Open AccessOpening up ROADMs: streaming telemetry [Invited]
Author(s) -
Jan Kundrat,
Michal Vasko,
Radek Krejci,
Vaclav Kubernat,
Tomas Pecka,
Ondrej Havlis,
Martin Slapak,
Jaroslav Jedlinsky,
Josef Vojtech
Publication year - 2021
Publication title -
journal of optical communications and networking
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.835
H-Index - 65
eISSN - 1943-0639
pISSN - 1943-0620
DOI - 10.1364/jocn.425167
Subject(s) - communication, networking and broadcast technologies , photonics and electrooptics
We present an implementation of streaming telemetry of optical metrics within open hardware reconfigurable add/drop multiplexers (ROADMs). Our key achievements are sub-second updates of high-resolution spectrum scans, and we demonstrate a sustained telemetry stream of the full C-band with a sub-GHz resolution. The telemetry streaming is implemented over a standard, Internet Engineering Task Force (IETF)-defined protocol (YANG Push) in collaboration with an open-source YANG software stack and device-specific code. As the telemetry collector, we used a common time series database (TSDB) along with a visualization dashboard. We also extended the Open Network Operating System (ONOS) software-defined network (SDN) controller to act as a telemetry receiver.