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Scaling the Number of Network Interfaces on Linux

DISCUSSION Nicolas Dichtel 2 participants 3 messages Feb 10, 2016

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David, Roopa,

to follow your talk at nedev11, I already proposed some times ago a patch to remove sysctl, which was rejected. You can see the thread here:
http://thread.gmane.org/gmane.linux.network/285840

Instead of removing completly the sysctl entries, another idea could be to manage a group of interfaces which will share the same subtree.

Regards,
Nicolas

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Quoted 4 lines · Nicolas Dichtel

to follow your talk at nedev11, I already proposed some times ago a patch to
remove sysctl, which was rejected. You can see the thread here:
http://thread.gmane.org/gmane.linux.network/285840

Thanks for the reference. I'll take a look.

Quoted 3 lines

Instead of removing completly the sysctl entries, another idea could be to manage a group of interfaces which will share the same subtree.

This come out from a side conversation as well -- for example to have interfaces enslaved to a bridge or bond share the same devconf.

This is certainly possible to do and I can give it a look. The key point is that we clearly need a means to lighten the overhead of a network interface.

David

#2 lore raw
Quoted 1 line · David Ahern

On 2/10/16 12:15 PM, Nicolas Dichtel wrote:

[snip]

Quoted 5 lines
Quoted 2 lines

Instead of removing completly the sysctl entries, another idea could be to manage a group of interfaces which will share the same subtree.

This come out from a side conversation as well -- for example to have interfaces enslaved to a bridge or bond share the same devconf.

It could also be interesting to have another way to group interfaces. For example, group all ppp interfaces.

Quoted 3 lines

This is certainly possible to do and I can give it a look. The key point is that we clearly need a means to lighten the overhead of a network interface.

Yes, I agree.