netdev - Re: [PATCH v2 bpf-next 0/9] bpf: Network Resource Manager (NRM)

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Message-ID: <20190223204046.zjvcxh7cgzshqllm@ast-mbp.dhcp.thefacebook.com>
Date:   Sat, 23 Feb 2019 12:40:47 -0800
From:   Alexei Starovoitov <alexei.starovoitov@...il.com>
To:     Eric Dumazet <eric.dumazet@...il.com>
Cc:     David Ahern <dsahern@...il.com>, brakmo <brakmo@...com>,
        netdev <netdev@...r.kernel.org>, Martin Lau <kafai@...com>,
        Alexei Starovoitov <ast@...com>,
        Daniel Borkmann <daniel@...earbox.net>,
        Kernel Team <Kernel-team@...com>
Subject: Re: [PATCH v2 bpf-next 0/9] bpf: Network Resource Manager (NRM)

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.