Redbook on Lotus Expeditor micro broker
neekrish 0600011NDE Visits (1994)
Here is the link Messaging from the Edge by Using IBM Lotus Expeditor Client V6.2
This red book basically covers the new features like SSL support and MQTT version 5 client. This also has an enormous collection of design patterns that can be applied to the edge network which helps users/architects to design and deploy their solutions.
Blog by,Vijay Raj K and Neeraj Krishna