Changes to IOC Core - Task Priorities

Currently scan tasks are given tasks priorities:

ioevent high, ioevent med, ioevent low, .1 sec high, .1secmed. .10 sec low, channel acc.

New scheme would allow setting the relative priorities of scan tasks amongst themselves and in relationship with the channel access server.

NOTE: channel access buffering is a side affect of having a lower priority than scanning

Several priorities will be reserved above channel access to continue the current relationship between scan tasks and channel access.

Several priorities will be reserved where the channel access client and the scan tasks can be interleaved to provide more suitable environment for closed-loop control over the network and a more controlled degradation mode.

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Changes to IOC Core - Task Priorities

Currently scan tasks are given tasks priorities:

ioevent high, ioevent med, ioevent low, .1 sec high, .1secmed. .10 sec low, channel acc.

New scheme would allow setting the relative priorities of scan tasks amongst themselves and in relationship with the channel access server.

NOTE: channel access buffering is a side affect of having a lower priority than scanning

Several priorities will be reserved above channel access to continue the current relationship between scan tasks and channel access.

Several priorities will be reserved where the channel access client and the scan tasks can be interleaved to provide more suitable environment for closed-loop control over the network and a more controlled degradation mode.

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