S E R V I C E O R I E N T E D A R C H I T E C T U R E P H P U K C O N F E R E N C E 2 0 1 4 - F E B R U A RY 2 1 S T - L O N D O N , U K F O R R O B U S T A N D S C A L A B L E S Y S T E M S 

O L E M I C H A E L I S I A M @CODESTARS // CODESTARS.EU // SLIDR.IO // SO CODED CONFERENCE 

@ J I M D O W O R K I N G 

S E R V I C E O R I E N T E D A R C H I T E C T U R E 

S E R V I C E O R I E N T E D A R C H I T E C T U R E F O R R O B U S T A N D S C A L A B L E S Y S T E M S 

S TA R T S O M E T H I N G W H E N Y O U 

S O F T WA R E A R C H I T E C T U R E I T ’ S A L L A B O U T 

B E A U T I F U L S O F T WA R E D E S I G N & B U I L D 

I T ’ S G E T T I N G C O M P L I C AT E D O V E R T H E Y E A R S 

B E F O R E I T ’ S T O O L AT E C H A N G E 

W E R N E R V O G E L S - C T O A M A Z O N I N C . Service orientation means encapsulating 
 data with the business logic that operates 
 on the data, with the only access through 
 a published service interface. “ 

J E F F B E Z O S R U L E S T H E WA S H I N G T O N P O S T R U L E S 

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“ All teams will henceforth expose their data 
 and functionality through service interfaces. 

“ All teams will henceforth expose their data 
 and functionality through service interfaces. Teams must communicate with each other 
 through these interfaces. 

“ All teams will henceforth expose their data 
 and functionality through service interfaces. Teams must communicate with each other 
 through these interfaces. There will be no other form of inter-process communication allowed: […] The only communication allowed is via service interface calls over the network. 

“ All teams will henceforth expose their data 
 and functionality through service interfaces. Teams must communicate with each other 
 through these interfaces. There will be no other form of inter-process communication allowed: […] The only communication allowed is via service interface calls over the network. It doesn’t matter what technology they use. 

“ All teams will henceforth expose their data 
 and functionality through service interfaces. Teams must communicate with each other 
 through these interfaces. There will be no other form of inter-process communication allowed: […] The only communication allowed is via service interface calls over the network. It doesn’t matter what technology they use. All service interfaces, without exception, must be designed from the ground up to be externalizable. […] No exceptions! 

J E F F B E Z O S 

– M E LV I N C O N WAY / / C O N WAY ’ S L A W “Organizations which design systems ... are constrained to produce designs which are copies of the communication structures of these organizations” 

M O R E ! B U T T H E R E ’ S 

M O R E ! B U T T H E R E ’ S 

FA S T E R D E C I S I O N S L O W E R T H E N U M B E R O F P E O P L E / C O D E B A S E 

R E S P O N S I B I L I T I E S U N L O A D 

C O M P L E X I T Y R E D U C E 

M U C H H A P P I E R D E V E L O P E R S V E R Y S M A L L E R C O D E B A S E 

M U C H H A P P I E R D E V E L O P E R S V E R Y S M A L L E R C O D E B A S E S O W O W V E R Y H A P P Y S U C H L I G H T W E I G H T 

