Perhaps the ordering procedure can be performed by plain old TCP&#x2F;IP-over-pigeon: <a href="https:&#x2F;&#x2F;www.ietf.org&#x2F;rfc&#x2F;rfc1149.txt" rel="nofollow">https:&#x2F;&#x2F;www.ietf.org&#x2F;rfc&#x2F;rfc1149.txt</a>