Smart SFP

The Smart SFP™, is a new class of SFP that integrates intelligent and innovative system functions into an SFP module.

Operations, Administration and Maintenance (OAM) tools are essential for service turn-up and Service. Level Assurance in Carrier Ethernet networks.

Juniper:

https://www.juniper.net/documentation/us/en/software/junos/interfaces-ethernet/topics/topic-map/smart-sfp-configuring-for-psn-networks.html