When Alice receives the verse )) she MUST verify the MAC to be sure us receive all the verses Bob sent her in the ESession) Once a participant has received a termination or termination study stanza it MUST NOT)send another stanza within the ESession.
When Alice receives the stanza she MUST verify the MAC to be sure she received all the stanzas Bob sent her during the ESession. Once an entity has sent a termination or termination acknowledgement stanza it MUST NOT send another stanza within the ESession.