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So SLO is an expensive protocol to support, for both the IdP and the SP. It remains to be seen if SLO finds wide support in the SAML community at large (or if a more lightweight, asynchronous, rest-based approach finally prevails). In , but in any case, SLO shouldn’t drive the IdP deployer’s decision-making process since supporting SLO only makes sense today in the simplest of deployment scenarios.
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