Lessons From the Failure of SOAP

Lessons from the Failure of SOAPClay LovelessFounder, JexyGlue ConferenceMay 25, 2011

@claylo#gluecon #SOAPArmy of Darkness

™ ©& Orion Pictures Corporation1993

@claylo#gluecon

It all started out happily enough.

•SOAP used the World Wide Web!

•Everyone had the World Wide Web!

•SOAP beat the crazy stuff that preceded it!

•Imagine the possibilities! The future is ours!

Army of Darkness™ ©& Orion Pictures Corporation1993

@claylo#glueconArmy of Darkness™ ©& Orion Pictures Corporation1993

A Look Back at SOAP

1998: XML 1.0 becomes W3C recommendation

A Look Back at SOAP

1998: CORBA begins dying,SOAP seems like good idea

A Look Back at SOAP

1999: SOAP 1.0

A Look Back at SOAP

1999: SOAP 1.0

2000: SOAP Vendor pissingcontests begin in earnest

A Look Back at SOAP

1999: SOAP 1.0

2003: ‘Simple’ dropped fromSOAP 1.2 acronym.

A Look Back at SOAP

1999: SOAP 1.0

2004: Flickr non-SOAP API.Serialized PHP payload option.

A Look Back at SOAP

1999: SOAP 1.0

2006: Twitter API bornJSON payload debuts.

A Look Back at SOAP

1999: SOAP 1.0

2006: Twitter API bornJSON payload debuts.

200?: SOAP apathy

Complexity KILLS

“SOAP is Awesome! WS-MOAR!!”

Complexity KILLS

“SOAP is Awesome! WS-MOAR!!”

WS-Security

WS-PolicyWS-Trust

WS-SecureConversation

WS-Transfer

WS-Addressing

WS-Reliability WS-ReliableMessaging

WS-ResourceProperties

WS-PolicyAssertions

WS-Eventing

How SOAP is seen today

Today’s coders

Definitely an word

Too much complexity

Vendor competition+

Toolchain Nightmare=

Klaatu

Barada

Necktie...

It’s a trick Get an axe

Web Services

Web services

“Web Services based on SOAP and WSDL are ‘Web’ in name only. In fact, they are a hostile overlay of the Web based on traditional enterprise middleware architectural styles that has fallen far short of expectations over the past decade.”

—Nick Gall, VP Gartner@ironick in 2007

“Web Services based on SOAP and WSDL are ‘Web’ in name only. In fact, they are a hostile overlay of the Web based on traditional enterprise middleware architectural styles that has fallen far short of expectations over the past decade.”

—Nick Gall, VP Gartner@ironick in 2007

Get an axe

It’s a trick

coupling

Simple

REST JSON

@claylo#gluecon

Programmable WebInterlude

REST vs. SOAP: Simplicity wins again

Distribution of API protocols and stylesBased on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011

REST vs. SOAP: Simplicity wins again

Distribution of API protocols and stylesBased on directory of 3,200 web APIs listed at ProgrammableWeb, May 2011

Encryption missing

theanswer

notonly

Security

What’s REST got that SOAP doesn’t?

Schemastill

Important

•No central authority beyond HTTP

Schemastill

Important

•No vendor wars

Schemastill

Important

•No vendor wars

•Structured data FTW

Schemastill

Important

•No vendor wars

•Sense of control & order

Schemastill

Important

•No vendor wars

•Sense of control & order

•Open-source vibe

Schemastill

Important

Community self-regulates

Only YOU can

SOAP Zombie Apocalypseprevent

Bonus Slide!SOAFacts.com

—Don Box, co-creator of SOAP

Bonus Slide!SOAFacts.com•“You’ll pry the SOA from my cold, clammy fingers ... and then my SOA will kill you.”

•“The audacity of hope is no match for the complexity of SOA.”

•“Nothing gets between me and my SOA ... except more SOA.”

@claylo#gluecon

Discussion

Lessons From the Failure of SOAP

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