[dhcwg] draft-jiang-dhc-stateless-reconfiguration-01

[Yusuke DOI <[e-mail]>]

Hi,

Let me speak out (again) that I'm interested in the following draft in the context of roll/6lo-ish LLN, in particular, over 802.15.4.

>         Title           : Stateless Reconfiguration in Dynamic Host Configuration Protocol for IPv6 (DHCPv6)
>         Authors         : Sheng Jiang
>                           Bing Liu
> 	Filename        : draft-jiang-dhc-stateless-reconfiguration-01.txt

We have an application of DHCPv6 that may use statelss mode to deliver network configurations to nodes over wireless mesh network (=> draft-doi-roll-mpl-parameter-configuration-04). Stateless mode is preferred on traffic efficiency (periodic renewal traffic is not preferred on LLN). However sometimes we may need to update configured parameters. We definitely need stateless reconfiguration.

>    {Question to WG No.1} There are three potential mechanisms to create
>    relay agent destinations on the DHCPv6 server:

We prefer b) to remove duplicated messages.

>    {Question to WG No.2} There could be two kind of stateless DHCPv6
>    reconfiguration modes as the following, which one is proper?  Or we
>    should support both?

Is there any difficulty to support both modes? I think these two modes should have different use cases. 'Push mode' will fit to our use case because the configuration is network-wide and push-mode (with multicast target -- it can be broadcasted on a link) is much much more efficient than trigger mode in LLN. But some administrator may want to have per-client configuration and that is the nature of DHCP, as described.

Regards,

// Yusuke DOI <[e-mail]>