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
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
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