[ndnSIM] how to get the transmission delay
shock.jiang at gmail.com
Thu May 9 09:03:32 PDT 2013
Thank you Alex. But what does propagation delay include?
Xiaoke Jiang （蒋小可）
Dept. of Computer Science and Technology,
Tsinghua University, P. R. China
On May 10, 2013, at 12:02 AM, Alex Afanasyev <alexander.afanasyev at ucla.edu> wrote:
> Hi Xiaoke,
> The delays that are observed by app-delay-tracer include everything you mentioned (queuing delay, propagation delay, which is related to packet size), except processing delay. This exception comes from the fact that in NS-3 unless you specifically simulate processing delay (which requires additional models), each function call, no matter how complex, is running in zero simulation time.
> On May 9, 2013, at 8:53 AM, Xiaoke Jiang <shock.jiang at gmail.com> wrote:
>> What's more, I am not sure whether the delay includes the router processing time, such as creating PIT entry, Content Store look up , etc.
>> My Regards,
>> Xiaoke Jiang （蒋小可）
>> Ph.D Candidate,
>> Dept. of Computer Science and Technology,
>> Tsinghua University, P. R. China
>> On May 9, 2013, at 11:33 PM, Xiaoke Jiang <shock.jiang at gmail.com> wrote:
>>> Hi all,
>>> I am trying to get the transmission delay with app tracer. But I am not sure what's concluded in the delay. For example, Queuing time on the router, transmitting time on the wire, etc.
>>> Can anyone give me any hints? Thank you in advance.
>>> in my file:
>>> Config::SetDefault ("ns3::PointToPointNetDevice::DataRate", StringValue ("10Mbps"));
>>> Config::SetDefault ("ns3::PointToPointChannel::Delay", StringValue ("1ms"));
>>> And is the delay related to packet size?
>>> My Regards,
>>> Xiaoke Jiang （蒋小可）
>>> Ph.D Candidate,
>>> Dept. of Computer Science and Technology,
>>> Tsinghua University, P. R. China
>> ndnSIM mailing list
>> ndnSIM at lists.cs.ucla.edu
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