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Date:   Sat, 23 Feb 2019 12:43:51 -0800
From:   Eric Dumazet <>
To:     Alexei Starovoitov <>
Cc:     David Ahern <>, brakmo <>,
        netdev <>, Martin Lau <>,
        Alexei Starovoitov <>,
        Daniel Borkmann <>,
        Kernel Team <>
Subject: Re: [PATCH v2 bpf-next 0/9] bpf: Network Resource Manager (NRM)

On 02/23/2019 12:40 PM, Alexei Starovoitov wrote:
> On Sat, Feb 23, 2019 at 10:39:53AM -0800, Eric Dumazet wrote:
>> On 02/22/2019 07:03 PM, David Ahern wrote:
>>> On 2/22/19 8:06 PM, brakmo wrote:
>>>> Network Resource Manager is a framework for limiting the bandwidth used
>>>> by v2 cgroups. It consists of 4 BPF helpers and a sample BPF program to
>>>> limit egress bandwdith as well as a sample user program and script to
>>>> simplify NRM testing.
>>> 'resource manager' is a really generic name. Since you are referring to
>>> bandwidth, how about renaming to Network Bandwidth Manager?
>> Or just use the normal word for a policer ...
>> Really this is beyond me that TCP experts can still push policers out there,
>> they are really a huge pain.
> hmm. please see our NRM presentation at LPC.
> It is a networking _resource_ management for cgroups.
> Bandwidth enforcement is a particular example.
> It's not a policer either.

Well, this definitely looks a policer to me, sorry if we disagree, this is fine.

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