[ih] "how better protocols could solve those problems better"

[Vint Cerf]

would a higher application level check be useful? new options in TCP?
something else?

v


On Wed, Sep 30, 2020 at 7:49 PM Craig Partridge via Internet-history <
internet-history at elists.isoc.org> wrote:

> On Mon, Sep 28, 2020 at 5:31 PM John Gilmore via Internet-history <
> internet-history at elists.isoc.org> wrote:
>
> >
> > Or, perhaps a simpler question, where are the pain points in current
> > protocols, even if no replacements are on the horizon?
> >
>
> That's a great question, so I'll take a crack at part of it.
>
> From where I sit, I'm seeing the current protocols in pain related to Big
> Data.  In particular, I'm seeing two pain points:
>
> * Naming and organizing big data.  We are generating big data in many areas
> faster than we can name it.  And by "name" I don't simply mean giving
> something a filename but creating an environment to find that name,
> including the right metadata, and storing the data in places folks can
> easily retrieve it.  You can probably through archiving into that too (when
> should data with this name be kept or discarded over time?).  What good are
> FTP, SCP, HTTPS, if you can't find or retrieve the data?
>
> * We are reaching the end of the TCP checksum's useful life.  It is a weak
> 16-bit checksum (by weak I mean that, in some cases, errors get past at a
> rate greater than 1 in 2^16) and on big data transfers (gigabytes and
> larger) in some parts of the Internet errors are slipping through.  Beyond
> making data transfer unreliable the errors are exposing weaknesses in our
> secure file transfer protocols, which assume that any transport error is
> due to malice and thus kill connections, without saving data that was
> successfully retrieved -- instead they force a complete new attempt to
> transfer (the need for FTP checkpointing lives!).  The result in some big
> data environments is secure file transfers failing as much as 60% (that's
> not a typo) of the time.
>
> Thanks!
>
> Craig
>
>
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