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Preparation for the v11 WG draft (#104)
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Added decimal-18 data type: fix #103
Added clarification text for the spectrum occupied by an OTSi

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Co-Authored-By: sergio belotti <[email protected]>
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italobusi and sergiobelotti authored Jul 25, 2024
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239 changes: 102 additions & 137 deletions draft-ietf-ccamp-rfc9093-bis.md
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Expand Up @@ -264,180 +264,145 @@ Please replace XXXX with the RFC number assigned to this document and remove thi
networks. The "ietf-layer0-types" module contains the following YANG
reusable YANG data types, identities and groupings:

l0-grid-type:
l0-grid-type:
: A base YANG identity for the grid type as defined in {{!RFC6205}} and {{!RFC7699}}.

> A base YANG identity for the grid type as defined in {{!RFC6205}} and
{{!RFC7699}}.
cwdm-ch-spc-type:
: A base YANG identity for the Coarse Wavelength Division
Multiplexing (CWDM) channel-spacing type as defined in {{!RFC6205}}.

cwdm-ch-spc-type:
dwdm-ch-spc-type:
: A base YANG identity for the DWDM channel-spacing type as defined
in {{!RFC6205}}.

> A base YANG identity for the Coarse Wavelength Division
Multiplexing (CWDM) channel-spacing type as defined in {{!RFC6205}}.
flexi-ncfg-type:
: A base YANG identity for the DWDM flexi-grid Nominal Central Frequency Granularity (NCFG)
type as defined in {{!RFC7699}}.

dwdm-ch-spc-type:
> Note that the only value for NCFG standardized in {{ITU-T_G.694.1}} is 6.25GHz.

> A base YANG identity for the DWDM channel-spacing type as defined
in {{!RFC6205}}.
flexi-slot-width-granularity:
: A base YANG identity for the DWDM flexi-grid Slot Width Granularity (SWG) type, as defined in {{!RFC7699}}.
: Note that the only value for SWG standardized in {{ITU-T_G.694.1}} is 12.5GHz.

flexi-ncfg-type:
fec-type:
: A base YANG identity from which specific FEC (Forward Error Correction) type identities are derived.

> A base YANG identity for the DWDM flexi-grid Nominal Central Frequency Granularity (NCFG)
type as defined in {{!RFC7699}}.
line-coding:
: A base YANG identity from which specific identities defining the bit rate/line coding of optical tributary signals are derived.

> Note that the only value for NCFG standardized in {{ITU-T_G.694.1}} is 6.25GHz.

flexi-slot-width-granularity:

> A base YANG identity for the DWDM flexi-grid Slot Width Granularity (SWG) type, as defined in {{!RFC7699}}.

> Note that the only value for SWG standardized in {{ITU-T_G.694.1}} is 12.5GHz.

fec-type:

> A base YANG identity from which specific FEC (Forward Error Correction) type identities are derived.

line-coding:

> A base YANG identity from which specific identities defining the bit rate/line coding of optical tributary signals are derived.

wavelength-assignment:

> A base YANG identity from which for Wavelength selection method, as defined in {{!RFC7689}}.
wavelength-assignment:
: A base YANG identity from which for Wavelength selection method, as defined in {{!RFC7689}}.

otu-type:

> This specifies the type of OTU, including the types specified in {{ITU-T_G.709}}.

> Since {{ITU-T_G.Sup43}} does not guarantee interoperability in the data plane, the type of OTUk defined in {{ITU-T_G.Sup43}} can be defined in vendor-specific YANG modules using the otu-type identity, defined in this document, as the base.
: This specifies the type of OTU, including the types specified in {{ITU-T_G.709}}.
: Since {{ITU-T_G.Sup43}} does not guarantee interoperability in the data plane, the type of OTUk defined in {{ITU-T_G.Sup43}} can be defined in vendor-specific YANG modules using the otu-type identity, defined in this document, as the base.

operational-mode:

> A YANG data type used to identify an organization (e.g., vendor) specific mode for transceiver capability description, as defined in Section 2.5.2 of {{!I-D.ietf-ccamp-optical-impairment-topology-yang}}


wson-label-start-end:

