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On Sat, 28 Aug 2010, Tomasz Chmielewski wrote:
> On 28.08.2010 00:46, Joseph Mack NA3T wrote:
>> On Fri, 27 Aug 2010, Tomasz Chmielewski wrote:
>>
>>> I would like to set up LVS to provide maximum possible throughput for
>>> _incoming_ FTP traffic (up to 20 Gb/s).
>>>
>>>
>>> With only outgoing traffic, the setup would be easy: just set up
>>> everything in DR mode, and any outgoing traffic would go directly to the
>>> internet.
>>
>> a common misconception with tcpip is that its throughput is
>> measured in bps. It's a packet delivery system and the rate
>> of delivery of packets is independant of the packet size.
>> Each 1500byte data packet has to be ACK'ed, so the speed is
>> going to be the same whether you're uploading or
>> downloading
>
> Not with DR (when you have i.e. 10 Gbit link, 1 Gbit realservers and 1
> Gbit directors).
Are you saying that packets going over two links of
different speed, will pass faster in one direction than in
the reverse direction?
Joe
--
Joseph Mack NA3T EME(B,D), FM05lw North Carolina
jmack (at) wm7d (dot) net - azimuthal equidistant map
generator at http://www.wm7d.net/azproj.shtml
Homepage http://www.austintek.com/ It's GNU/Linux!
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