James, > I will venture a guess here: they don't want to deploy a new protocol.
It would be good to get the exact details from Ric or Mark or whoever knows them. But my understanding is that their desires relate to the following: - Moving away from a user/password authentication that the PPPoE users had would require changes in the business processes, e.g., relying on line ID only. And it would be a good thing to be able to move around with your subscription. Assuming of course that the lower layers in the DSL system are capable of allowing that without some configuration. (And of course, its also a Good Thing to move away from PPPoE... we should support that.) - Moving away from AAA-based authentication would imply changes in how subscriber data is managed and served. - DSLAMs are already looking at DHCP packets and filtering them appropriately. A new protocol would require changes in DSLAMs. - 802.1x runs between a port and a switch, I think this means that in the DSL world this would translate into a requirement for the DSLAM rather than the BRAS performing the authentication. - Practical implementations on the BRAS side currently do the option 82 processing in the DHCP code, so new processing steps for related purposes are convenient to have in the same part of the code. The different reasons have a different nature. The first two items do not imply that a DHCP-based solution is needed, just that some AAA-based approach is. Last item is more about convenience than anything else. Not sure what would be involved in the third and fourth items. Jari _______________________________________________ Int-area mailing list [email protected] https://www1.ietf.org/mailman/listinfo/int-area
