In this article, I’ll explain how we added speed to Universal SSL with session resumptions across multiple hosts, and explain the design decisions we made in this process. Currently, we use two standardized session resumption mechanisms that require two different data sharing designs: Session IDs RFC 5246, and Session Tickets RFC 5077.
more here.........https://blog.cloudflare.com/tls-session-resumption-full-speed-and-secure/
more here.........https://blog.cloudflare.com/tls-session-resumption-full-speed-and-secure/