Difference between revisions of "Representational State Transfer"

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Representational State Transfer is also known as ''REST'' and ''RESTful''.
 
Representational State Transfer is also known as ''REST'' and ''RESTful''.
  
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There is an ongoing discussion in the standards world whether or not to adopt [[SOAP]] or RESTful approaches as the unique truth to achieve interoperable happiness. OSGeo will probably not go either way but look at both and collect some useful information here on these pages.
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There is an ongoing discussion in the standards world whether to adopt [[SOAP]] as the unique interoperable binding. Because this decision might be detrimental to RESTful design approaches the discussion sometimes turns into a fight between SOAP '''or''' REST as if the two could be compared. But they cannot as one is a technology and the other a design approach. It is possible to implement RESTful services using SOAP bindings and the current version of the WSDL standard has explicitly been modified to allow for RESTful implementations.  
  
 
== Introduction ==
 
== Introduction ==
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''REST strictly refers to a collection of network architecture principles that outline how resources are defined and addressed. The term is often used in a looser sense to describe any simple interface that transmits domain-specific data over HTTP without an additional messaging layer such as [[SOAP]] or session tracking via HTTP cookies. These two meanings can conflict as well as overlap.''
 
''REST strictly refers to a collection of network architecture principles that outline how resources are defined and addressed. The term is often used in a looser sense to describe any simple interface that transmits domain-specific data over HTTP without an additional messaging layer such as [[SOAP]] or session tracking via HTTP cookies. These two meanings can conflict as well as overlap.''
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== Further Reading ==
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* http://blog.geobliki.com/articles/2007/08/06/a-wfs-basic-as-a-geo-atom-store by Patrice Cappelaere 
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Leonard Richardson, Sam Ruby: RESTful Web Services, Sebastopol, 2007
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* ISBN 10: 0-596-52926-0
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* ISBN 13: 9780596529260
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Excellent introduction to the RESTful architecture. Must-read for web mapping developers.
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Commentary by OSGeo members:
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* http://crschmidt.net/blog/archives/275/what-rest-is-really-about/ - Chris Schmidt
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* http://geotips.blogspot.com/2007/08/rest-without-resources.html - Paul Ramsey
  
 
== Testing and Experimenting ==
 
== Testing and Experimenting ==
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=== FeatureServer ===
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http://featureserver.org/ with OpenLayers by MetaCarta
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=== Mapbender ===
 
The Mapbender project was urged by some customers to look into implementing [[SOAP]] bindings for OGC standards because some industries communicated that this is the only way to implement security required for [[Digital Restrictions Management]] for geodata. During the [http://www.mapbender.org/index.php/Mapbender_Development_Sprint developer meeting in May 2007] it was discussed that this can be done once there is funding available and that the project should also look into RESTful approaches. Further information of any results will be made available on the project pages: http://www.mapbender.org/index.php/SOAP_vs_REST
 
The Mapbender project was urged by some customers to look into implementing [[SOAP]] bindings for OGC standards because some industries communicated that this is the only way to implement security required for [[Digital Restrictions Management]] for geodata. During the [http://www.mapbender.org/index.php/Mapbender_Development_Sprint developer meeting in May 2007] it was discussed that this can be done once there is funding available and that the project should also look into RESTful approaches. Further information of any results will be made available on the project pages: http://www.mapbender.org/index.php/SOAP_vs_REST
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[[Category: Standards]]

Latest revision as of 22:58, 3 February 2008

Representational State Transfer is also known as REST and RESTful.

There is an ongoing discussion in the standards world whether to adopt SOAP as the unique interoperable binding. Because this decision might be detrimental to RESTful design approaches the discussion sometimes turns into a fight between SOAP or REST as if the two could be compared. But they cannot as one is a technology and the other a design approach. It is possible to implement RESTful services using SOAP bindings and the current version of the WSDL standard has explicitly been modified to allow for RESTful implementations.

Introduction

From Wikipedia: http://en.wikipedia.org/wiki/REST

Representational State Transfer (REST) is a style of software architecture for distributed hypermedia systems such as the World Wide Web. The term was introduced in the doctoral dissertation in 2000 by Roy Fielding,[1], one of the principal authors of the Hypertext Transfer Protocol (HTTP) specification, and has come into widespread use in the networking community.

REST strictly refers to a collection of network architecture principles that outline how resources are defined and addressed. The term is often used in a looser sense to describe any simple interface that transmits domain-specific data over HTTP without an additional messaging layer such as SOAP or session tracking via HTTP cookies. These two meanings can conflict as well as overlap.

Further Reading

Leonard Richardson, Sam Ruby: RESTful Web Services, Sebastopol, 2007

  • ISBN 10: 0-596-52926-0
  • ISBN 13: 9780596529260

Excellent introduction to the RESTful architecture. Must-read for web mapping developers.

Commentary by OSGeo members:

Testing and Experimenting

FeatureServer

http://featureserver.org/ with OpenLayers by MetaCarta

Mapbender

The Mapbender project was urged by some customers to look into implementing SOAP bindings for OGC standards because some industries communicated that this is the only way to implement security required for Digital Restrictions Management for geodata. During the developer meeting in May 2007 it was discussed that this can be done once there is funding available and that the project should also look into RESTful approaches. Further information of any results will be made available on the project pages: http://www.mapbender.org/index.php/SOAP_vs_REST

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