Re: requirements and the security considerations

> By taking into account two comments, the revised text is as follows.
> 
> REQ7: DMM SHOULD consider multicast early so that solutions can
> 
> be developed not only to provide IP mobility to keep IP multicast sessions when it is needed, but to avoid network inefficiency issues in multicast
> traffic delivery (such as duplicate multicast subscriptions
> towards the downstream tunnel entitiesy). The multicast solutions
> should therefore avoid restricting the management of all IP
> multicast traffic to a single host through a dedicated
> (tunnel) interface on multicast-capable access routers.
> 
> Motivation: Existing multicast deployment have been introduced after completing the design of the reference mobility protocol, then optimization and extensions have been followed, by “patching-up” procedure, thus leading to network inefficiency and non-optimal routing. The multicast solutions should therefore be required to consider efficiency nature in multicast traffic delivery.
> 

The above would work for me.. at least better than the current text
in the I-D.

- Jouni