Yes! Let those of us who want to use extension headers use them!
Thanks,
Nalini Elkins
Inside Products, Inc.
(831) 659-8360
www.insidethestack.com
________________________________
From: Ole Troan <otr...@employees.org>
To: Ray Hunter <v6...@globis.net>
Cc: "vishwas.man...@hp.com" <vishwas.man...@hp.com>; 6man <ipv6@ietf.org>;
Fernando Gont <fg...@si6networks.com>
Sent: Friday, June 7, 2013 2:06 AM
Subject: Re: draft-ietf-6man-oversized-header-chain-02 (was Re: Re:
draft-ietf-6man-ext-transmit-01)
[absolutely no chair hat]
> Does size matter?
>
> Or is the complexity of the ASIC implementation of a header chain parser
> more heavily influenced by the fact that the header chain is defined as
> a linked list of type-length-value items that can be built up in any
> number of valid combinations, and so has to be traversed and interpreted
> at every individual link?
>
> What if the most common individual TLV option tokens were standardized
> further?
>
> And the transmission order fixed?
>
> What if the most common individual extension headers were standardized
> further?
>
> And the transmission order fixed?
>
> Would this help make hardware parsing possible/economic?
since it's Friday... and thinking aloud, what extension headers are in actual
use today?
what would be the consequence of relegating them to networks using them only
among consenting adults?
IPv6-Opts:
-----------------
Link specific: Jumbo Payload
Consenting Adults: RPL Option, CALIPSO, Line-Identification Option, MPL Option
Experimental: Quick-Start, SMF_DPD, ILNP Nonce, IP_DFF
Not implemented: Tunnel Encapsulation Limit
Hop-by-Hop option: Router Alert. DOS vector
Home Address - could use tunneling.
IPv6-Route:
-------------------
There are two source route types, one used by mobile IP (that could use
tunnelling),
and one used by RPL, which could be supported in a RPL network.
IPv6-Frag:
---------------
It would be an interesting analysis to see what application layer protocols
must change if
we were to remove fragmentation from the Internet layer.
of course you have AH, ESP, various GRE, IP in IP stuff as well.
cheers,
Ole
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