> The WSON label range was defined in {{!RFC6205}}, and the generic
topology model defines the label-start/label-end in {{!RFC8795}}.
This grouping shows the WSON-specific label-start and label-end
information. See {{label-range}} for more details.

wson-label-hop:

> The WSON label range was defined in {{!RFC6205}}, and the generic
topology model defines the label-hop in {{!RFC8795}}. This grouping
shows the WSON-specific label-hop information. See {{label-range}} for more details.

l0-label-range-info:

> A YANG grouping that defines the Layer 0 label range information
applicable for WSON as defined in {{!RFC6205}}. The label range info is defined per priority {{!RFC4203}}. This grouping is
used in the flexi-grid DWDM by adding more flexi-grid-specific
parameters. See {{label-range}} for more details.

wson-label-step:

> A YANG grouping that defines label steps for WSON as defined in
{{!I-D.ietf-teas-rfc8776-update}}. See {{label-range}} for more details.

flexi-grid-label-start-end:

> The flexi-grid label range was defined in {{!RFC7699}}, and the
generic topology model defines the label-start/label-end in
{{!RFC8795}}. This grouping shows the flexi-grid-specific label-
start and label-end information which is used to describe the range of available nominal central frequencies. See {{label-range}} for more details.

> As described in section 3.1 of {{!RFC8363}}, the range of available nominal central frequencies are advertised for m=1, which means that for an available central frequency n, the frequency slot from central frequency n-1 to central frequency n+1 is available.

flexi-grid-label-hop:

> The flexi-grid label range was defined in {{!RFC8363}}, and the
generic topology model defines the label-hop in {{!RFC8795}}. This
grouping shows the WSON-specific label-hop information. See {{label-range}} for more details.

flexi-grid-label-range-info:

> A YANG grouping that defines flexi-grid label range information as
defined in {{!RFC8363}}. See {{label-range}} for more details. See {{label-range}} for more details.

flexi-grid-label-step:

> A YANG grouping that defines flexi-grid label steps as defined in
{{!I-D.ietf-teas-rfc8776-update}}. See {{label-range}} for more details.

wdm-label-start-end:

> A YANG grouping that combines the definition of label-start/label-end information
that was defined separately in wson-label-start-end and flexi-grid-label-start-end,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.

wdm-label-hop:

> A YANG grouping that combines the definition of label hop information
that was defined separately in wson-label-hop and flexi-grid-label-hop,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.

wdm-label-range-info:

> A YANG grouping that combines the definition of label range information
that was defined separately in wson-label-range-info and flexi-grid-label-range-info,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.

wdm-label-step:

> A YANG grouping that combines the definition of label step information
defined separately in wson-label-step and flexi-grid-label-step,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.
: A YANG data type used to identify an organization (e.g., vendor) specific mode for transceiver capability description, as defined in Section 2.5.2 of {{!I-D.ietf-ccamp-optical-impairment-topology-yang}}

wson-label-start-end:
: The WSON label range was defined in {{!RFC6205}}, and the generic
topology model defines the label-start/label-end in {{!RFC8795}}.
This grouping shows the WSON-specific label-start and label-end
information. See {{label-range}} for more details.

wson-label-hop:
: The WSON label range was defined in {{!RFC6205}}, and the generic
topology model defines the label-hop in {{!RFC8795}}. This grouping
shows the WSON-specific label-hop information. See {{label-range}} for more details.

l0-label-range-info:
: A YANG grouping that defines the Layer 0 label range information
applicable for WSON as defined in {{!RFC6205}}. The label range info is defined per priority {{!RFC4203}}.
: This grouping is used in the flexi-grid DWDM by adding more flexi-grid-specific
parameters. See {{label-range}} for more details.

wson-label-step:
: A YANG grouping that defines label steps for WSON as defined in
{{!I-D.ietf-teas-rfc8776-update}}. See {{label-range}} for more details.

flexi-grid-label-start-end:
: The flexi-grid label range was defined in {{!RFC7699}}, and the
generic topology model defines the label-start/label-end in
{{!RFC8795}}.
: This grouping shows the flexi-grid-specific label-
start and label-end information which is used to describe the range of available nominal central frequencies. See {{label-range}} for more details.
: As described in section 3.1 of {{!RFC8363}}, the range of available nominal central frequencies are advertised for m=1, which means that for an available central frequency n, the frequency slot from central frequency n-1 to central frequency n+1 is available.

