* See <a href="https://en.wikipedia.org/wiki/Marshalling_(computer_science)" target="_blank">https://en.wikipedia.org/wiki/Marshalling_(computer_science)</a>
* Final common tests of PDU characteristics after individual fields are checked.
* See <a href="https://en.wikipedia.org/wiki/Marshalling_(computer_science)" target="_blank">https://en.wikipedia.org/wiki/Marshalling_(computer_science)</a>