I think what we need to understand in order to answer this question is how exactly the underlying TCP connection evolves during the whole WebSocket creation process. You will realize that the sticky part of a WebSocket connection is the underlying TCP connection itself. I am not sure what you mean with “session” in the … Read more
nginx 1.11.0 added the new variable $request_id which is a unique identifier, so you can do something like: location / { proxy_pass http://upstream; proxy_set_header X-Request-Id $request_id; } See reference at http://nginx.org/en/docs/http/ngx_http_core_module.html#var_request_id
API Gateway and Load Balancer are 2 different things. Load Balancer -> Its a software which works at protocol or socket level (eg. tcp, http, or port 3306 etc.) Its job is to balance the incoming traffic by distributing it to the destinations with various logics (eg. Round robin). I doesn’t offer features such as … Read more
All three are called “proxies.” A listen is a combined frontend and backend. A listen has an implicit default_backend of itself, but the frontend logic of a listen can use other backends and its backend section can be used by other frontends. Fundamentally it just keep configuration more compact for simple rules, but otherwise it’s … Read more