KM3Net Project

mmendez@sevensols.comemilio@sevensols.com

KM3Net Project

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28th KM3Net meeting

Broadcast source code.Pause Frame. Tx Pause Frame. Rx Pause Frame. Pause Frame code repository.

Documentation.

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Broadcast Source code

The customized SW for KM3net demonstrator is already in the repository.

• There is a Manual to start playing with it easily.

• Scripts to compile the code and configure the switch.

• Waiting for feedback from KM3net community

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Pause Frame.The entire pause frame is finished.

The TX is done.

The Rx is done (almost). • The mechanism has been tested.• A couple of minor suggestions from Peter are going to be

done. They will be finished before the end of the week.

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Pause Frame.Tx Pause frame at the on-shore station.

1- DOM 1 is sending too much traffic.2- The pause frame is triggered by the Rx port of the WRS1.3- The pause frame arrives at all the DOMs but just DOM1 will accept the request. The PF uses unicast address.

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Pause Frame.Rx Pause frame at the on-shore station

1- The BC Switch is sending to much traffic through the SC link.2- A DOM reception buffer exceeds the threshold . A pause frame is transmitted to the on-shore station.3- The PF arrives at the BC switch which halts the whole BC link for a limited period.

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Pause Frame.

Where is the Pause Frame code? It will be available before the end of the week at Valencia SVN

repository.

The gateware of the Broadcast and Level 1 switches will be

available inside the PF folder.

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Technical Documentation.

KM3Net_boardcast.pdf -> Details how the KM3Net WR works.

KM3Net_PauseFrame.pdf -> Details how the pause frame works and how can be configured.

KM3Net_demonstrator.pdf -> Details the setup and configuration to deploy a KM3Net demonstrator and to test it.

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7S tasks for KM3NetKM3Net topology requires: Gateware/Firmware modifications:

• Broadcast implementation (TX to DOMs) .• Pause frame protocol.

KM3Net demonstrator 3 network levels: o 2 SPECs as DOMs o 3 WR switches as ShoreStation network

This is our last signed task, so that we wait for your feedback and validation to upload and close the system.

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QUESTIONS ?

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