Ian Greenway said,
> Neil Bothwick was saying..
>> > data arrives at whatever speed the sending server and intervening
>> > connections can handle, it's not possible to prioritise.
> Ah, but when you have a modem connection, there is a massive
> bottleneck in the modem's download speed. Obviously, if the data
> isn't actually coming from the remote server as fast as you'd like its
> just tough luck, but when data *is* available from various sources,
> you can have preference about which one you'd like first. It's just a
> question of whether it's actually possible to do anything about this
> preference.
*You* don't have the choice, you get the data you're sent. Can you
modify your letter box so that cheques come through before bills? No you
can't, they arrive in the order the postman pushes them through, it's
the same principle.
> But then Holger Rabbach said..
>> "maximum bandwidth used" by the tool. It achieves this apparently by
>> simply delaying packet acks in a smart way to keep the server from
> Hm. So if I understand correctly what you are saying, in theory you
> could achieve it like this: Each application could specify a dynamic
> "priority" per connection to the TCP/IP stack. Then the stack could
> send Ack's for connections with a high priority until the incoming
> data flow dropped off because the server for those connection(s)
> wasn't responding quickly enough. It could then send out Ack's for
> lower priority connections, and so on. It wouldn't be quite ideal,
> but it might "encourage" the desired trend for the right packets.
I'd heard about this, and been told it would be a lot of work to
implement on the Amiga. for instance, what would you do about the remote
server giving up after waiting too long for an ACK? I know it can work,
but it's horribly kludgy :(
> Although I still think it would be a good idea. :)
It *is* a good idea, and one that many people have come up with over the
years. The fact that so many people have asked for it and we don't have
it tells us something :(
Neil
--
Neil Bothwick - http://www.wirenet.co.uk icq://16361788
Connected via Wirenet, The UK's first Amiga-only internet access provider
--
User-friendly: (adj.) trivialized, slow, incapable, and boring.
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