Re: [Mip6] Summary of Justification for Alternative Authentication Option

hi Gopla,

there were a few coments on just using the AAA infrastructure
for creating security associations for IPsec. no IKE.

and there were also some concerns expressed on using both
authentication mechanisms at the same time.

Vijay

Gopal Dommety wrote:
> Hello All,
> 
>             I am attaching a summary of the discussion that took place on
> justification of an alternate authentication mechanism.  Please let me 
> know if
> I have left out any important issue in the summary. I could have also 
> mis-read
> people opinions, so if there is a correction please let me know. I will 
> send a follow-up
>  email with the next steps.
> 
> 
> Thanks,
> -Gopal
> 
> 
> Summary
> =======
> 
> The WG has been engaged in a discussion over the last week on the
> topic of standardizing an authentication date suboption based
> mechanism for the purpose of registering an MN with its HA via the
> BU/BAck messages.
> To summarize the discussion in brief:
> 1. The I-D draft-patil-mip6-whyauthdataoption-00.txt was used as the
>    baseline for the discussion
> 2. Opinion was expressed that the I-D was more inclined in justifying
>    why the use of  IKE was a problem for setting up the MN-HA IPsec SA
>    and not really providing sufficient justifications for an
>    alternative scheme to the use of IPsec for securing the signaling
>    messages between the MN and HA
> 3. There were a few people who expressed strong views of keeping IPsec
>    as the only means for MIP6 security between MN and HA (Francis and 
> Hesham (?))
> 4. There were others who claimed the need for an alternate option to
>    MIP6 including one operator who plans to deploy the protocol in
>    their network (Raj, James Kempf, Alpesh, Gopal, Kuntal, Vijay, 
> Michael Roe)
> 5. There was also a note from an implementers perspective on the
>    challenges of integrating MIP6 with IPsec (Michael Roe)
> 6. There was discussion about the problem of replay attacks and the
>    need for key refreshment
> 7. IKEv2 is expected to provide a solution to the problem of setting
>    up dynamic SAs in networks that rely on AAA infrastructures. While
>    IKEv2 itself has been approved, the details of how IKEv2 is used
>    with MIP6 are still being worked out in an I-D that is not ready
>    yet.
> 8. There was an opinion that the bootstrap work being done in the WG
>    would address the needs of the environment claimed in I-D
>    draft-patil-mip6-whyauthdataoption-00.txt
> 
> 
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