Signal the end of each XML document sent by the
NETCONF server and client applications. Client applications send the
sequence after its closing
and each closing
</rpc> tag. The NETCONF
server sends the sequence after its closing
</hello> tag and each closing
Use of this signal is required by RFC 4742, Using the NETCONF Configuration Protocol over Secure SHell (SSH), available at http://www.ietf.org/rfc/rfc4742.txt .