Review Article
Software-Defined Networks for Optical Networks Using Flexible Orchestration: Advances, Challenges, and Opportunities
Table 7
Gap analysis on physical layer parameters of interest for QoT estimation.
| | Per-channel wavelength | OpenConfig [94] | OpenROADM [91] | Open devices [95] |
| | Per-channel modulation, baud rate | Yes | Yes | Yes | | Total power EDFA input | Yes | Yes | Yes | | EDFA gain | Yes | Yes | Yes | | Per-channel traversed path | Yes | Yes | Yes | | Receiver CD, PMD | Yes | No | No | | Min. acceptable thresholds: OSNR, CD, PMD, min/max power | No | No | No | | Inventory completeness | Low | Medium | Low | | Operational completeness | Very high | High | Medium |
|
|
