This sounds excellent. Glad to have your help as a co-author. I note
that application compatibility is an aspect I had failed to list below,
but is surely important.
Tom
On 07/03/2014 10:35 AM, Edwin Cordeiro wrote:
Hi Tom,
I would like to assist on that. I'm finishing writing my Master Degree
Thesis comparing DS-Lite, 464XLAT, MAP-E and MAP-T performance. I got of
one CGN + encapsulation (DS-Lite), one CGN + dual translation (464XLAT),
one A+P + encapsulation (MAP-E) and one A+P + dual translation (MAP-T).
At the moment I have collected performance (throughput, jitter, latency,
packet loss and overhead) and user experience (Internet access, Torrent,
Skype etc).
I used a small scale network with ISC's DS-Lite implementation and
CERNET's MAP-E and MAP-T implementation. For the 464XLAT I had to use
Tayga, as the current solution being used at T-Mobile is Android only
and Tayga was the only way I found to implement 464XLAT without using
Android and allowing me to have the same network for all the tests.
I was already planning to write a summary of my results as a draft when
I had finished everything. Your proposed scope is larger than mine as
you are proposing to analyze more techniques and do planning /
management considerations, but I believe I can assist you.
Edwin Cordeiro
Em 06/03/14 17:36, Tom Taylor escreveu:
Comments and additions are invited. If there is no enthusiasm for the
project I'll drop the subject.
Scope
-----
This would cover the various Softwires 4 across 6 approaches: DS-Lite
(with GI DS-Lite a special case), MAP-E, LW4o6, MAP-T, 4rd.
Method
------
In summary, the analysis would proceed using two or three basic
scenarios. The operation of each approach within each scenario would
be analyzed by walking through how it would work for various aspects.
All approaches would be evaluated against the same set of aspects
(more details below). This preliminary analysis would be completed for
all approaches before any conclusions are drawn.
Going forward, differences between the different approaches would be
identified. These would form the core of the I-D in its finished form.
The text reflecting the initial analysis would be discarded if it
wasn't interesting or moved to appendices if it was.
Scenarios
---------
At a minimum, we should use two scenarios: an established fixed
broadband network, and an established LTE network. Suggestions
welcome here if this list should be expanded or the scenarios
described more elaborately.
Aspects of the Walk-Through
---------------------------
I see the following aspects as a preliminary list. Again, comments are
invited.
Numbering Plans
- IPv4
- IPv6
Routing
Operations
- bringing a border router into service
- adding a subscriber
- moving a subscriber
- logging
- lawful surveillance
Scalability
- growth in number of subscribers
- growth in traffic
Fault Management
- resilience to network failures
- traceability of subscriber issues
Network Attachment
Data Plane Issues
- fragmentation
- multicast
- check sums
QoS
- delay
- jitter
Tom Taylor
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_______________________________________________
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https://www.ietf.org/mailman/listinfo/softwires
_______________________________________________
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[email protected]
https://www.ietf.org/mailman/listinfo/softwires
