Federico, Please give a look to http://forge.fi-ware.eu/plugins/mediawiki/wiki/fiware/index.php/FIWARE.Epic.Stream-oriented.ManagementMonitoring I extended Monitoring to Manage and Monitor and included the Sw Defined Netw approache in there. Denis -----Original Message----- From: Federico M. Facca [mailto:federico.facca at create-net.org] Sent: mercredi 25 juillet 2012 15:05 To: Mischler Denis Subject: Streaming GE Dear Denis, I am not bringing this to the discussion in the call, since I was not involved so far and it would be rather awkward to step-in directly. Regarding the support to QoS of the streaming, it may be worth to mention Software Defined Networks approaches (e.g. OpenFlow). It is true that this is not yet a reality in backbones (btw Geant is already working on it), but this applies in many cases also to more basic functionalities we assume to rely on today (telcos have old equipments and they are not always eager to invest on replacing them), for example, when you send a multi-cast packet, in some point moving from a network to another you need specific routing devices supporting the handover of the multi-cast between the two networks; if the second network does not support it (which often happens), basically it is converted the streaming unicast for that network... not very efficient for sure :) So it may be worth to understand what SDN approaches may overcome in this respect. Please feel free to do whatever you feel with this comment :) Best, Federico -- Dr. Federico M. Facca CREATE-NET Via alla Cascata 56/D 38123 Povo Trento (Italy) T +39 0461 408400 (1669) F +39 0461 421157 E federico.facca at create-net.org W www.create-net.org
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