Hi guys, You might be interested in our implementation of a sender-based TFRC version described here : http://manu.lochin.net/publications/jourjon_icc07.pdf a longer version is also available here : http://manu.lochin.net/publications/jourjon09sender.pdf
Regards Manu -- "This email and any attachments are confidential. They may contain legally privileged information or copyright material. You should not read, copy, use or disclose them without authorisation. If you are not an intended recipient, please contact us at once by return email and then delete both messages. We do not accept liability in connection with computer virus, data corruption, delay, interruption, unauthorised access or unauthorised amendment. This notice should not be removed"
