On 19/12/19 20:44, Brian E Carpenter wrote:
> On 20-Dec-19 12:01, Robert Raszuk wrote:
>>>    And where is it forwarded to, since we are already at the DA?
>>
>> PSP operates at the n-1 segment end of the SR path so naturally after 
>> swapping DA it is forwarded to the segment end. Note that we are all along 
>> operating on the encapsulated header ... original packet including its 
>> original IPv6 header is sitting as passenger here. 
>>
>> So last segment here will received encapsulated IPv6 packet will decapsulate 
>> it and fwd based on the original DA. 
>>
>> Seems very simple :) 
> 
> Right, but the language in the PSP sub-section does not talk about 
> decapsulation. 

Because it's not. :-) They are deleting an EH.

Thanks,
-- 
Fernando Gont
e-mail: ferna...@gont.com.ar || fg...@si6networks.com
PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1



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