Let’s
consider Oracle Apps 11i/R12.
How does
the web browser make connection with the http server?
Below is the flow:
* An attempt is made to obtain an IP
address using the IPname of the website/URL.
* The Domain Name servers (DNS) provides this lookup (conversion of IP name to IP address).
* Open an IP socket connection to that IP address.
* Then the socket connection is used to write an HTTP data stream to the web server.
* Receive an HTTP data stream back from the Web/HTTP server in response. This data stream contains status codes whose values are determined by the HTTP protocol.