Publish & Subscribe
Publish and subscribe form the
foundation for JBI.  The repository
holds published information for later
query.
All information dissemination and
management is based upon
metadata.
Info
Object
Publish
Challenges:
Scalability and Security
Bandwidth management
Dynamic content tailoring
Translating Commander’s intent to:
Message priority
Resource allocation
Techniques to balance information
release controls with on-demand
dissemination
Subscribe
Rounded Rectangular Callout: When info object type T, 
with metadata tags <source> 
match a published object, give it to me!