S C A L I N G W I N A T 

I M P L E M E N T I T H O W T O 

P L AT F O R M B U I L D I N G Y O U R 

F * C K T H E S TAT E J U S T 

C O N F I D E N C E B U I L D I N G U P 

I N D E P E N D E N C E D E S I G N F O R 

R E L I A B I L I T Y C R E A T E 

S I N G L E R E S P O N S I B I L I T Y K N O W A B O U T 

A D O P T C I R C U I T B R E A K E R 

B A C K P R E S S U R E P R A C T I C E 

P R O T O C O L S ! R E M E M B E R Y O U R 

T I M E O U T S VA L U E 

I N T E R FA C E D E F I N E Y O U R 

H I G H L E V E L P R O T O C O L S FA N C Y 

M E S S A G E Q U E U E S M O D E R N 

Y O U R S E R V I C E 

Y O U R S E R V I C E Q U E U E 

Y O U R S E R V I C E Q U E U E A N O T H E R S E R V I C E 

W E B S E R V E R 

W E B S E R V E R Q U E U E 

W E B S E R V E R Q U E U E W O R K E R W O R K E R W O R K E R 

H T T P A P I C L A S S I C 

I N T E G R AT E K N O W W H E R E T O 

B A C K E N D G O F O R Y O U R 

P R O T O C O L C H E C K Y O U R 

https://gist.github.com/nesQuick/8852668 

https://gist.github.com/nesQuick/8852668 

F R O N T E N D D O I T I N T H E 

H U M A N S R E S P E C T T H E 

T H E B A D PA R T S B E A WA R E O F 

L O G G I N G & M O N I T O R I N G I N A S H A R E D W O R L D 

S H I T H I T S T H E FA N W H E N T H E 

R E S P O N S I B I L I T Y A G A I N , I T ’ S A B O U T 

R E A L W O R L D H O W D O E S I T L O O K L I K E I N T H E 

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“ B L O B ” ! J I M D O S Y S T E M P R O U D LY G R O W I N G S I N C E 2 0 0 6 T E M P L AT E S E R V I C E A P I R O U T E R ? 

P H P W O R L D B U I L D S E R V I C E S I N 

T H E G O O D & T H E B A D R E M E M B E R 

T H A N K Y O U E N D / / E N D E / / F I N / / F I N E / / K O N E C / / PÄ Ä / / V É G / / U Ç / / ऴ Θ Γ / / C U Ố @CODESTARS // CODESTARS.EU 

Q U E S T I O N S N O W I T ’ S T I M E F O R @CODESTARS // CODESTARS.EU 

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Z A N T H I A T H A N K S F O R T H E P I C T U R E S T O A N D S H U T T E R S T O C K : D 

http://www.slideshare.net/InfoQ/decomposing-twitter- adventures-in-serviceoriented-architecture http://www.infoq.com/presentations/twitter-soa http://blog.separateconcerns.com/2013-01-02-startups- soa.html http://msdn.microsoft.com/en-us/library/bb833022.aspx http://blog.separateconcerns.com/2013-01-02-startups- soa.html https://gist.github.com/mlafeldt/7928709 http://www.indiawebdevelopers.com/resource_center/ articles/soa.html http://msdn.microsoft.com/en-us/library/bb833022.aspx http://techblog.netflix.com/2011/12/making-netflix-api-more- resilient.html https://www.owasp.org/index.php/Web_Application_Firewall http://rubyrogues.com/076-rr-service-oriented-design-with- paul-dix/ Web Operations, edited by John Allspaw and Jesse Robbins, 2010 (O’Reilly) http://shop.oreilly.com/product/ 0636920000136.do Release It!: Design and Deploy Production-Ready Software (Pragmatic Programmers), Michael T. Nygard Also checkout Amazon, Netflix, Etsy & EasyBib (They do great!) I WA N T T O T H A N K M Y C O M PA N Y J I M D O , M Y G I R L F R I E N D A N D A L L M Y C O W O R K E R S F O R S U P P O R T I N G M E ! C O N T I N U O U S R E A D I N G / / S O U R C E S 

• http://www.flickr.com/photos/st_hilaire_photography/9694567276 • http://www.flickr.com/photos/bobjacques/4396438856 • http://www.flickr.com/photos/lorenzemlicka/7868365738 • http://www.flickr.com/photos/93040567@N02/8603031974 • http://www.flickr.com/photos/robertrountreepics/5843250401 • http://www.flickr.com/photos/konvex/6918120992/ • http://www.flickr.com/photos/pixagraphic/3414730395 • http://www.flickr.com/photos/ianmcburnie/400299725 • http://porn.serverbear.com/tagged/server+porn • http://www.flickr.com/photos/rainforestactionnetwork/5681309882/ • http://www.flickr.com/photos/starprod/5390521715 • http://www.flickr.com/photos/yngw/8050603479/ • http://www.flickr.com/photos/112183927@N03/11790879753 • http://honestgorillas.com/wp-content/uploads/2013/07/ php_elephants.jpg • http://www.flickr.com/photos/hothbricks/11842181413/ • http://darkroom.baltimoresun.com/wp-content/uploads/2012/12/ REU-UKRAINE-PARLIAMENT-BRAW.jpg • http://galeria.vezess.hu/files/ 395/058/000/58395/58395_461869_1000x700.jpg • http://1.bp.blogspot.com/-i-Wvk_fKEHs/Tebi3R-vmlI/ AAAAAAAAAHA/MUDnBg9HiH4/s1600/George-W-Bush-phone.jpg • http://static02.mediaite.com/geekosystem/uploads/2013/12/ doge.jpg • http://www.bhmpics.com/success_kid-wallpapers.html I M A G E S S O U R C E S / C O P Y R I G H T S 

A N D A LWAY S R E M E M B E R : S AY S 〿