Re: Proposed text changes to ESPbis and AHbis for multicast support

[Mark Baugher <mbaugher@xxxxxxxxx>]

Russ,

At 01:55 PM 1/2/2003 -0500, Russ Housley wrote:
<...>

> Would it help if the SPI indicated whether the associated security 
> association was unicastor multicast (which includes broadcast and 
> anycast)?  If there were an indication in the SPI itself, then the 
> implementation would know if the unicast or multicast rules should be applied.

The receiver can deduce that by the type of address, unicast or multicast 
(IPv4 or v6).  So there is no need to use the SPI for this purpose.

Mark


> If this is of value, the most significant bit could be used to indicate 
> the security association type.
>
> Russ