On 7/16/03 7:39 AM, "Keith Moore" <[EMAIL PROTECTED]> wrote:
> ] I'd go a bit further. I messed around with a large bridged > ] network for some years, and this included messing with ARP > ] proxies and all the troubles they cause. Basically, making > ] a level 2 device simulate level 3 functions is a kludge, and it > ] gets even worse when attempting to "bridge" different LAN > ] technologies. > > Lately I find myself wondering if there's not room for a uniform layer 2.5 > interface that is designed to work over a set of bridged 802-style layer 2 > networks, but presents a slightly different interface to the host. So for > instance hosts would be explicitly required to announce presence on a link (no > more passive waiting for ARP requests), there would be an explicit L2.5 > multicast join/leave (no more sniffing for L3 multicast requests), > and there > would be a uniform way for a host to authenticate to the link (no more PPPoE), We are working on a standard L3 solution for that part: http://www.ietf.org/html.charters/pana-charter.html FYI.. Alper > with hubs having a way to know whether a particular host/port/address was > authenticated and the ability to switch that host's traffic differently > depending on that bit. The same authentication interface could be used as a > gateway to control access to a larger network. > > The point is to explicitly design such an interface rather than resorting to > more and more tricks. > > (has this already been worked on and I just don't know about it?) > > Keith > -------------------------------------------------------------------- > IETF IPng Working Group Mailing List > IPng Home Page: http://playground.sun.com/ipng > FTP archive: ftp://playground.sun.com/pub/ipng > Direct all administrative requests to [EMAIL PROTECTED] > -------------------------------------------------------------------- > -------------------------------------------------------------------- IETF IPng Working Group Mailing List IPng Home Page: http://playground.sun.com/ipng FTP archive: ftp://playground.sun.com/pub/ipng Direct all administrative requests to [EMAIL PROTECTED] --------------------------------------------------------------------
