글로벌$CDN서비스와$웹$성능$향상$방법론$                           rev.%3%
Contents$! ! ! ! ! !             DevOn$2012$
글로벌$인터넷$환경$   DevOn$2012$
한국$인터넷$속도$                           %                           ©%2012%Akamai%Technologies,%Inc.%All%Rights%Reserved%%   ...
그러다$보니L$                         From%“Korea%Web%Index”%2012/05%                         ©%VivaNS%All%rights%reserved%    ...
해외로$나갈때의$인터넷$latency$              Moscow:$323ms$                                  Tokyo:$40ms$                        New...
웹은$빨라야$한다$  DevOn$2012$
DevOn$2012$
DevOn$2012$
DevOn$2012$
Web$Performance$MaJers!$                                   11%seconds%                                   (Before)%        ...
Content$Delivery$Network$         DevOn$2012$
웹$사이트의$트래픽$패턴$• • •                  DevOn$2012$
Content$Delivery$Network$! !                   ! ! ! ! ! !                             DevOn$2012$
국가/ISP$CDN$과$글로벌$CDN$!             !                                 DevOn$2012$
글로벌$CDN$구성도$
로드밸런싱$-$www.kr.cdnetworks.com$lookup$                            Root$DNS$(.com,$.net)$                   (1)%      “What’...
CDN$시스템$구성$                              Data$Center,$or$PoP$(Point$Of$Presence)$       Cache$     Streaming     Storage  ...
글로벌$CDN의$효과$               최상위$페이지$로딩$속도$(초)$   25.0%   20.0%   15.0%   10.0%    5.0%    0.0%                     DevOn$20...
직접$구축하려면?$!                         !                         ! !              DevOn$2012$
성능$측정$DevOn$2012$
웹사이트$성능$측정$! ! !                         !                                 DevOn$2012$
측정$방법$!                                    “waterfall%chart”%         DevOn$2012$
Waterfall$Chart$Example$ê$webpagetest.org$                          DevOn$2012$
자동으로$측정$!                                              !      hp://www.cdnetworks.com/wp^content/uploads/2011/05/dwa_home....
각$시간별$봐야$할$것들$!             !             !             !             !                              DevOn$2012$
자동으로$측정$방법$!                         !                               !                                 DevOn$2012$
웹사이트$최적화$  DevOn$2012$
웹사이트$최적화$!                   !             !                         DevOn$2012$
Make$the$Web$Faster$! ! ! !             !                        DevOn$2012$
TCP$최적화$-$initcwnd$! ! ! ! !                                           www.cdnplanet.com%                      DevOn$2012$
initcwnd$최적화$결과$• •                    DevOn$2012$
FEO$(Front$End$Optimization)$! !                               !                   !                                 DevOn...
Experiment%by%tuning자동$FEO$는$만능이$아님!$                             Req%No.%            Req%No.%                            ...
Advanced$Topics$    DevOn$2012$
Advanced$Topics$!                               !                                     Mobile$Network$RTT$Latency$         ...
감사합니다$DevOn$2012$
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글로벌 CDN서비스와 웹 성능 향상 방법론 (Global CDN and Web Performance Optimization) - DevOn 2012

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2012년 10월에 있었던 다음 주최의 DevOn 2012 컨퍼런스의 발표 자료입니다. http://www.slideshare.net/daumdna/devon-2012-b1-global-cdn-14761892 과 동일 자료이나 업데이트되면 이쪽으로 올립니다.

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글로벌 CDN서비스와 웹 성능 향상 방법론 (Global CDN and Web Performance Optimization) - DevOn 2012