flexi-grid-label-hop:
: The flexi-grid label range was defined in {{!RFC8363}}, and the
generic topology model defines the label-hop in {{!RFC8795}}.
: This grouping shows the WSON-specific label-hop information. See {{label-range}} for more details.

flexi-grid-label-range-info:
: A YANG grouping that defines flexi-grid label range information as
defined in {{!RFC8363}}. See {{label-range}} for more details. See {{label-range}} for more details.

flexi-grid-label-step:
: A YANG grouping that defines flexi-grid label steps as defined in
{{!I-D.ietf-teas-rfc8776-update}}. See {{label-range}} for more details.

wdm-label-start-end:
: A YANG grouping that combines the definition of label-start/label-end information
that was defined separately in wson-label-start-end and flexi-grid-label-start-end,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.

wdm-label-hop:
: A YANG grouping that combines the definition of label hop information
that was defined separately in wson-label-hop and flexi-grid-label-hop,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.

wdm-label-range-info:
: A YANG grouping that combines the definition of label range information
that was defined separately in wson-label-range-info and flexi-grid-label-range-info,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.

wdm-label-step:
: A YANG grouping that combines the definition of label step information
defined separately in wson-label-step and flexi-grid-label-step,
to support optical network scenarios that contain both fixed- and flexi-grid
links. See {{label-range}} for more details.

transceiver-capabilities:

> A YANG grouping to define the transceiver capabilities (also called
: A YANG grouping to define the transceiver capabilities (also called
"modes") needed to determine optical signal compatibility.

standard-mode:

> A YANG grouping for the standard modes defined in {{ITU-T_G.698.2}}.
: A YANG grouping for the standard modes defined in {{ITU-T_G.698.2}}.

organizational-mode:

> A YANG grouping to define transponder operational mode supported by
: A YANG grouping to define transponder operational mode supported by
organizations or vendors, as defined in {{!I-D.ietf-ccamp-optical-impairment-topology-yang}}.

common-explicit-mode:

> A YANG grouping to define the list of attributes related to optical
explicit-mode:
: A YANG grouping to define the list of attributes related to optical
impairments limits in case of transceiver explicit mode, as defined in {{!I-D.ietf-ccamp-optical-impairment-topology-yang}}.
: Note that the the actual portion of the spectrum occupied by an OTSi is not explicitly reported within the explicit-mode parameters because it can be calculated using the available-baud-rate, the roll-off and the min-carrier-spacing attributes.

transmitter-tuning-range:

> A YANG grouping that defines the transmitter tuning range, which
: A YANG grouping that defines the transmitter tuning range, which
includes the minimum and maximum tuning frequency, as well as the
frequency tuning steps.

common-organizational-explicit-mode:

> A YANG grouping to define the common capabilities attributes limit
: A YANG grouping to define the common capabilities attributes limit
range in case of operational mode and explicit mode.

modulation:

> A base YANG identity to define the different modulation types, as defined in {{ITU-T_G.Sup39}}
: A base YANG identity to define the different modulation types, as defined in {{ITU-T_G.Sup39}}

snr:

> A YANG data type used to represent an (Optical) Signal to Noise Ratio measured over 0.1 nm resolution bandwidth, as defined in {{ITU-T_G.977.1}}
: A YANG data type used to represent an (Optical) Signal to Noise Ratio measured over 0.1 nm resolution bandwidth, as defined in {{ITU-T_G.977.1}}

psd:

> A YANG data type used to represent a Power Spectral Density (PSD), as defined in {{ITU-T_G.9700}}
: A YANG data type used to represent a Power Spectral Density (PSD), as defined in {{ITU-T_G.9700}}

penalty-value:

> A YANG grouping to define the penalty value for multiple penalty types, such as Chromatic Dispersion (CD), Polarization Mode Dispersion (PMD), as defined in {{ITU-T_G.666}} or Polarization Dependent Loss(PDL)
: A YANG grouping to define the penalty value for multiple penalty types, such as Chromatic Dispersion (CD), Polarization Mode Dispersion (PMD), as defined in {{ITU-T_G.666}} or Polarization Dependent Loss(PDL)

## WDM Label and Label Range {#label-range}

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