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Links for 2008-12-01 [del.icio.us]
Tuesday, December 2, 2008 by admin
- More on The Value of (Production) Rules
Tim Bass drills into rules and the relationship to event processing. Production rules and event-condition-action (ECA) rules are reactive rules which can be used for CEP - The architectural principle of fully self contained messages Jack van Hoof explains – and I agree – why loose coupling in SOA and EDA depends on self-contained messages (rather than accessing information by reference which introduces dependencies i.e. couplng),/li>
- On the rain in the window — windows and temporal contexts
Opher Etzion provides a concise explanation of ESP "windows" (a construct for processing part of a stream of events in a time-frame) - On evaluation criteria for EP products
Opher Etzion shares some of my observations on the event processing evaluation criteria from Coral8 - “Comprehensive Guide to Evaluating Event Stream Processing Engines”
Coral8's "independent" evaluation guide for event processing solutions. Given Coral8's offerings it's unsurprisingly CEP with a strong ESP bias (but useful nonetheless) - On external and internal decision in event processing More on decisions and events from Opher: neat segmentation of the different types of decisions
- The Value of (Production) Rules …
TIBCO's Paul Vincent explains the role of rules in event processing - On Decisions and Event Processing
Opher Etzion attempts to disentangle rules, decisions, and events - CEP as sauce for alphabet soup (Part 10): EC2 and Cloud Computing
TIBCO's Paul Vincent ponders the cloud and event processing: event processing as-a-service. What's in the cloud – the events? the processing? Latency would seem to be an issue - On “event at a time” vs. “set at a time” processing
Opher Etizen discusses event-at-a-time vs set-at-a-time processing: event evaluated against relevant patterns vs patterns evaluated against a set of events - CEP versus ESP – an academic exersise
What's the difference between CEP and ESP? An academic perspective called out by Jack van Hoof - Is Event Processing revolutionary?
Jack van Hoof: CEP is not revolutionary – a sentiment I share - SOA, EDA and CEP a winning combo
Jack van Hoof calls out Udi Dahan's thoughts on SOA and EDA: although there aren’t many who would say that EDA is necessary for driving down coupling in SOA, or that SOA won’t likely provide much value without EDA, or that SOA is necessary for providing the right boundaries for EDA, it’s been my experience that that is exactly the case. - On the head and the tail of EDA
Opher Etzion of IBM considers the relationship between EDA and CEP - CEP, EDA and SOA
Giles Nelson of Apama comments on SOA, EDA and CEP (based on a discussion with yours truly)
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