  1. 1. 글로벌$CDN서비스와$웹$성능$향상$방법론$ rev.%3%
  2. 2. Contents$! ! ! ! ! !  DevOn$2012$
  3. 3. 글로벌$인터넷$환경$ DevOn$2012$
  4. 4. 한국$인터넷$속도$ % ©%2012%Akamai%Technologies,%Inc.%All%Rights%Reserved%% DevOn$2012$
  5. 5. 그러다$보니L$ From%“Korea%Web%Index”%2012/05% ©%VivaNS%All%rights%reserved% DevOn$2012$
  6. 6. 해외로$나갈때의$인터넷$latency$ Moscow:$323ms$ Tokyo:$40ms$ New$York:$224ms$$ London:$316ms$ LA:$???ms$ Shanghai:$69ms$$ Sao$Paulo:$329ms$ Sydney:$161ms$ Capetown:$???ms$ DevOn$2012$
  7. 7. 웹은$빨라야$한다$ DevOn$2012$
  8. 8. DevOn$2012$
  9. 9. DevOn$2012$
  10. 10. DevOn$2012$
  11. 11. Web$Performance$MaJers!$ 11%seconds% (Before)% 2%seconds% (AQer)% Rest%of% World% China%CDNetworks Confidential Web%Performance%=%Revenue% 11
  12. 12. Content$Delivery$Network$ DevOn$2012$
  13. 13. 웹$사이트의$트래픽$패턴$• • •  DevOn$2012$
  14. 14. Content$Delivery$Network$! !       ! ! ! ! ! !  DevOn$2012$
  15. 15. 국가/ISP$CDN$과$글로벌$CDN$!     !      DevOn$2012$
  16. 16. 글로벌$CDN$구성도$
  17. 17. 로드밸런싱$-$www.kr.cdnetworks.com$lookup$ Root$DNS$(.com,$.net)$ (1)% “What’s%DNS%Server%IP%address%of%cdnetworks.com?”% “What’s%DNS%Server%IP%address%of%cdngc.net?”% “What’s%IP%address%of%www.kr.cdnetworks.com?”% (2)% Resolver/$ DNS$for$cdnetworks.com% End$User$ Local$DNS$ Browser$ “www.kr.cdnetworks.com%is%www.kr.cdnetworks.cdngc.net”% (3)% DNS$for$cdngc.net$(GSLB)% “What’s%IP%address%of%www.kr.cdnetworks.com.cdngc.net?”% “61.110.226.28%and%61.110.226.15”%(IP$of$Edge$Cache)$ DevOn$2012$
  18. 18. CDN$시스템$구성$ Data$Center,$or$PoP$(Point$Of$Presence)$ Cache$ Streaming Storage Monitoring Router GSLB$ Cache Management Cache Log%Processing Storage Monitoring Operator%Portal Router Customer%Portal Cache Admin$PoP$or$Control$Center$ Cache Storage Monitoring Router DevOn$2012$
  19. 19. 글로벌$CDN의$효과$ 최상위$페이지$로딩$속도$(초)$ 25.0% 20.0% 15.0% 10.0% 5.0% 0.0% DevOn$2012$
  20. 20. 직접$구축하려면?$!         !         ! !  DevOn$2012$
  21. 21. 성능$측정$DevOn$2012$
  22. 22. 웹사이트$성능$측정$! ! !         !        DevOn$2012$
  23. 23. 측정$방법$!      “waterfall%chart”% DevOn$2012$
  24. 24. Waterfall$Chart$Example$ê$webpagetest.org$ DevOn$2012$
  25. 25. 자동으로$측정$!           !  hp://www.cdnetworks.com/wp^content/uploads/2011/05/dwa_home.jpg%(76485%bytes)% DNS$lookup$ ConnecZon$Time$ (SSL$Time)$ TTFB$ Transfer$Time$ 4ms$ 2ms$ 0ms$ 143ms$ 132ms$ DevOn$2012$
  26. 26. 각$시간별$봐야$할$것들$!     !     !     !     !      DevOn$2012$
  27. 27. 자동으로$측정$방법$!         !           !        DevOn$2012$
  28. 28. 웹사이트$최적화$ DevOn$2012$
  29. 29. 웹사이트$최적화$!       !     !      DevOn$2012$
  30. 30. Make$the$Web$Faster$! ! ! !     !  DevOn$2012$
  31. 31. TCP$최적화$-$initcwnd$! ! ! ! !    www.cdnplanet.com% DevOn$2012$
  32. 32. initcwnd$최적화$결과$• •  DevOn$2012$
  33. 33. FEO$(Front$End$Optimization)$! !           !       !    DevOn$2012$
  34. 34. Experiment%by%tuning자동$FEO$는$만능이$아님!$ Req%No.% Req%No.% %47.5%% %32.2%% Sent%Size% Sent%Size% 29.3%% 46.3%% Receive%Size% Receive%Size% 4.3%%% 5.4%%% Loading%Time%% Loading%Time%% 28.6% % 0% %
  35. 35. Advanced$Topics$ DevOn$2012$
  36. 36. Advanced$Topics$!           !  Mobile$Network$RTT$Latency$ 200%   180% 160%   140%   120% 100% Latency%(ms)%   80% 60%   40% 20%   0% WCDMA% HSDPA%rel5% HSDPA%rel6% LTE% hp://www.accedian.com/blog/news/lte^requires^latency/% DevOn$2012$
  37. 37. 감사합니다$DevOn$2012$
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