> > > 4.5.4 Default Address Selection for IPv6 - RFC3484 > > > > > > Default Address Selection for IPv6 [RFC-3484] SHOULD be supported, if > > > a node has more than one IPv6 address per interface or a node has > > > more that one IPv6 interface (physical or logical) configured. > > > > > > If supported, the rules specified in the document MUST be > > > implemented. A node needs to belong to one site, however there is no > > > requirement that a node be able to belong to more than one site. > > > > This is really weasle worded. Is 3484 mandatory to _implement_ or not? > > You can't make its implementation dependent on whether there are > > multiple addresses, since the number of addresses a node will have is > > not something an implementor will know, as it's an operational issue.
> Why do you say its weasley-worded? I take this as a strong SHOULD. I > imagine that a single purpose IPv6, like a sensor may, in fact, have a > single IP address. The current wording suggests that there are classes of devices that don't need to handle multiple addresses (i.e., they will only have a single address assigned to them). This (IMO) violates a core assumption of IPv6, that all nodes need to deal with multiple addresses. I'd like to see a better justification to allow this. So, I'm not objecting to the SHOULD, I'm objecting to the suggestion that some nodes won't need to support multiple addresses. Note: whether a site uses one or some small number of addressesd is an operational issue, and can't really be a device implementation decision. > Some text clarification may be OK, though, how about > adding to the first paragraph the following text: > It is expected that most implementations will indeed support this, as > since the number of addresses a node will have is more of an > operational issue. IMO, I'd like to see removal of all wording suggesting that it might be OK for devices to support only a single address. Thomas -------------------------------------------------------------------- IETF IPv6 working group mailing list [EMAIL PROTECTED] Administrative Requests: https://www1.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
