Bruce Maggs Duke University Akamai Technologies Carnegie Mellon University

delivering content to the next billion

driving forces• Next billion devices connected to

the Internet will largely be cell phones

• 500 million people will be moving to cities in India and China by 2030 (?)

• Justin Bieber reportedly will release new music and videos only on the Internet

prologue• In 1993, a man arriving in an

undeveloped village…Pittsburgh… had a dream

• To run an X server at home• But there was no broadband access

at home… no cable, no DSL

WaveLAN

asymmetric networking

serving the masses• Buoyed by his success, the man set

out to improve the lives of the truly downtrodden…

• the graduate students in his department

Glenville, WV• In 2003, set out to bring broadband

to rural Appalachia

Motorola Canopy• Pre WiMAX

installation on towers

deployment

Perryopolis, PA• Began installation of Canopy-based

system• Within weeks, Verizon announced

deployment of DSL

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Akamai’s serviceshttp://www.yahoo.comhttp://www.amazon.comhttp://windowsupdate.microsoft.comhttp://mlb.tvhttp://www.fbi.gov

Domain Name Services – FirstPoint

Images appearing on Web pages

Embedded downloads

Streaming video

Full site delivery - SiteShield

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traffic statistics (2009)• 30,000+ domains• 1.1 Tbps daily peak traffic• 274 billion hits / day• 274 million unique client IP

addresses / day• in 2010 expect to deliver

more bits than in 1998-2009 combined

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network deployment

65000+Servers

950+Networks

67+Countries

1450+POPs

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deploymentInitially deployed in large commercial

co-location centers

Today deploy and serve traffic mainly from partners: universities, large companies, small ISPs and ISPs in other countries

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challenges for next 1B• Need enough users sharing interests

in commercial content to justify the cost of a server

• Streaming audio and video is more difficult to cache

• Web 2.0 content is more difficult to cache

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hybrid CDN-P2P systems• Akamai’s “Download Manager” Client

side software utilized by certain content providers

• 10M active on any given day• 20M+ installed?• 3M+ active simultaneously• 20% P2P downloads