Messages in this thread | | | Date | Sat, 23 Oct 1999 20:20:20 -0400 | From | "Michael H. Warfield" <> | Subject | Re: RFC: fragmentation code experiment |
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On Sat, Oct 23, 1999 at 05:59:28PM -0600, Todd wrote: > On Sun, 24 Oct 1999, Alan Cox wrote:
> > > 2) modern networks almost never produce out-of-order fragments for packets > > > that are eventually accepted (this is a premise--needs to be tested).
> > NFS produces zillions of them
> UDP only currently, right? How does NFS product out-of-order fragments on > local networks on a regular basis? Is this all NFS implementations, or > just linux.
> > > 3) workstations and server that do no fragment reassembly or at least no > > > out-of-order fragment reassembly would have simpler (and > > > better-performing) network code. > > > > Nope, its not on the fast path > > But the code would still be simpler, no? > > > > 4) if fragment reassembly (out-of-order or not) needs to be done, it > > > should be done by border routers (where people are increasingly willing to > > > do computationally intensive stuff like filter and reassemble fragments). > > > > We support this for internet stuff. However most fragmented packets are > > local > > This is the part i could use some help understanding. As i understand it, > fragmentation only happens at routing when two links have different MTUs. > Is this covered by what you mean by 'local'? > > todd > todd@unm.edu > > > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.rutgers.edu > Please read the FAQ at http://www.tux.org/lkml/
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