OSB Business Service is not timing out on Connection/Read timeout

I have a weird problem with my business service in OSB. I have set the read timeout value as 1 sec and Connection timeout value as 1 sec. The response from backend is taking more than 2 seconds or even 3 seconds but still my business service is not timing out..! My service is still listening to the response from backend even if it comes after 3 seconds. I expect it to timeout after 2 seconds. Any ideas?
Business Service Configurations:
Service Type: Any type
Protocol: http
Retry count : 0
Retry Application Errors: No
Read Timeout: 0
Connection Timeout: 0
HTTP Request Method: POST
Result Caching: No
Let me know if you need any more information. Thanks in Advance.
Regards
Kaleem

AbhishekJ wrote:
Maximum possible successful response time of the service will be less than Read TO + Connection TO.
Alas, this is not true.
Maximum possible response time is infinity.
There are two reasons for that.
1. Read timeout is not counted as time from the successful connection establishing to the current moment. It is measured as time from the last received byte to now. Imagine a backend service that sends a single byte in a data packet every 500ms. Despite you have read timeout set to 1, the receiving of 3K message will take 25 minutes, and yet your Biz service will not timeout.
2. In HTTPS, handshake is handled by a separate library which has its own quirks. Specifically, if the key exchange is broken at particular point of handshake, the library re-establishes the connection and does it few times; in my experiements, the largest I could delay the eventual fault was about 3 minutes.
Having said that, in the OP message the configuration is Read=0, Connect=0, so I wonder why the timeout is expected.

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