Akamai Solutions
부장 양 경 윤
Sr. Solution Engineer
kyyang@akamai.com
목차
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Akamai 회사 소개
인터넷의 이슈들
Akamai 기술 – 다이나믹 콘텐츠 가속 기술 중심
Akamai 서비스 및 고객 사례
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai - a Decade of Innovation
$800
• Global managed services
provider
• Accelerating:
 Rich media
 Dynamic transactions
 Web- and IP-based
applications
Revenue
(in $ millions)
$700
$600
$500
$400
$300
• Enabling more relevant
online advertising
$200
• 3,000+ customers
$100
• 20%+ of Global 500
$0
2002 2003 2004 2005 2006 2007 2008
POWERING A BETTER INTERNET
© 2009 Akamai
YAHOO Developer Network
• http://developer.yahoo.com/performance/rules.html
• 80-90% of the end-user response time is spent
on the front-end downloading all the components
in the page: html, images, stylesheets, scripts,
Flash, etc.
POWERING A BETTER INTERNET
© 2009 Akamai
Impact of the Middle-Mile
Web Application Delivery – HTTP over TCP
From Atlanta to Sydney, rendering a typical 70k Web page with 25 objects requires 31 round trips
Data-Center
(Atlanta)
Globally Distributed
Users (Sydney)
3
1
2
First Mile
Middle Mile
Last Mile
Round Trip Time (RTT)
x # Round Trips
Bandwidth-related
transfer time
7.75 seconds
(31 x 250ms)
0.20 seconds
Application processing time
and content generation
0.25 seconds
Total response time = 8.20 sec
95% of total response time is due to the middle-mile
POWERING A BETTER INTERNET
© 2009 Akamai
Internet Infrastructure
Bottleneck
Economics
Growth
20X
$$$
Web Content
First Mile
$$$
20X
Tier 1 ISPs
6X
50X
$$$
Middle
Mile
Local ISPs
Last Mile
6X
$$$
50X
Web Users
POWERING A BETTER INTERNET
© 2009 Akamai
Bottleneck Causes Congestion
Tier 1
IPS’s
Tier 1
IPS’s
Tier 1
IPS’s
Congestion
Causeswon’t
“The Internet
• Slow downloads & applications
scale well”
• Poor video quality
Edge ISPs
Edge ISPs
Edge ISPs
Edge ISPs
Edge ISPs
Bottleneck
Edge ISPs
POWERING A BETTER INTERNET
Edge IPSs
© 2009 Akamai
Akamai Global Deployment of Advanced Platform
Deploy into thousands of ISPs close
to end users
• 40,000+ Servers
• 1,600+ Locations
• 1,100+ Networks
• 750+ Cities
• 76 Countries
85% of the world’s Internet users
are within a single network hop of
an Akamai Edge server
POWERING A BETTER INTERNET
© 2009 Akamai
How Akamai Accelerates Internet Apps
Application Server
Web-based applications
Web services
Route Optimization
Over-ride BGP and select best performing route
Round Trip Optimization
Akamai Protocol reduces the effective number of trips along the best path.
Caching
Store files close to requesting users
POWERING A BETTER INTERNET
© 2009 Akamai
With Akamai:
Edge Caching
for any content which can be cached
Origin
Infrastructure
End User
HTML
POWERING A BETTER INTERNET
© 2009 Akamai
다이나믹 콘텐츠 가속 기술
• 인터넷 경로 최적화 – SureRoute
• 사용자단의 에지서버에서 오리진 서버까지 가는 최상의 루트
선택
• BGP 경로 이외에 실시간 인터넷 기상도에 의한 2개의 대안
경로가 추가되어 손실 및 지연이 적은 최단 루트로 오리진의
캐싱할 수 없는 다이나믹 콘텐츠를 전송하며 인터넷 구간의
장애를 회피할 수 있다.
THE TRUSTED
POWERING
CHOICE
A BETTER
FOR ONLINE
INTERNET
BUSINESS™
© 2009 Akamai
SureRoute - Without Akamai
Web Site
Origin
BGP Route
BGP
• Not performance aware.
