IETF works on source address validation in intra-domain and inter-domain networks

Dear colleagues,

We are now working on source address validation technologies for intra-domain and inter-domain networks, aiming at overcoming the improper block or improper permit problems of existing uRPF technology. We will have a BoF meeting on this topic in IETF 113 (refer to We also created a mailing list in IETF ( for discussion. The subscription portal of the mailing list is

If you have interest in this topic, you are welcome to join the mailing list and attend the BoF.


Dan Li