- WS-SecurityPolicy defines a standard policy assertion language for specifying security policies.
- WS-ReliableMessaging Policy Language (part of the WS-RM spec) defines a standard policy assertion language for specifying reliable message delivery policies.
- WS-AtomicTransaction also defines a policy assertion language.
No such standard policy assertion language yet exists for specifying SLAs.
All WSM vendors provide their own means to specify SLAs, and they all provide agents for monitoring SLAs and taking remedial action. But for the moment, it's all proprietary.
Anne
"WS-Policy/Policy Attachment and its Assertions do a great job in "composing" Assertions especially ones that are external. Others such as synapse rules XML will be used for "composing" aspects that are internal"
The language here is expressed within WS-Policy/Policy Attachment; the agent here could be Apache Synapse.
Mukund Balasubramanian
From: Logan, Patrick D [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, November 29, 2005 4:00 AM
To: [email protected]
Subject: [service-orientated-architecture] RE: SOA Governance work
"An SLA policy assertion language should allow you to specify service
level
objectives in a standard way such that a monitoring agent can determine
whether or not the SLA is at risk of being broken..."
Are there any such languages and agents available?
Thanks,
Patrick
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