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I have to implement the TFTP protocol in C for a school projet according to the RFC 1782.

When a client send a RRQ paquet with option(s), the serveur reply with a OACK paquet to confirm the recognized option(s). I'm fine with that.

Buf if the client send a RRQ paquet without option, does the server have to send a OACK paquet or does he begin to send the DATA paquet(s) directly?

Thank you.

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Mathieu
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1 Answers1

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As specified in the [rfc 1782], you can send the DATA packets directly.
"the server may respond with an Options Acknowledgment "

[rfc 2119]:
5. MAY This word, or the adjective "OPTIONAL", mean that an item is truly optional. One vendor may choose to include the item because a particular marketplace requires it or because the vendor feels that it enhances the product while another vendor may omit the same item. An implementation which does not include a particular option MUST be prepared to interoperate with another implementation which does include the option, though perhaps with reduced functionality. In the same vein an implementation which does include a particular option MUST be prepared to interoperate with another implementation which does not include the option (except, of course, for the feature the option provides.) [rfc 1782]: https://www.rfc-editor.org/rfc/rfc1782 [rfc 2119]: https://www.ietf.org/rfc/rfc2119.txt

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Tartusi
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