Re: Checksum at IP layer - is it even needed ?

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On 16 December 2015 at 14:26, Alexey Eromenko <al4321@xxxxxxxxx> wrote:

> But if so, making a stronger layer 4 checksum can also solve this problem.
> i.e. TCP with CRC32 or CRC64, instead of loosy 16-bit checksum.
>
> It will solve the "core router" and the "important Ethernet switch"
> mangling problem.

How? Core router wouldn't verify L4. Or is the proposal it should? So when
we introduce new L4, we need to update all L3 devices? Sounds like an
expensive layer violation.

-- 
  ++ytti




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