• Easily manipulated by networks.
• Recovery from errors takes time.
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai SureRoute Path Optimization
Web Site
Origin
10ms
200ms
100ms
125ms
Sure Route
• Discovers a range of low latency paths.
15ms
• The best two paths are chosen.
• Object request races determine the path used.
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai SureRoute vs BGP
BGP
Akamai
Web Site
Origin
Page Load
10ms
200ms
100ms
125ms
Sure Route
15ms
• Lowest latency path chosen.
• Round trip times are reduced.
• Packets arrive faster.
• Page loading times are reduced.
POWERING A BETTER INTERNET
© 2009 Akamai
Automated Path Failover
Web Site
Origin
10ms
15ms
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai Controls the “Middle-Mile”
POWERING A BETTER INTERNET
© 2009 Akamai
다이나믹 콘텐츠 가속 기술
– 계속
• TCP Protocol 최적화 제공 기능
• Persistence Connection: Connection Pooling
• TCP 연결 재사용으로 오리진 TCP부하 절감 및 3-way handshake RTT 감소
• Pipelining
• 최대 2MB까지의 대용량 Window Size 사용
• Slow-start 개선, Fast Retransmit 등 프로토콜 최적화
제공
• Pre-fetching
• 다이나믹한 Base Page의 HTML을 미리 분석하여 오리진으로
부터 가져와야되는 추가 콘텐츠에 대해 사용자 Request가
오기전에 미리 받아와서 페이지 로딩 성능을 획기적으로 개선
시킨다.
POWERING A BETTER INTERNET
© 2009 Akamai
Persistent Connections – without Akamai
Origin
Infrastructure
POWERING A BETTER INTERNET
© 2009 Akamai
Persistent Connections – without Akamai
Origin
Infrastructure
POWERING A BETTER INTERNET
© 2009 Akamai
Persistent Connections – with Akamai
Origin
Infrastructure
POWERING A BETTER INTERNET
© 2009 Akamai
Persistent Connections - SSL
Without Akamai
Server
Client
TCP
SSL
1400 ms
HTML
With Akamai
Akamai
Client
Server
TCP
(Reuse existing TCP connection)
SSL
(Reuse existing SSL connection)
HTML
24 ms
224 ms
Fewer trips = Faster!
POWERING A BETTER INTERNET
© 2009 Akamai
TCP Optimization – With
Akamai
Without
Akamai
Web Site
Origin
10ms
200ms
100ms
125ms
TCP Optimization
15ms
• Increased Congestion Window size.
• Faster TCP Slowstart ramping.
• Faster retry after packet loss.
• More packets per round trip.
• Known good connections.
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai Protocol: Prefetching
Akamai Server
Customer
Origin
Proprietary Protocol
Control
End User
POWERING A BETTER INTERNET
© 2009 Akamai
Product Lines
Software
Delivery
Media
Delivery
Dynamic
Sites
Application
Performance
Advertising
Decisions
Downloads
Stream OS
DSA
WAA
Predictive
Client-side
Delivery
OVP
RMA
IPA
Descriptive
Streaming
DSD
SXL
Remarketing
Storage
Edge
Computing
POWERING A BETTER INTERNET
© 2009 Akamai
Who use Akamai
Media &
Entertainment
High Tech
Commerce
Public
Sector
POWERING A BETTER INTERNET
Financial
Services
Automotive /
Manufacturing
© 2009 Akamai
Digital Asset Solution
Software
Delivery
Media
Delivery
Downloads
Stream OS
Client-side
Delivery
OVP
Streaming
Storage
POWERING A BETTER INTERNET
© 2009 Akamai
The Fat-file Paradox:
Latency Limits Throughput…
…and throughput limits the time to
download large files (e.g., 4 GB DVDs)
Distance from
Server to User
Akamai
Big Data
Center
Approach
Network
Latency
Packet
Loss
Throughput
Download
Time
Local
<100 mi.
1.6 ms
0.6%
44 Mbs
12.2 min.
