1. Awk Script For Throughput In Ns2 Wireless
2. Awk Script For Through Put In Ns2

Awk scripts for analysis of trace files in ns2 awk scripts for analysis of trace files in ns2 Packet delivery ratio awk script BEGIN { sendLine = 0. Throughput Note: Change packet size as per mentioned in your tcl script awk script BEGIN { recvdSize = 0. Aug 10, 2018  Awk file forHandover delay in 802.11 in ns2. Handoff delay in 802.11 am using two parameters to take my handoff decision.my performance metrics are delay and throughput. I don't know where to start from I read dat if am using Ns2 I must install Ubuntu I HV don't that I even have d ns2 now on my computer.please what am I.

• What is the syntax to count the throughput from.tr and.awk file in NS2? I am trying to calculate throughput,delay and packet loss.
• AWK Scripts for ns2 This is one of the important in ns2 as we are going to analyse the performance metrics of the network In this session, we are going to se.

In ns-2 trace files for wireless nodes, I want to calculate throughput for some nodes at once. How to make if condition for specific nodes? The problem is because of '_' between node number. It is very time consuming if I check node one by one because of thousands number of nodes. Here the example of trace files :

My awk code :

But it doesn't work

1 Answer

You appear to be doing something like:

from the fil2.awk in a paper titled 'ns-2 for the impatient'.

Though you want to match on different fields, and match on a range of nodes, I'm going to assume you want output similar to:

from the same paper where sec[i] is the second and throughput[i] here would be like your sums for each second's worth of packet sizes.

The sec array from that snippet is storing packet sums for rounded seconds (rounding provided by int()) which means you don't need a start_ or end_.

Since you want to compare multiple nodes, _ can be added to FS to make comparisons easier. Here's a version of your script modified to produce an output over seconds for the nodes you want to compare binned by seconds:

Notice that the sta tests are numeric now instead of string comparisons. If I put that into an executable awk file called awko and run as awko data against your data I get:

as the output.

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My senario in NS 2.29 has 5 nodes which each node has 2 interfaces to expect node 0 and node 4 and node 0 wants to send packet to node 4. The protocol I've used is AODV and type of nodes is wireless

I want to calculate

receive packet / send packet

and also throughput in different simulation time and I want to do all with AWK language.

I dont know how to share output file to undrestand what I said.

output file :

..

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to be continue

Can anybody explain how can I do this?Any answer will be very helpfull.Thanks

1 Answer

Let's say you have the following two data lines which consist of a timestamp and a number of bytes sent during the time interval ending with that timestamp:

This snippet would calculate the throughput during the time interval between the two events:

add similar blocks for received data. You can use arrays to track node to node communication separately if needed.

Issues to be addressed:

• Do you want to output throughput for each interval? Probably not. Is it good enough to use the first and last event only? Do you want to do some sort of moving calculation taking some number of events or larger segements of time?
• Are there different types of events that need to be accounted separately?
• Is there data to be ignored or used in setup?

It looks to me that the more natural choice for processing NS2 data might be TCL since it appears to be used within the package and there may be APIs that you can take advantage of. However, AWK is perfectly suited for processing tabular data.

Awk Script For Throughput In Ns2 Wireless

Awk Script For Through Put In Ns2

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