: It targets staff, principal, and architect roles by covering systems that are far more technically intricate than those in the first volume.
Who it's for
Volume 1 designs a generic chat. Volume 2 designs a . It handles the transition from HTTP to WebSockets, managing connection state, and the complexities of "delivered" vs. "read" receipts at scale. system+design+interview+alex+xu+volume+2+pdf+better
If you have the resource, here is the content that actually provides the "better" value you are looking for: : It targets staff, principal, and architect roles