PIMP MY phone networking

“I’m DMytrii Shchadei”

YANDEX

What's the difference

between me and you?

Core

net

work

lat

Internet routing lat

Intern

et routing

latus

er/

Con

trol

pl

ane

lat

Radio Resource Controller

Transmission schedule ★

Device Power State ★

Signal Power ★

Bandwidth ★

3G Device Power States

Full power (1000-3500 mW)

Low power (< 20 Kbps, 500-1800 mW)

Stan

dby

(15

MW

)

< 1.5 sec

< 2 sec

Power States transition

Full power

Low power

Data

tra

nsf

er

time

pow

er

~ 12 sec~ 5 sec

Enegry tail

Data

1

time

pow

er

Full

Low

Data

2

Full

LowDa

ta 1

time

pow

erFull

Low

Data

2

BRO

AIN’t your BRO

– Ilya Grigorik

“Burst as much data as you can, then turn off the radio for as long as

possible.”

AT&T Application Resource Optimizer (ARO)

GO REAL: soundcloud.com

full power full power TAIL

low power low power TAIL

transition

GO WILD : soundcloud.com

Web page test . org

First byte

keep alive

compress transfer

compress images

Progressive jpegs

cache static

Effective CDN

F A A A A AC

Server HintLINK rel=prefetch

LINK rel=subresource

Every friend must know

@Metrofun

metrofun@yandex-team.com

That’s all FALKS !