How the Support + Kanban structure works unitedly?

Session details
Nowadays, the Support model is in the most advanced demand, and the Clients prefer to sign the Support and Maintenance contract after site development. In the Support contract, We like to manage the Drupal Security updates, Downtime/Uptime monitoring, Monthly consumption reports, AM support for escalations, etc.
In this session, I will explain how the support & Maintenance model works with the Kanban model. How is it beneficial for the clients?

Learning Objectives
What is the Support & Maintenance model?
How does estimation work in Support projects?
How to manage Uptime/Downtime issues under the Support Model?
How to manage Drupal Security updates for Multiple Projects under Support Model
How Kanban plays a Vital role in managing Support projects?
How to manage the Support Capacity?
Target Audience
Project / Product / Scrum Master / Account Managers
Executive Sponsors / Executive Leadership
Interested Contributors (developers, designers, etc.)