why the internet doesn’t always work - medianama · 2016. 3. 17. · the path of content to your...
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Akamai Confidential ©2012 Akamai Faster ForwardTM Akamai Confidential ©2012 Akamai Faster ForwardTM
Why the Internet Doesn’t Always Work
Lelah Manz, Chief Strategist Commerce, Akamai -‐ @lelahm
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Akamai Confidential ©2012 Akamai Faster ForwardTM
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Akamai Confidential ©2012 Akamai Faster ForwardTM
The Path of Content to your Shopper
SaaS
Internet
IaaS
Path of Response to End User
Degree of Control
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Akamai Confidential ©2012 Akamai Faster ForwardTM
The Challenges Along the Way
SaaS
Internet
IaaS
Path of Response to End User
Degree of Control
Scale Mobile 3rd Party
Performance Security
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Performance means business
Bounce Rates Increase
Conversion Declines
2012 Wal-‐Mart Performance Case Study: • For every 1 second of improvement, 2% increase in conversions • For every 100 ms of improvement incremental revenue grew by up to 1% • SEO benefits for entry pages and reduced bounces
SF Web Performance Group – February 16, 2012 Slides available at hTp://min.us/rrmTFI0
As response )me increases …
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Mobile Website & App Performance Impact Clear correlation between increase in mobile site load time & abandonment
Source: Gomez Real User Monitoring
Slower pages = higher abandonment • Reduces revenue • Increases costs • Damages brand
0
5
10
15
20
25
30
0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
Aban
donm
ent R
ate (%
)
Page Load Time (sec.)
Abandonment Rate -‐ All Browsers
Abandonment Rate Across 200+ Web Sites / 177+ Million Page
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Attacks are Large and Now Commonplace
• Typical Attack Size: 3-10 Gbps
• Large Attack Size: 100-200 Gbps
• Attacks originate from all geographies and move between geographies during the attack
Cost of downtime for large eCommerce sites can exceed $100,000/ min.1
0
100
200
300
400
500
600
2009 2010 2011
Num
ber o
f Atta
cks
Source: 1 McAfee
14
231
506
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US Holiday Season Cyber Extortion Attacks
Customer 1
Customer 2
Customer 3
Potential $15M in Lost Revenue
PROTECTED
US Customer #1
US Customer #2
US Customer #3
US Customer #4
US Customer #5
Times Above Normal Traffic
9,095x
5,803x
3,115x
2,874x
1,807x
Peak Attack Time (GMT)
11/30 2PM
12/1 2PM
11/30 2PM
12/1 1PM
12/1 1PM
Highly distributed international DDoS attacks from Asia-Pac, South America and Middle East
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3rd Party Content the Impact of the Facebook Outage
Reference: Catchpoint hTp://www.catchpoint.com/
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End-Users
Internet
The Web: Simple on the Outside…
Datacenter
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X
End-Users
12,000 networks connected by peering points
X
… but problematic on the Inside
AT&T
Level 3
Cogent
(Cloud) Datacenters
3rd Party Content
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(Cloud) Datacenters
X
X
End-Users
Akamai Server
Serving from the Edge of the Internet
AT&T
Level 3
Cogent
3rd Party Content
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• Mobile traffic is data is inherently different to fixed line traffic (‘Lossy’ wireless mile) • Requests from mobile users to your mobile applicagon are subject to
Packet Loss Congesgon Network swgching (3G > WiFi) Lots of re-‐transmission of data
Mobile Application
Challenges of Mobile Delivery
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Scale
• Test to know your thresholds, plan for 3-‐6x peak • Have a plan B – a smart priorigzagon mechanisms
Performance and Reliability
• Cache where possible, and serve content from the “edge” of the internet; Use dynamic page caching techniques
• When caching is not possible, detect problems with BGP rougng and bypass them
Security
• Detect, block and absorb aTacks from the “edge” of the internet, where they will impact your user the least
• Have a DDos aTack runbook – know your procedures and techniques ahead of gme
Best Practices for Internet Delivery
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Best Practices for Delivery to the Client
Mobile • Detect mobile devices and serve device-‐specific content • Reduce content size through compression, minificagon, image size
• Reduce the total number of requests for mobile website with consolidagon
3rd Party Content • Take control over 3rd party content performance (asynchronous load, deferral, kill script)
• Ask 3rd parges for Performance SLAs, monitor and hold accountable
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Gaining Back Control
SaaS
Internet
IaaS
Path of Response to End User
Scale
• Thresholds and Load Tesgng
• Have a Plan B for throTling
Mobile, Global, and 3rd Party • Detect geography,
device, search engines and target content with first response
• Opgmize content for mobile devices
• Closely manage your 3rd party content
Performance and Security • Cache and
accelerate • Evaluate real end
user performance • Secure in the Cloud
Total Control
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Akamai Confidential ©2012 Akamai Faster ForwardTM
Lelah Manz @lelahm