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Stephen Eichler's blog

19

Sep

2011

In order to test if ICMP ID is part of the flow id, scamper was modified
to vary this field as flow id and ICMP seq as packet id. 100 addresses
were run using this program. Once the warts dump output was obtained, a
perl program was used to check for nodes with more than one link.

Papers from the citation lists of some key papers have been studied and
entered in my citation database. I have started reading these, taking
notes and entering key words.

Stephen Eichler

12

Sep

2011

Further analysis of the data from the last scamper run of 100 addresses
was carried out. A program was written to investigate warts data for
paths that diverge from each other and then reconnect at a later point,
excluding the per flow cases that have already been found. Some of these
patterns were found and are likely to represent per destination load
balancing.

The same data was also tested for the presence of per packet load balancing.

The WAND wiki was also updated with further experimental results.

04

Sep

2011

I adapted a scamper driver to collect data for three mda traces, which
were based on probes of packet type TCP, UDP and ICMP. 100 prefixes were
collected from routeviews and used to run these traces.

Next a program was written that counted the traces containing load
balancing, and the results were collected using this procedure.

I collected some more papers to review, based on the citations of some of
my current papers for reading.

22

Aug

2011

This week I read a chapter from each of two text books and started on my
literature review by recording key points from several papers. These
latter are recorded in a bibliography database, as well as a text file
with reference details followed by the key points for each reference.

Some preliminary results were produced from the scamper traces from
Matthew. These where counts of paths containing load balancing for UDP
and ICMP MDA traceroutes.

16

Aug

2011

I am just settling in to my new research program, which is on the topic of upscaling the measurement of black holes in the Internet.

I have launched straight in to analysing some traces collected by Matthew Luckie. This is to determine if all per flow load balancing routers determine path using the same set of fields.

I have also bought a couple of text books for the courses that I am doing informally, and I have started reading the appropriate parts of them.

I am also getting my literature review procedure organised. I want to make notes in my bibtek file, however comments are automatically overwritten by the bibliography program that I use. Further, notes are printed with the references, however these problems were solved by creating a new unknown field name, which is neither discarded nor printed.