Re: [mobile-ip] Re: IPv6 Advanced Socket API extension for Mobile IP

JINMEI Tatuya / ???? wrote:
>>The reason is that
>>most Mobile IPv6 implementation are supported in the "kernel" and
>>already do checksumming.
> 
> 
> What exactly do you imagine about the implementation that supports
> mobile IPv6 in the kernel?
>  If it generates, does checksumming, and
> sends a packet with a mobile header completely within the kernel (the
> KAME implementation apparently acts like this), it can do so without
> conflicting with any API spec.  So I don't get why this is the reason
> for specifying the behavior on a raw socket used by applications
> (i.e., not by the kernel.)

I guess I was originally looking at it from the recieve side.  On
a aystem that already implements MIPv6 message handling at the
network layer (in the kernel), it's rather pointless to set the
IPV6_CHECKSUM option since the packet will be checked anyway.

-vlad
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Vladislav Yasevich		Tru64 UNIX Network Group
Hewlett Packard 		Tel: (603) 884-1079
Nashua, NH 03062		ZKO3-3/T07


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