&gt;  If you need to transmit more than fits in one packet (1452 bytes)<p>You must never make assumptions about what fits in one packet. The MTU could be 100, or less, or 8000, or more.<p>As soon as you start doing math based on MTU values that you don&#x27;t permanently have end-to-end control of yourself, you&#x27;re setting yourself up for trouble.