Technology

Device(s)

Deployment Difficulty

Market

Potential

Scope

Type

Standard

Wide OS support

NS3 support

Notes

WiFi scan based channel switch

AP/STA

Fully Installed (low)

N/A

link

PHY Chanspec

n/a

WiFi EDCA adaptive parameterization & optimizations with ML system in the cloud

AP/STA

Full installed base

(GW SW upgrade)

high

link/BSS

Media access

IEEE 802.11

Yes, 20B devices in the field are ready now that TOS is being passed

WiFi MU

AP/STA

Partial install base

(N devices installed?)

Low

link/BSS

Media access

IEEE 802.11

WiFi OFDMA

AP/STA

Partial install

High

link/RF

Media access / Frequency RUs

IEEE 802.11

WiFi MLO

STA/AP

Greenfield

(very difficult)

High

link/RF/FE

Media access / Multi Radio

IEEE 802.11 WiFi 7

yes

WiFi WMM ACs

STA/AP

Full install base

(Operational)

None

Network

IP DSCP / packet

IEEE 802.11

WiFi MSCS

(AP QoS mirror)

AP

GW software

link

UP assignment of classified flows

WiFi SCS

STA client 2 AP

AP/STA software

link

UP assignment of classified flows

QoS Mgmt: 5G QoS to Wi-Fi QoS mapping

QoSMgmt: DSCP Policy

QoS Mgmt: QoS Map (and, generally, DSCP to UP mapping)

802.11ax

AP

AP/STA firmware

link

AP scheduling

Yes

Use of TWT and rTWT SPs (quasi-scheduled access)

link

LLAPI

AP

Retrofit

(GW SW upgrade)

Medium

link

AP scheduling

BRCM proprietary / Standardized outputs

Classification can come from DPI, SCS, heuristics based classification, etc.  

May be incompatible with sni encryption

TCP CCAs (BBRv2,3)

End hosts / transport

Retrofit

(Host SW update Google/Apple)

None

end to end

Delay based pacing

IETF RFC

L4S QUIC ECN

End hosts/application transport

Retrofit

(Forwarding plane HW changes / Host SW Update)

End to end / Network policing NQB

Strict Priority Pacing

IETF RFC

Google announced server support. Not sure which apps

L4S TCP ECN

End hosts / transport / Forwarding Planes including AP/GW

Retrofit

(Forwarding plane HW changes / Host SW Update)

Unknown

end to end / NQB

Strict Priority Pacing

IETF RFC

In progress

Comcast finished trials. Requirement in DOSCIS. Merchant silicon (StrataDNX)

Multipath TCP

End hosts

IETF

Multipath QUIC

End hosts

IETF

Qdisc FQ_CODEL

Gateway

Partial install base

(GW SW upgrade)

None

bufferbloat

AFAP / scheduling

Yes

Qdisc CAKE

Gateway

Partial install base

(GW SW upgrade)

bufferbloat

Link aware scheduling

No

QDISC Pie 2

Gateway/AP

Retrofit

(GW SW upgrade)

Medium

bufferbloat

AFAP / scheduling

Yes

QDISC FQ w/TCP CCA

End hosts / packets

Partial install base

(Host updates)

None

end to end

Pacing

Yes

ECN/CWND & WiFi AMPDU alignment

End hosts / L2 driver / ECN

?

?

end to end & WiFi link

No