Answer / rambabu gonela

HTTP protocol uses stateless connections. Connection exists
for only single request/response (makes connection to
server, sends request, gets response, closes connection)

On the client?s first request, the container generates a
unique ID (for recongize the client) and sends it back to
the client with response. The client sends back the ID
with each subsequent request. The container sees the ID,
finds the matching session and associates the session with
the request.

This Id called as a Session Id.

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