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wiki:wiki3:network_delays
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| Both sides previous revision Previous revision Next revision | Previous revision Next revision Both sides next revision | ||
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wiki:wiki3:network_delays [2021/06/02 09:56] hch [Behavior] |
wiki:wiki3:network_delays [2023/05/10 15:02] mse |
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| Line 46: | Line 46: | ||
| </code> | </code> | ||
| - | with: | + | with: |
| * ''T0'': packet transmission date by gateway. | * ''T0'': packet transmission date by gateway. | ||
| Line 64: | Line 64: | ||
| Example | | Example | | ||
| - | Inputs: | + | Inputs: |
| * Delay up: ''350ms'' (configured). | * Delay up: ''350ms'' (configured). | ||
| Line 73: | Line 73: | ||
| * Packet received at ''10:00:00.196'' by LNS (''now''). | * Packet received at ''10:00:00.196'' by LNS (''now''). | ||
| - | Computation: | + | Computation: |
| * ''T0lns'' assumed is ''09:59:59.846'' by LNS (''now'' minus 350ms ''Ndu''). | * ''T0lns'' assumed is ''09:59:59.846'' by LNS (''now'' minus 350ms ''Ndu''). | ||
| Line 82: | Line 82: | ||
| * ''Ttx'' is ''T0lns'' + 2000 - 350 = ''10:00:01.496'' (time at which the LNS sends the TX message) | * ''Ttx'' is ''T0lns'' + 2000 - 350 = ''10:00:01.496'' (time at which the LNS sends the TX message) | ||
| - | Behavior: | + | Behavior: |
| * The LNS sends the packet at ''10:00:01.496'' (''Ttx''). | * The LNS sends the packet at ''10:00:01.496'' (''Ttx''). | ||
| Line 96: | Line 96: | ||
| * The LNS will keep the TX messages for as long as possible, and send them at the last moment. This is by design, to allow less load on the packet forwarders. Indeed, if the TX messages were sent as soon as possible, the gateways might get a lot of TX messages queued, which would be problematic on embedded devices. | * The LNS will keep the TX messages for as long as possible, and send them at the last moment. This is by design, to allow less load on the packet forwarders. Indeed, if the TX messages were sent as soon as possible, the gateways might get a lot of TX messages queued, which would be problematic on embedded devices. | ||
| ++++ | ++++ | ||
| + | |||
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| ===== Actual behaviors ===== | ===== Actual behaviors ===== | ||
wiki/wiki3/network_delays.txt · Last modified: 2023/05/10 15:05 by mse
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