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The Mobile WorldUPSIDE DOWN
Dangerous DemosTADSummit - Lisbon
November 2016
Daniel-Constantin Mierla co-founder Kamailio SIP Server project
asipto.com @miconda
Solving First World Problems
TAD Summit 2017 summer edition
the (new) mobile operator cto
suddenly
alert - alert - alertcore network is down
Do you think a copy of the core infrastructure
was brought in?!?
a smart cto
every mobile operator nowadaysclients
server
every mobile operator from now on
server
clients
(knowing also as moving from europe to australia)
? can we transform ?
? into ?
Join The Demo• server address:
• 172.20.32.249
• choose any username
• username and password must be the same
• register and make calls
• flood the phone with sipp:
• https://www.asipto.com/~daniel/tadsummit/
real world example
http://kamailio.org/events/2016-KamailioWorld/Day2/20-Pawel.Kuzak-High-Quality-Telephony-Using-A-Fail-Safe-Media-Relay-Setup.pdf
Just Some Numbers
• 2000-4000 registration attempts per second
• 15% - 60% CPU
• 2000x60 = 120000
• 10 - 30 min registration expires interval
• (!?!uniform distribution!?!)
• => 1 200 000 - 3 600 000 active subscribers
all of that at the touch of the thumb (with one tiny device in your pocket)
now imagine
what this guy can do !!!
Thank You!Daniel-Constantin Mierla
asipto.com @miconda
TADSummit - LisbonNovember 2016