Hey Scott,
I did search the archives (http://www.nabble.com/CAS-Cluster-without-sticky-sessions-to7583161.html#a7584962) as we were interested in this issue, too. After reading the documentation on the ClientContinuationFlowExecutionRepository, we think we can live with it once we customize it a little. However, we have the concern whether one CAS server can continue the flow execution from another using this only. How much do you know about this? Thanks, Andy Andrew R Feller, Analyst University Information Systems 200 Fred Frey Building Louisiana State University <http://www.lsu.edu/> Baton Rouge, LA, 70803 (225) 578-3737 (Office) (225) 578-6400 (Fax) ________________________________ From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Scott Battaglia Sent: Wednesday, March 05, 2008 8:31 AM To: Yale CAS mailing list Subject: Re: Clustering CAS - why tomcat session replication? If you search our archives a little bit, you will find some details on ways to reconfigure the Spring Web Flow such that it doesn't require sessions. If you do that you should ensure that your users use relatively recent browsers that won't have any issues with the back button resubmitting POSTs (such as the credentials you provided). -Scott On Wed, Mar 5, 2008 at 5:56 AM, Arnaud Lesueur <[EMAIL PROTECTED]> wrote: Step 2 is required for load balancing without a frontal load balancer which handles sticky sessions in front (the login webflow is using tomcat session) In case of a simple failover, this step is not mandatory. Regards, -Arnaud On Wed, Mar 5, 2008 at 9:49 AM, Ina Müller <[EMAIL PROTECTED]> wrote: Hello, we want to use CAS in a HA solution, so I had a look at http://www.ja-sig.org/wiki/display/CASUM/Clustering+CAS. It describes three steps: 1.- Ticket Uniqueness 2.- Tomcat Session Replication 3.- Ticket Cache Replication Steps 1 and 3 are clear. But for what scenario do I need step 2? What CAS specific stuff in session state has to be replicated? Isn't it enough to distribute the TGTs among the CAS servers to have a failover solution? Or lets restate the question: if I omit step 2, what can go wrong in case of failover to another server? Thank you for your help, Ina _______________________________________________ Yale CAS mailing list [email protected] http://tp.its.yale.edu/mailman/listinfo/cas -- Arnaud Lesueur LinkedIn: http://www.linkedin.com/in/lesueur _______________________________________________ Yale CAS mailing list [email protected] http://tp.its.yale.edu/mailman/listinfo/cas -- -Scott Battaglia PGP Public Key Id: 0x383733AA LinkedIn: http://www.linkedin.com/in/scottbattaglia
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