Hello Naresh
The concepts you are listing here are quite broad and include many different technologies and architectures. Such topics are not typically covered within the core content of the fundamental CCNA/CCNP/CCIE curriculum, and are thus not covered in any depth on the site.
However, doing some Internet searching myself, I’ve come up with the following links that may give you a good start on some what you list above:
- No Latency Load Balancer in Data Centers - Cisco Blogs
- Cisco GSS Global Server Load-Balancing Configuration Guide
- Cisco VXLAN EVPN Multifabric Design White Paper
- Cisco’s Overlay Transport Virtualization
Some datacenter-related content can also be found at the following post, that deals with one aspect of distributed datacenters:
I hope this has been helpful!
Laz