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Counter Addition for sdn-features-packet-transforms.md #174

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Counter Addition for sdn-features-packet-transforms.md #174

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Update sdn-features-packet-transforms.md
KrisNey-MSFT Aug 3, 2022
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Update sdn-features-packet-transforms.md
KrisNey-MSFT Aug 3, 2022
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7 changes: 4 additions & 3 deletions documentation/general/design/sdn-features-packet-transforms.md
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Expand Up @@ -326,7 +326,7 @@ Action| VNI |

## Telemetry

## Counters
## Counters - need to ensure the proposed counters are supportable in the P4 behavioral model (DASH pipeline)

Counters are objects for counting data per ENI. The following are their main
characteristics:
Expand Down Expand Up @@ -371,7 +371,7 @@ thinking about how to add Metering- and reconcile this in the P4 model.
| TotalPacket | Total packets to/from a VM. Exposed to customer; 2 counters, 1 per direction | ENI |
| TotalBytes | Total bytes to/from a VM. Exposed to customer; 2 counters, 1 per direction | ENI |
| TotalUnicastPacketForwarded | | ENI |
| TotalMulticastPacketsForwarded | | ENI |
| TotalMulticastPacketsForwarded - check on Multicast | | ENI |
| TcpConnectionsResetHalfTTL | TCP connections that had a TCP reset and its TTL cut down to 5 seconds | ENI |
| NonSynStateful | Non-SYN TCP packets that are natted and not dropped by setting (SLB scenario) | ENI |
| NumberOfFlowResimulated DuringPortTimer | Number of connections updated in an internal port-level update | ENI |
Expand Down Expand Up @@ -435,13 +435,14 @@ thinking about how to add Metering- and reconcile this in the P4 model.
| CreationRateMaxOtherFlow | follow above | ENI |
| No ENI Match | evident | ENI |
| CPS Counters | | ENI & Global |
| Pipeline Counters Ex: per Rule/ACL Match? | | ENI & Global |


**Questions**

- How often will we read?
- What type of API to use?
- Will we push or pull from the Controller?
- Will we push or pull from the Controller? Could be a controller that streams (with a subscription - standard gNMI telemetry) for example.

## BGP

Expand Down