[URGENT]: Cal. Buffer Size based on User i/p Bandwidth In 1Gbps 802.3
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[URGENT]: Cal. Buffer Size based on User i/p Bandwidth In 1Gbps 802.3
Mahesh
06-30-2008
Re: [URGENT]: Cal. Buffer Size based on User i/p B ..
Robert Redelmei ..
06-30-2008
Posted by
Mahesh
on June 30, 2008, 1:05 am
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Hi all,
I wanted to calculate UDP send buffer size based on Bandwidth given by
User.
It works like this:
user bandwidth i/p = 300 Mbps
based on above bandwdith i want to calculate buffer size so that i can
achieve that user specified bandwidth.
buffer is filled frame by frame and there by traffic is generated.
This whole is working in Data Link Layer.
i have config: 1Gbps ether Card with dual core pc with 2GB ram.
I am sending UDP traffic to another m/c.
Please let me know how to go about it.
Thanks a lot in advance.
Posted by
Robert Redelmeier
on June 30, 2008, 10:22 pm
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> I wanted to calculate UDP send buffer size based on Bandwidth given by
> User. It works like this: user bandwidth i/p = 300 Mbps
You have left out one very important data item: the nature
of your traffic. Hw often items of what size are generated.
Buffers are no cure-all.
Many PCs cannot exceed ~300 Mbps due to limitations on
te PCI bus.
-- Robert
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