Hi Shuping, > On Mar 12, 2021, at 7:34 AM, Pengshuping (Peng Shuping) > <[email protected]> wrote: > > Hi Folks, > > Please find below the FAQs I listed in the slides but did not get time to > present. Your comments and feedback are very much welcomed. Thank you! > > You can also find the slides here. There are also some information for your > references at the end of the slides. > https://datatracker.ietf.org/meeting/110/materials/slides-110-intarea-application-aware-networking-apn-02 > > 1. Are there any applications that can benefit from APN? > I would like to ask how many of us have experienced the Meetecho issues in > this IETF and the virtual ones before. This is one of the applications that > can benefit from APN. :)
In your int area presentation, I think you said that APN was for limited
domains. There was a bullet that said:
APN works within a limited trusted domain.
How would that then apply to Meetecho? Meetecho needs to work across the whole
Internet.
Bob
>
> In this IETF, we had a hackathon "Application-aware G-SRv6 networking", which
> shows the improvements that can be achieved with APN, using which the traffic
> is steered into the appropriate SRv6 path [1]. The results are going to be
> presented and demonstrated in the INFOCOM2021. There was also the first
> demonstration of APN in the INFOCOM2020 [2].
>
> [1]https://github.com/APN-Community/IETF-110-Hackathon-Demo/blob/master/Application-aware_G-SRv6_networking__Demo_and_Test.pdf
> [2]https://ieeexplore.ieee.org/abstract/document/9162934
>
> 2. How APN can help resolve the QoE issues?
> As shown in the APN demonstrations, we can see the differences/improvements
> which APN can make in the network. QoE is complex and has many impacting
> factors including the terminal, access, and network. APN aims to provide ways
> to improve the QoE within the network.
>
> 3. Who is to set the APN attribute?
> It is the network edge device such as CPE (Customer Premises Equipment) not
> the application.
>
> 4. How to set the APN attribute?
> There are many possible ways that can be used to classify the traffic flow at
> the network edge, e.g., the N-tuples as defined in the MEF70 and the AI
> technologies. An APN attribute can be derived by using the match items
> published in MEF70 as well as the access port in the edge device.
>
> 5. How the APN attribute is used in the network?
> The APN attribute is carried in the data packet's header, and it can be used
> in the various nodes/service functions along the network path to enforce the
> policies on the differentiated traffic flow, e.g.,
> 1) at the headend to steer into corresponding path satisfying SLAs
> 2) at the midpoint to collect corresponding performance measurement data
> 3) at the service function to execute particular policies
>
> Best regards,
> Shuping
>
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