| Excerpt |
|---|
|
How to find scanners on your network. |
Scanner discovery follows a request/response model, whereby the user's application requests scanners that meet certain criteria (it can also request all available scanners), and the scanner(s) respond to the request by sending their ID information. The responses are not guaranteed to be returned in real-time; they're sent via UDP. Consequently, after the request, the functions used for discovering scanners block for approximately one second in order to reasonably ensure that all scanners get their responses in.
...
