| Categorization
of Impairment Parameters |
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| • | Apply
to the network element (NE) as a whole |
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| – | Get
one parameter of each particular type in this |
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| category
per NE |
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| • | Vary
on a per port basis |
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| – | Get
one parameter of each particular type in this |
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| category
per NE port. Not all parameters different so |
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| smart
encoding can save “space”. |
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| • | Vary
based on port to port pairs |
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| – | Get
one parameter of each particular type in this |
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| category
per (ingress port, egress port) pair. Not all |
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| parameters
different so smart encoding can save |
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| “space”. |
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| 75th
IETF – Stockholm, Sweden, July 2009 |
| Page - 4 |