Otsp gec22-1

Aki Nakao

The University of Tokyo [email protected]

GEC22 Plenary

On The Same Page App

Information Sharing

Challenge in sharing information • among a large number of people • simultaneously and instantly • only within physical vicinity • without complex configuration • at hand (without any special devices)

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Slide Presentation Challenge in sharing slides • among a large number of people • simultaneously and instantly • only within physical vicinity • without complex configuration • without projector • without facing in the same direction

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•  Bring your own device (B.Y.O.D) approach in presentation

•  Enable “projector-less” presentation

•  Broadcast slides on to thousands of devices only within the physical vicinity •  Face-to-face communication

Three Steps for Presenter

• Install “on the same page” app • Upload your slides to cloud (dropbox or slideshare) • Touch the slide to be shared in the app

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A Single Step for Audience

• Start “on the same page” app

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System Overview

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MasterDevice

WiVi SliceableWiFi Access Point

SlaveDevice

SlaveDevice

SlaveDevice

Broadcast via BeaconCast Unicast via

Regular TCP Communication

Cloud Server

Alternative Architecture

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WiVi SliceableWiFi Access Point

SlaveDevice

SlaveDevice

SlaveDevice

Broadcast via BeaconCast

Unicast via Regular TCP Communication

Cloud Server

Demo

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Wired  Network  Virtualiza1on  Infrastructure  

•  FLARE  

Wi-­‐Fi  Access  Point  

Wi-­‐Fi  Range  

Wi-­‐Fi  Network  Virtualiza1on  Infrastructure  

•  WiVi  (Linux  Containers  with  virtual    WiFi  devices)  

Locavore Computing Slicing Wi-Fi Access Point

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Handset  (Slice1)  

Handset  (Slice2)  

Handset  (Slice3)  

Laptop  (Slice2)  

Laptop  (Slice3)  

Laptop  (Slice1)