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From: | Eric Noulard |
Subject: | Re: [certi-dev] Network traffic |
Date: | Fri, 29 May 2015 13:55:57 +0200 |
Thank you, Eric!As I understood, every message (e.g. TCP) from a machine A to B will be sent before to a machine C (RTIG) to be redirected. Am I right?
Best,Alisson Brito, Dr.Professor Adjunto IIILaboratório de Sistemas Embarcados e Robótica (LaSER) - www.laser.ci.ufpb.brVice-Coordenador do Programa de Pós-Graduação em Informática (PPGI) - www.ppgi.di.ufpb.br2015-05-29 8:22 GMT-03:00 Eric Noulard <address@hidden>:2015-05-29 11:40 GMT+02:00 Alisson Brito <address@hidden>:Dears
Where could I read about the network traffic generated by Certi (UDP, TCP)?
You could read that:
http://download.savannah.gnu.org/releases/certi/papers/CERTI-GenMsg-presentation-6june2011.pdf
and have an overview of CERTI message based communication archietcture.
and may be that
http://download.savannah.gnu.org/releases/certi/papers/Pancik2010_Thesis.pdfYou'll see that for each HLA services a bunch of messages are exchange between Federate and RTIA process(over a Unix Socket on Unix and a TCP socket on Windows) and between RTIA and RTIG through a TCP socket.If "Reliable" transport is required then you get TCP connectionif "Best effort" transport is used then you should get UDP connection, however AFAIK not so many users uses UDPand the level of testing of UDP usage is currently low.Also, how could I configure a Federation for only have at a time transmission from machine A to B, where A and B are any machines from the Federation?
Currently you can't do that.Every RTIA attached to each federate willl connect to a single RTIG (this the CRC of CERTI architecture).So if RTIG is running of machine A then every federate will connect to A from whereever they are.What you want is some hierarchical communication arch. and/or some kind of proxy/redirection.The only workaround I can imagine is to:- run RTIG on machine A- run a proxy server on machine Bmake all federate use proxy connection B to A.for using proxy.EricBest regards,
Alisson Brito, Dr.
Professor Adjunto III
Vice-Coordenador do Programa de Pós-Graduação em Informática (PPGI) - www.ppgi.di.ufpb.br
Centro de Informática (CI) - www.ci.ufpb.br
Universidade Federal da Paraiba (UFPB) - www.ufpb.br
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