Re: [HOKEY] [hokey] #10: keepalives

Glen Zorn <glenzorn@gmail.com> Tue, 04 October 2011 09:11 UTC

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Date: Tue, 04 Oct 2011 16:14:36 +0700
From: Glen Zorn <glenzorn@gmail.com>
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To: Qin Wu <bill.wu@huawei.com>
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Cc: draft-ietf-hokey-arch-design@tools.ietf.org, hokey@ietf.org, gwz@net-zen.net
Subject: Re: [HOKEY] [hokey] #10: keepalives
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On 9/28/2011 11:03 AM, Qin Wu wrote:
...

>> #10: keepalives
>>
>> Tina: in 3.1.1, when local/home server is remote, if you minimize too
>> much, may need keepalives
>> Simon: matter of policy; ERP server could just be allowed to extend the
>> lifetime of the key until reachability of home AAA server is restored
>> Tina: something about this needs to be said
> 
> According to RFC5296, The rRK is expired when the parent key EMSK expires and MUST be
>  removed from use at that time.
> However if EMSK expires, new EAP method exchange is required to generate new EMSK.
> The peer can use the rRK lifetime to know when to trigger an EAP method exchange.
> Therefore I don't think any addtional text for keeping alive is required. Hope it clarifies.

Excellent, thanks!

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