On 10.09.2022 14:52, David Lang wrote:
On Sat, 10 Sep 2022, Arınç ÜNAL wrote:
As a start, certain terms have cropped up multiple times in this
discussion. Could I ask for definitions for the following terms?
Here's my understanding.
There is a difference between a physical device that passes bits and the
logical interface that communicates with a network range. A given
physical devices can have multiple logical interfaces on them, and a
logical interface can use multiple physical devices to communicate (i.e.
it's not a 1:1 relationship between logical interfaces and physical
devices.
Agreed. I don't see my writing below contradicting this.
All I talk about is software, there's no physical remarks.
LUCI is inconsistant and sometimes calls physical devices 'interfaces'
and sometimes calls logical interfaces 'interfaces'
I find it nonsensical to bring physical devices into software
definitions. It's not physical device that is being called interface,
it's the driver creating an interface on software by making use of the
physical device.
Be it software feature (vlan, bridging, tunnelling) or a physical device
(a switch, a NIC, a wireless NIC), they're all called network interfaces
on software.
I believe I explained types of network interfaces here in a sensible
fashion:
https://openwrt.org/playground/arinc9/network.interfaces#certain_types_of_network_interfaces
I would have to go back over this thread to give a better definition for
each term, but they are not all names for the same thing as described
below (well, they can be in simple configurations, but much more complex
configurations are possible, and as people start using the power, the
confusion of terms causes problems)
David Lang
Network:
A network represents a group of computers communicating with each other.
Interface:
Short for network interface.
Network Interface:
A network interface is the point of interconnection, implemented on
the software, between computers.
Device:
Another term for network interface, used a lot on Linux kernel
development.
Netdev:
A mailing list for all network-related Linux stuff.
https://docs.kernel.org/process/maintainer-netdev.html#what-is-netdev
Other terms?
I think this is inclusive enough.
Arınç
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Arınç
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