Describe the two approaches for traceability through multiple disseminators

1. Re-pacakaging a message at each hop in a new header
2. Removing the header and adding a new appropriate message header after transformation

Define sequence number and message groups in the context of transactions

Define vocabulary WS to support non-XML Data Vocabularies

Find how to deal with nested vocabularies in XML

How do we deal with "delta messages" (optimisation of notification)

How do we deal with retention periods?

1. Separation of data retention from data publishing

How do the propagation interface(s) differ from the consume interfaces and what is stored in the registry?

What's special about INFOD disseminators?

1. Retention of information
2. Querying information
3. Auditing and tracking

Consider relationship between Consumers and DataVocabularies for the next spec.

Disseminators

Notifications and Messaging - Lightweight Publishers

Use Case to associate Consumers with a DataVocabulary

Reference to multiple entries for a single property vocabulary instance