Re: [hiprg] rfid-04

Andrei Gurtov <gurtov@cs.helsinki.fi> Tue, 15 November 2011 06:20 UTC

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Date: Tue, 15 Nov 2011 08:19:59 +0200
From: Andrei Gurtov <gurtov@cs.helsinki.fi>
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Subject: Re: [hiprg] rfid-04
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Hi,

Please add required IANA reservations to next draft revision.

How about my other questions?

Andrei

On 15.11.2011 1:02, Pascal Urien wrote:
> Hi Andrei,
> 
> The first mesage delivered by the HIP-RFID protocol is I1-T whose 
> packet type is 0x40
> 
> This value could be normalized by IANA ?
> 
> Best Regards
> 
> Pascal
> 
> 
> 2011/11/14, Andrei Gurtov <gurtov@hiit.fi>fi>:
> 
> I read the new draft, which will be presented on Thursday HIPRG 
> http://tools.ietf.org/html/draft-irtf-hiprg-rfid-04
> 
> I was wondering, is proposed T-BEX interoperating with RFC5201 or 
> 5201bis or DEX HIP? If no, don't we need to request separate IANA 
> protocol version (or even number)? Is there some way that HIP
> hosts can determine which version the other peer is speaking
> (perhaps that needs to be embedded to metadata stored for mapping
> in DNSSEC, DHT, etc).
> 
> Regarding HIT-I, is it newly generated for each exchange with a
> reader? Draft mentions HIIT-I is generated pseudorandomfly by RFID,
> but also says RFID doesn't have timers. So how the randomness can
> be provided, if there is no system clock to seed it? How long the
> generation process typically takes on a RFID?
> 
> Maybe section 1.5 could be extended to summarize differences
> between HIP and RFID-HIP in a bit more detail (e.g. in base
> exchange messages)
> 
> Andrei
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