tadhack 2014 hack presentation - fairshare call limiter

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Fair-Share Community Mobile

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Post on 21-Jun-2015

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A quick hack with Tropo.js and a Fairwaves UmSITE done by the Fairwaves and MojoLingo joint team. The idea is to limit a duration of calls on a saturated network, but to do that politely and intelligently: * we ensure users could speak for at least 30 seconds without interruption, * we drop the longest call and not a random one, * after 30 sec we politely notify them that the network is saturated and their call may be dropped, * we actually notify them right before dropping the call, * if demand is more than we can handle even by dropping long calls, we record who tried to call and notify them later, when the network resources becomes available again.

TRANSCRIPT

Page 1: TADhack 2014 hack presentation - FairShare call limiter

Fair-Share Community Mobile

Page 2: TADhack 2014 hack presentation - FairShare call limiter

The Problem: Network Saturation

✤ Mobile service in developing nations is scarce!

✤ Even if service is available, cost can be a burden!

✤ What if we provide unlimited mobile service?!

✤ How to ensure usage is fair (and enforced)?

Page 3: TADhack 2014 hack presentation - FairShare call limiter

The Solution: Fair Share

✤ When usage is low, allow indefinite calls !

✤ When cell nears saturation, hangup long-running calls!

✤ … but be polite about it

Page 4: TADhack 2014 hack presentation - FairShare call limiter

How It Works

?

Page 5: TADhack 2014 hack presentation - FairShare call limiter

How It Works

?

This Call W

ill Be

Disconnect

ed

Page 6: TADhack 2014 hack presentation - FairShare call limiter

Demonstration

Page 7: TADhack 2014 hack presentation - FairShare call limiter

Additional Features

✤ Guarantee minimum call duration!

✤ Assisted Call Completion!

✤ Keep track of calls that fail due to saturation!

✤ Message callers when capacity is available

Page 8: TADhack 2014 hack presentation - FairShare call limiter

How We Did It