[ColorForth] reinventing the internet?

[Kristopher Johnson <kristopher_d_johnson@xxxxxxxxx>]

UDP can be used for video and networked games because it doesn't matter if a
few packets are lost once in a while--new correct data will show up within a
few milliseconds.  Also, UDP is good for data that is broadcast to multiple
machines on a network, as there is no need for the sender to wait for
acknowledgements.

TCP is generally used for data streams where it is important that every byte
get through in the proper order, or that the sender knows that the data didn't
get through.

Can you give some examples of cases where TCP is being used without good
reason?  I'm sure there are a few, but TCP is not used "everywhere".

-- Kris


--- Jeff Fox <fox@xxxxxxxxxxxxxxxxxxx> wrote:
> Dirk Harms-Merbitz wrote:
> > 
> > IPv6 is simpler then IPv4. It has extension headers.
> 
> I don't understand why UDP can't be used functionally
> for most things that use TCP/IP.  Why is the
> sorting of scrambled packets and complex recovery
> and timeout mechanisms so important everywhere?
> I want to know more.
> 
> I have never focused on the details and don't
> really understand that problem.  I know a little
> about it and have questions.  Can you help me
> understand not why it is complex, but why
> that complexity is required in most internet
> apps but not others.
> 
> If UDP works so well on video for instance, why
> is the more complex protocol required so often
> for things that seem less demanding to me?
> Just because it is a standard that is being
> used on the other end?  There must be some
> valid technical reasons why the simpler one
> isn't used more.  Can you try to educate us
> about that?
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