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Re: Q: What is advantage of tunnel mode between host to host scenrio?



Hi

Please elobrate the points you are making

1. Fewer mechanisms to implement.

Pl. explain what do you mean by fewer mechnaisms.

Instead , i think there is need to do more processing at both ends ( like
adding extra headers).

2. It hides the fact that you're doing host to host communication
>rather than communication for someone else.

How it hides the fact that the communication is host to host because
the inner and outer IP header may be same. Only in case of host having
multiple NICs then this point is vaild.

-----Original Message-----
From: Paul Koning <pkoning@xedia.com>
To: <rupesh.jain@cdac.ernet.in>
Cc: <ipsec@lists.tislabs.com>
Date: Thursday, March 23, 2000 10:37 PM
Subject: Re: Q: What is advantage of tunnel mode between host to host
scenrio?


>>>>>> "rupesh" == rupesh  <rupesh.jain@cdac.ernet.in> writes:
>
> rupesh> With Ref to RFC2401 tunnel mode between host to host MUST be
> rupesh> supported without any Gateway in picture.In such a condition
> rupesh> my Outer IP header will be same as Inner IP header.I am
> rupesh> unable to visualise advantage of such a Mode.  Can anyone
> rupesh> give me the answer or scenrio where this will have advantage?
>
>1. Fewer mechanisms to implement.
>
>2. It hides the fact that you're doing host to host communication
>rather than communication for someone else.
>
> paul



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