Everything open source
May 16–17, 2016: Training & Tutorials
May 18–19, 2016: Conference
Austin, TX

Scalable bidirectional communication over the Web

Wenbo Zhu (Google)
5:10pm–5:50pm Wednesday, 05/18/2016
Location: Ballroom E Level: Intermediate
Average rating: ***..
(3.41, 17 ratings)

Prerequisite knowledge

Attendees should have a basic familiarity with the Web, HTTP, and distributed systems.


Recent advances in transports and frameworks have made it possible to deploy large-scale, low-latency bidirectional communication over HTTP without losing original benefits like scalability and safety. Wenbo Zhu offers a high-level overview of the use cases for enabling bidirectional communication over the Web and over HTTP and provides a detailed analysis of several key scalability issues, including flow control, async APIs, reliability, multihoming support, and safety, as well as a demo that runs a distributed and shared whiteboard application from a browser.

Related resources:
Open source client
Bidiweb GitHub
Implications of Full-Duplex HTTP (article)

Photo of Wenbo Zhu

Wenbo Zhu


Wenbo Zhu is a software engineer at Google, where he is responsible for Google’s frontend networking frameworks. His current work involves building scalable and robust real-time messaging stacks for internet clients to interact with cloud services. He has also contributed to various web protocol-related standards and open source projects. Wenbo holds a PhD in computer engineering. He is the author of the so-called COLOR algorithm for managing performance and consistency trade-offs of geographically replicated cloud services.

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Picture of Syed Saulat Hussain Rizvi
Syed Saulat Hussain Rizvi
05/17/2016 8:56am CDT

can’t wait to attend this