Duanpei Wu is a Principal Engineer in architecture and software at Cisco Systems, Inc. He has been involved in telecommunications for 30+ years with a variety of working areas including large scale distributed conference infrastructures, cloud-enterprise media fusion, media streaming, media codec, and server/client development. Duanpei holds a Ph.D in Electric Engineering from Clemson University with research interests in Machine Learning and Speech Recognition. In his 20+ years at Cisco, he focused on distributed conferences, infrastructure and development, and has been granted over 30 notable patents. Currently, Duanpei leads a team working on WebRTC, server and client, for WebEx Web Client.

This talk will cover the fundamental aspects to implement the large-scale distributed cloud-based conferences. The main topics include (1) The Best Path, (2) Cloud Audio Mixer, (3) Connections and Cascading (4) Aggregated Packets for Video Grid View and (5) Client and Server Failover. More topics may also include (1) Smooth Video Switching, (2) Media Quality Control, (3) Split Meeting and Join-Meeting Time, (4) Firewall Penetration, (5) Cloud and Enterprise Service Inter-op and (6) Metrics and Troubleshooting. Several patented ideas will be covered in the talk.