Re: [tsvwg] Comment on draft-ietf-tsvwg-transport-encrypt-13

[Gorry Fairhurst <[e-mail]>]

On 24/03/2020 03:49, Joseph Touch wrote:
> +1
>
>> On Mar 23, 2020, at 8:21 PM, Tom Herbert <[e-mail] 
>> <mailto:[e-mail]>> wrote:
>>
>>> NEW
>>>
>>>   o  On the one hand, protocols do not necessarily have an incentive to
>>>
>>>      expose information that is used by the protocol.  The incentive
>>>
>>>      to expose transport header information has to be considered when
>>>
>>>      proposing a method to do so.
>>>
>> David,
>>
>> That's changing the meaning of the text. The original text was making
>> a point that if transport layer information is exposed there needs to
>> be an incentive for the host to set the information honestly and
>> correctly. This is true, not just for transport layer information but
>> for everything the host tells the network. An obvious example is TOS
>> in IPv4-- left to their own devices everyone would just request the
>> highest level of service of traffic for all packets. So we need some
>> tangible incentive for user to be honest and correct. For instance,
>> TOS might have worked if the user were explicitly charged for the
>> higher level of service, but that would imply a contract between the
>> network and the host is established and a whole bunch of mechanisms
>> that require far more than just anonymously volunteering some
>> arbitrary amount of transport layer information.
>>
>> Tom

+1

Gorry