Kernel latency for handling the Network traffic

[Abu Rasheda]

On Thu, May 3, 2012 at 6:54 AM,
<michi1 at michaelblizek.twilightparadox.com> wrote:
> Hi!
>
> On 16:33 Thu 03 May     , Suresh Kumar Subramanian wrote:
>> Hi,
>>
>> I am building the router based on linux kernel.
>>
>> The hardware details are below,
>> 2 - 64 bit quad core processor (3Ghz core).
>> RAM-  24GB RAM.
>> PCI express slot- connected with Quad Port 100Mbps Ethernet adapter -2. (so total 8 ethernet interfaces)
>>
>>
>> I just want to calculate the maximum traffic the  router can handle..?.
>>
>> The maximum traffic could be, also 8  ports(100Mbps) * 2 directions = 1600Mbps.
>>
>> Can this system(kernel + hardware) handle this much traffic. (Assume the best case)?
>
> Yes, it can. I have seen a benchmark which basically said that a single quad
> core cpu with ~3GHz was enough for about 4 links with 10 *gigabit* each.

What is the packet size ?