Merge pull request #128 from openintegrationhub/Protocols

Protocols

Author: philecs

Protocols/2018-07-30DocumentsWorkgroupCall.md

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+**Attendees:** Dirk (REWOO), Tobias (REWOO), Martin (Dropscan), Nils (ELO), Philipp (CES)
+
+# Document Model Feedback
+
+**Current Model:** [Master Data Model Documents](https://github.com/openintegrationhub/Data-and-Domain-Models/tree/master/MasterDataModels/Documents)
+
+- Cardinalities are missing
+  - Will be added
+- Subresource object should have a link to the _version_ object not to the _document_ object
+  - Link will be changed, so subresources can be defined for different versions of a document 
+- Should ACL have a link to _version_ instead of _object_?  
+  - ACL has a link to _object_ to cover different cases e.g. giving permissions for a complete folder (would not be possible if ACL has a link to _version_ instead of _object_)
+- Meaning of _relation_?
+  - Relation is meant to describe the relation between two documents e.g. order and invoice
+  
+# Sending Binary Data
+- How can an application send documents via the open integration hub?
+
+1. Send complete files via Open Integration Hub (High traffic / payload)
+2. Send an hashed url which can be public and/or limited to a certain timespan
+  - Document could be downloaded via the url
+  
+- Discussion about a proxy to sign URLs to avoid security issues. Can the **Open Integration Hub** cover this taks?
+  
+# Modification Object
+- Nils suggests a modification object to store information about creation/modifcation time and creator/modifier (and lockedBy information)
+  
+# Tasks
+- [ ] Adjust UML Diagram according to agreed changes
+- [ ] Discuss topic regarding creation of URLs within the architecture group
+- [ ] Discuss topic regarding modification object within the common data model aspects group
+
+# Notes
+- As most of the participants are on vacation the next two weeks, the next call will take place in 4 weeks (27.08.18)
+