Github user cestella commented on the pull request: https://github.com/apache/incubator-metron/pull/22#issuecomment-183747542 Of course, I have attached a design doc to the [JIRA](https://issues.apache.org/jira/browse/METRON-35) . This is really a single feature as leaving out any part will leave the whole feature nonfunctional. It can seem a bit complex, but it fits within the overall architecture built for the enrichments. I detailed this and how it fits within the overall architecture in the design doc.
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