object Object]

Three Challenges in Reliable Data Transport over Heterogeneous ...

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