Regional
500-1000 mi.
16 ms
0.7%
4 Mbs
2.2 hrs.
Cross Continent
<3,000 mi.
48 ms.
1.0%
1 Mbs
8.16 hrs.
Different Continent
<6,000 mi.
96 ms.
1.4%
0.4 Mbs
20 hrs.
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai in Media & Entertainment
Online Publishers
• 8 of top 10 online publishers
Social Media
• 7 out of 10 top social media sites
Media & Entertainment
• 27 of the top 30 M&E companies
Online Newspapers
• 8 of the top 10 largest newspapers
Ad Technology Providers
• All of the top 5 in each category
Sources:
Top Online Publishers based on revenues, (source: IAB/PWC 2006)
Top Newspapers based on circulation (Newspapers & Technology 2007)
Top Ad Technology Providers (OMMA Magazine)
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai Helps Manage Digital Assets
National Basketball Association
Stream OS Increases
Distribution of Media
Manage thousands of
on-demand assets
Manage 30,000
Assets
Flexible rights
management and
control
Publish clips in a
matter of hours
to increase
viewership and
audience loyalty
POWERING A BETTER INTERNET
Preserve Meta Data
entire library is
searchable for
consumers, editors and
business staff
© 2009 Akamai
BMW Films
Problem:
Global audience for streamed
promotional film required costly
infrastructure to scale
Solution:
Akamai Media Delivery
Akamai Impact: Delivered 200 TB of total data (equating to 14
million film views) during “The Hire” film series
Akamai Impact: Global reach enables BMW to market short films to
global audience and deliver concurrent, high-quality streams (80% of
which were accessed at rates of 300 Kbps)
Akamai Impact: Savings of 60% by extending digitized downloads
across Akamai Platform
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai Software Delivery for Hi-Tech customers
POWERING A BETTER INTERNET
© 2009 Akamai
Poor Completion Rates – Revenue Effect
Completion Rate
Completion Rate by File Size
100%
90%
80%
70%
60%
50%
40%
30%
20%
10%
0%
93%
90%
80%
Revenue Opportunity
90%
73%
Up to 91%
Completion Rate
Improvement
62%
10 - 50 MB
49%
48%
47%
50 - 100 MB
100 - 150 MB
150+ MB
File Size
Before Akamai
Akamai ESD
Akamai ESD + Download Mgr
POWERING A BETTER INTERNET
© 2009 Akamai
Hewlett Packard
Problem:
Reliably eliminating CD
distribution costs
Solution:
Akamai’s solution for electronic
software distribution
Akamai Impact: Saved an estimated $500k a year in administrative costs
Akamai Impact: CD shipments dropped by 2,500 shipments per month.
Akamai Impact: Online trial distribution jumped from under 50% to over
75%.
Akamai Impact: Improved software download performance by 4-5X in Asia
and 2-3X in Europe compared to origin site in US and by 25% compared to
existing CDN solution.
POWERING A BETTER INTERNET
© 2009 Akamai
Dynamic Site Solution : B2C site
Dynamic
Sites
DSA
RMA
DSD
Edge
Computing
POWERING A BETTER INTERNET
© 2009 Akamai
Performance reduces site abandonment
Transaction Completion - Akamai vs Origin
4 Seconds
25.00%
Abandonment Zone
20.00%
15.00%
Akamai
10.00%
Origin
5.00%
or
e
M
9
8.
5
8
7.
5
7
6.
5
6
5.
5
5
4.
5
4
3.
5
3
2.
5
2
0.00%
1.
5
percentage
Each represents
$370 Booking
secs
What’s happening in the “abandonment zone”?
TODAY: 86% of flight searches over 4 seconds
AKAMAI DSA: 19% of flight searches over 4 seconds
POWERING A BETTER INTERNET
© 2009 Akamai
Online Commerce Segments
Retail
• (Electronics, Mass Merchant / Dept.
Stores, Apparel, Jewelry, Office
Supplies, Catalog, Etc.)
