ericsson vAQM on LTE
(too old to reply)
Sebastian Moeller
2018-05-09 09:41:58 UTC
Raw Message
> On May 9, 2018, at 11:36, Dave Taht <***@gmail.com> wrote:
> It takes a while to get to the point, but I am encouraged. Maybe we
> don't have to rebuild/reverse enginer a few 5g implementations from
> scratch.
> https://www.ericsson.com/assets/local/publications/ericsson-technology-review/docs/2018/virtual-aqm-for-mobile-networks.pdf
> "Figure 3 illustrates vAQM in two scenarios: Packet Data Network
> Gateway (PDN GW) of Evolved Packet Core (EPC) in 4G and in the User
> Plane Function (UPF) of 5G core. In 5G, vAQM will be deployed as a
> network function by the UPF of the 5G core. It will be configured per
> PDU session, per SDF (Service Data Flow)/QoS flow – that is, the
> guaranteed bitrate (GBR) or nonGBR QoS flow. The non-GBR QoS flows of
> one PDU session will be aggregated and handled by one vAQM, whereas
> each GBR QoS flow will be allocated a vAQM with a dedicated virtual
> buffer. The Session Management Function (SMF) will configure vAQM and
> its virtual buffers for the QoS flows during the PDU session
> establishment/ modification phase. Configuration will occur when SMF
> provides the UPF with a QoS Enforcement Rule that contains information
> related to QoS enforcement of traffic including an SDF template (in
> other words, packet filter sets), the QoS-related information
> including GBR and maximum bitrate, and the corresponding packet
> marking information – in other words, the QoS Flow Identifier (QFI),
> the transport-level-packet-marking value. vAQM is self-learning,
> making it fully automated without any parametrization."

Ooops, who would have thought that "sentient" Skynet will actually wil have spend its formative years as a "self-learning" AQM-system; might explain its propensity to throttle its subjects ;)

> --
> Dave Täht
> CEO, TekLibre, LLC
> http://www.teklibre.com
> Tel: 1-669-226-2619
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