Hi Jouni, Please the response in-line.
-----Original Message----- From: jouni korhonen [mailto:jouni.nos...@gmail.com] Sent: Thursday, November 22, 2012 6:54 AM To: Samita Chakrabarti Cc: 6man Mailing List; Bob Hinden; Ole Trøan; Erik Nordmark Subject: Re: Updated Efficient-nd posted Hi, I had a quick glance over the I-D. Since you are referring to LTE networks (I assume this is the indirect assumption for cellular networks in the I-D). ==> Yes. It should just say 3GPP Cellular Networks. Looking at TS 23.060 and TS 123.401 I see that the former allows periodic RA. Though TS 123.401 stays silent about periodic RA, and it talks about RS->RA sequence and DAD not being required for SLAAC. However, it is unclear if the RA is unicast or multicast and does not prevent one implementation to send periodic RA. I wonder what kind of real & specific benefits you envision over, say the LTE link? Those cellular links are already rather quiescent when it comes to ND traffic. To me what to I-D proposes introduces more ND traffic than there is today. Or am I missing something fundamental here? ===> The real benefit is that the SDO can directly refer to this IETF document ( if published as a RFC) which clearly states the behavior of UE and Address-assignment router/server. This will prevent multiple interpretation of the SLAAC behavior ( multicast messages, periodic RA) from the 3GPP documents. Since 3GPP GGSN or PDN-GW already acting as a default router, the node registration will be useful information to the operator for UE management. Today, in many cases, DHCP is used or some other SDO specific registration is done to provide the SLAAC service; this document will provide uniformity across handsets/technologies. For example, a handset switching from Cellular to wireless or vice-versa can maintain the same optimized behavior of address assignment procedure. The I-D does not add more ND traffic at all. The registration procedure is an optional feature and it is also embedded in NUD like message and one can set a long lifetime to avoid frequent registration. Thanks for your input. -Samita On Nov 22, 2012, at 2:04 AM, Samita Chakrabarti wrote: > Hello All: > > As a follow-up from the IETF85 6man meeting presentation on > Efficient-nd draft, we have posted a new version of the document which > incorporated comments from Carsten Bormann in the list on editorial changes > and some more clarification and editorial changes based on individual > comments. > > More comments are welcome in improving the document. > > Regards, > -Samita > -------------------------------------------------------------------- IETF IPv6 working group mailing list ipv6@ietf.org Administrative Requests: https://www.ietf.org/mailman/listinfo/ipv6 --------------------------------------------------------------------