Travel
• (Airlines, Hotels, Car Rentals,
Tourism, OTAs, Meta-Search)
Consumer Brands
• 30 (Consumer Packaged Goods,
Big Brands., etc.)
POWERING A BETTER INTERNET
© 2009 Akamai
SonyEriccson
Problem:
Reliably highlight products online to
global audience.
Solution:
Akamai DSA and EdgeComputing
Akamai Impact: Improved average application download times over
12x to global base.
Akamai Impact: Improved availability to 100%
Akamai Impact: Reduced cost per user session by 33% after 1 year.
Akamai Impact: Proved annual ROI of 423% and payback within 6
months.
POWERING A BETTER INTERNET
© 2009 Akamai
Korea : A 사 – 사이트 성능 개선 사례
POWERING A BETTER INTERNET
© 2009 Akamai
Application Performance Solution : B2B, B2E
Application
Performance
WAA
IPA
SXL
POWERING A BETTER INTERNET
© 2009 Akamai
Application Performance Solutions
Application Delivery for the Extended Enterprise
Enterprise
Business
Process
road warrior
SOHO
Collaboration
eCommerce
Product Support
Media Delivery
Enterprise
Headquarters
Customers
Employees
Personal
Productivity
Administration
and Utility
outsourcing
supply chain
dealers
Business
Partners
Business Partners
Customers
Employees
POWERING A BETTER INTERNET
© 2009 Akamai
IP Application Accelerator
IPA accelerates the performance of any IP-enabled application
•
Application Independence
• Any IP-enabled
application
•
Multiple protocols
•
•
•
•
•
HTTP/HTTPS
SSL
ICA
UDP
Extended, global
workforce
Citrix Presentation Server (ICA)
POWERING A BETTER INTERNET
© 2009 Akamai
Application Performance Solution customers
INDUSTRY SEGMENTS
“ANCHOR” COMPANIES
APPLICATIONS
• Agent Booking Portal
• Distributed Call Center
• GDS Acceleration
Airlines
• Agent Online Booking
• Distributed Call Center
• Employee training Portal
Travel
• Reseller Portal
• B2B eCommerce
• Product Lifecycle Management, Supply
Luxury
Apparel
• Partner Distribution & Fulfillment
• Product Lifecycle Management
Catalog
• Virtual Sales Portals
• B2B eCommerce
• eLearning Systems
• Supply Chain, procurement
• B2B eCommerce for online presence
• Employee HR portal
Brick & Mortar
POWERING A BETTER INTERNET
© 2009 Akamai
Case Study - Cathay Pacific
Problem:
Poor global performance
hindering adoption of ticketing
apps in Hong Kong – fare faxes
Solution:
Web Application Accelerator
Impact:
• 100% increase in online bookings – 35,000 agents
• Estimated annual savings of up to $1,500,000
• 65% increase in traffic without additional
infrastructure
• 65% increase in global site performance
POWERING A BETTER INTERNET
© 2009 Akamai
Enterprise Application Examples
Example 1: SAP
• Dealer, partner and employee portals based on SAP NetWeaver
Portal to integrate mySAP business suite + custom components
• Widely distributed user base (often Asia-Pac), centralized servers
• Examples:
• SAP Enterprise v6 issues at Nike communication to hundreds of
supply chain partners in China, Thailand, Indonesia, Vietnam
• SAP v6 issues at BK - 13,000 global franchises
• Charter member of SAP’s Enterprise Service Community (ESC)
POWERING A BETTER INTERNET
© 2009 Akamai
Korea : B 사 – 웹 애플리케이션 성능 개선 사례
POWERING A BETTER INTERNET
© 2009 Akamai
Akamai will help
you to decide
POWERING A BETTER INTERNET
© 2009 Akamai
•Download Analytics 2.0


POWERING A BETTER INTERNET
Visualize
completion rates
by country
Identify individual
clients having a
poor experience
© 2009 Akamai
Media Analytics 2.0 Beta
Media Analytics 2.0 provides intelligence on content usage and
audience engagement for broadband audio & video offerings.
POWERING A BETTER INTERNET
© 2009 Akamai
감사합니다.