Denovo1998 commented on PR #23143:
URL: https://github.com/apache/pulsar/pull/23143#issuecomment-4037715109

   @lhotari @codelipenghui 
   
   It seems to be in the current scenario of AI Agent. The function of this 
request-response message sending model is still very important.
   
   
https://streamnative.io/blog/case-study-apache-pulsar-as-the-event-driven-backbone-of-trustgraph#pulsar-in-action-a-day-in-the-life-with-trustgraph
   
   ```
   Request/Response Messaging: For interactive services—such as an AI Agent API 
or the GraphRAG query service—TrustGraph sets up dedicated request and response 
topics. For example, when a user’s query hits the Agent service, it is 
published to a request topic, the agent processes it, and the answer comes back 
on a response topic tied to that user’s session or flow. This pub/sub 
request-response pattern feels like a direct call from the client’s 
perspective, but under the hood it’s decoupled and asynchronous. The client can 
await a response without knowing which specific service instance will handle 
it. This pattern gives synchronous behavior on top of asynchronous internals, 
combining interactivity with scalability.
   ```


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