Folks, The IAB has proposed the below BOF for the upcoming NANOG (please see http://www.nanog.org for information on NANOG). As mentioned in the description (see below), the purpose of the BOF is for the IAB to solicit operator feedback on the progress and direction of IETF IPv6 multi-homing work, and to help the IAB determine if there is meaningful work that it can do (or can signal to the appropriate IETF working group(s)) to address any issues that may be perceived with the current direction. Please let us know if you have any questions or comments, and watch the NANOG pages in the upcoming days for the NANOG agenda. Thanks, and hope to see you there. Dave (for the IAB) -- IAB IPv6 Multi-Homing BOF With the advent of the growing and wide-spread deployment of IPv6, many familiar operational issues have arisen. Among the current IPv6 "hot topics" are RIR policy (including the HD ratio discussion) and site multi-homing. This BOF proposal focuses on the multi-homing issue, since multi-homing is one of the significant drivers of the growth and dynamic properties of Default Free Zone (DFZ). In particular, there is concern that that the amount of multi-homing will grow beyond the organizations who use it today in the IPv4 Internet and that new mechanisms will be required to to handle that growth. The current direction that the IETF is taking is being defined by the shim6 working group. Briefly, shim6 seeks to find a mechanism which provides most the functional benefits of multi-homing while still allowing reasonable scalability of the DFZ. Note that multi-homing under shim6 differs from multi-homing under IPv4 since in IPv4 case, multi-homing is accomplished (in most cases) by injecting a provider-independent (PI) prefix into the DFZ. This approach has the property that it scales in the number of multi-homed sites; each multi-homed site requires an unique entry in the DFZ. shim6 differs from the IPv4 approach in that it does not require an entry in the DFZ per multi-homed site. The purpose of this BOF for the IAB is to solicit operator feedback on the progress and direction of IPv6 multi-homing work, particularly as discussed in the IETF, and to help the IAB determine if there is meaningful work that it can do or can signal to the appropriate IETF WGs to address any problem(s) that may be perceived with the current direction. Minimally, notes of the session will be posted for those unable to attend the discussion in person.
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