Re: [5gangip] Network tokens draft

On Fri, Jul 10, 2020 at 10:16 AM Ca By <cb.list6@gmail.com> wrote:

>
>
> On Fri, Jul 10, 2020 at 10:03 AM Yiannis Yiakoumis <
> yiannis@selfienetworks.com> wrote:
>
>> "In mobile, the the bearer is a bit of a virtual circuit.  Each UE has one
>> or more bearers which are assigned an e2e qos policy.  Your cases for
>> tokens would be stronger if you could show how tokens overcome a defined
>> challenge that is not solved today.  It is important for credibility to
>> demonstrate knowledge of the existing approach … otherwise the suggestion
>> appears out of context"
>>
>> We are actually building a prototype that combines tokens with a
>> dedicated bearer for an LTE network, and provides E2E QoS both at uplink
>> and downlink. Implementation happens at
>> https://github..com/network-tokens/ <https://github.com/network-tokens/> .
>> Happy to share more details if you are interested.
>>
>>
>> Y.
>>
>
> But why is this better than the existing bearer / pcrf model?
>
> What problem are you solving that is novel or better than the existing
> approach?
>
> Just saying your model is a great is not helpful.
>

One advantage is that it moves the solution into the IP layer so it can be
used with a broader range of technologies. For instance, when a phone
connects to a Wifi router the application uses the same interface to get
tokens from that provider.

Tom

>
>
>>
>> =====================
>> Yiannis Yiakoumis
>> Co-Founder & CEO
>> https://selfienetworks.com | +1-650-644-7857
>>
>>
>> On Fri, Jul 10, 2020 at 9:35 AM, Yiannis Yiakoumis <
>> yiannis@selfienetworks.com> wrote:
>>
>>> subscribed late and can't reply inline to follow-up comments. Short
>>> response to Ca By's point on whether the network trusts the UE.
>>>
>>> "A fundamental principle of mobile qos is that you do not trust the UE, as
>>> it can be compromised to make all traffic high priority. Only the network
>>> can reliably and securely allocate resources based on policy."
>>>
>>> The basic architecture for network tokens is agnostic on the trust
>>> relationships between UE, app provider, network and server. It provides
>>> mechanisms to encrypt/sign a token, and metadata to prevent replay and
>>> spoofing attacks so that operators can adjust it to the appropriate trust
>>> model. It borrows a lot from the ideas implemented in JWT, CWT and OAUTH2.
>>>
>>> Yiannis
>>>
>>>
>>>
>>> =====================
>>> Yiannis Yiakoumis
>>> Co-Founder & CEO
>>> https://selfienetworks..com <https://selfienetworks.com> |
>>> +1-650-644-7857
>>>
>>>
>>> On Thu, Jul 09, 2020 at 10:00 AM, Tom Herbert <tom@herbertland.com>
>>> wrote:
>>>
>>>> This is a draft on "Network Tokens" which is of relevance to facilitate
>>>> fine grained QoS in 5G networks.
>>>>
>>>> https://tools.ietf.org/html/draft-yiakoumis-network-tokens-01
>>>>
>>>> There is also a mailing list in
>>>> https://www.ietf.org/mailman/listinfo/network-tokens
>>>>
>>>> We are planning to present in tsvwg and app aware networking and
>>>> possibly have a side meeting on this topic in IETF108.
>>>>
>>>> Thanks,
>>>> Tom
>>>>
>>>
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