SAI Support optical transport device - proposed by sonic-wg-otn #2216
Description
sonic-wg-otn https://lists.sonicfoundation.dev/g/sonic-wg-otn/wiki has been working on extending SONiC to support Optical Transport device since end of 2022. Now the project is ready to start submitting PRs to upstream repos, including SAI.
On 8/21/2025, sonic-wg-otn had meeting with SAI team, hosted by Tejaswini Chadaga <tchadaga@...>. All participators agreed on extending SAI to support optical transport devices, using SAI experimental extension mechanism. PRs will be submitted against this issue.
For the background and scope of planned SAI changes, please refer to https://github.com/sonic-otn/SONiC/blob/master/doc/otn/sai_otn_proposal.md.