OpenSRF and Evergreen
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OpenSRF 201
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Slides that accompanied a presentation about OpenSRF, the Open Service Request Framework, at Evergreen International Conference 2009 by Mike Rylander, Evergreen developer, including how it is used within Evergreen.
Transcript of OpenSRF and Evergreen
OpenSRF 201
Evergreen International ConferenceMay 21, 2009Athens, GA
Mike Rylander – [email protected]
http://openils.org/dokuwiki/doku.php?id=osrfdevel:primer(hey, it's a start)
OpenSRF: Not your father's transparent, crossplatform, multilanguage, load balancing, highly available application
cluster development framework
OR
How I stopped worrying and learned to love Jabber
OpenSRF
That thing that Evergreen needs Based on XMPP A loadbalancer 38% cooler than sliced bread
IT'S...
But, let's start at the beginning
We need something that
Can cross a firewall Has low (or no) amortized connection setup Has low permessage overhead Uses distributed service Is going to be around for a while
Decisions, decisions
spread Languagespecific (JNI, etc) XMPP Build our own … nothing? (PileoApache)
High up (thank's Bill)
Low Down
Interfaces
XMPP (Jabber) XMLRPC (Web) OpenSRF Gateway (Web – JSON, XML) OpenSRF HTTP Translator (AJAX)
OpenSRF 201
Evergreen International ConferenceMay 21, 2009Athens, GA
Mike Rylander – [email protected]
http://openils.org/dokuwiki/doku.php?id=osrfdevel:primer(hey, it's a start)
