Some considerations for choosing between Message Router and Data Router:

Attribute	Message Router	Data Router	Comments
Payload description	frequent, small (~KBs) messages	periodic, large sets of records (files)
Max payload size	1 MB	x GB
Authentication Model	AAF Credentials via Basic Authorization	Local credentials via Basic Authentication
Persistence	Yes (kafka data store on PV)	Yes (Linux file on PV)
High Availability	Using ZK ensemble	Using horizontal scaling
Data ordering	Possible	Not guaranteed
Subscriber implementation	HTTP Client	HTTP Server	NOTE: the HTTP Server implementation implies the installation of a server SSL certificate.

Some ways MR and DR are the same:

Attribute	Message Router	Data Router	Comments
Bus Architecture	Yes	Yes	Both use "publisher" and "subscriber" terminology for end points
HTTP/HTTPS protocol	Yes	Yes
Data Expiration	Yes	Yes	NOTE: different default values. MR: 7 days. DR: 24 hours.
Publisher implementation	HTTP Client	HTTP Client

DMaaP Provisioning

Provisioning for Message Router Clients

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