Optical Transport Network (OTN)
G.709, commonly called Optical Transport Network (OTN) or digital wrapper, is a next-generation, industry-standard protocol providing an efficient and globally-acceptable way to multiplex services onto optical light paths. The enhanced multiplexing capability of OTN allows different traffic types—including Ethernet, storage, digital video, as well as SONET/SDH—to be carried over a single Optical Transport Unit (OTU) frame, either OTU-1 at 2.7 Gb/s, OTU-2 at 10.7 Gb/s or OTU-3 at 43 Gb/s.
In addition to multiplexing services, OTN adapts to ever-changing customer requirements and provides more effective optical network management. Since the protocol allows for full performance-monitoring of all the multi-service traffic mentioned above, it is ideal for carrying 10 Gigabit Ethernet and offers operators an excellent model to manage performance and troubleshoot Ethernet Services.
Because OTN is a fully-transparent protocol, adapting existing services is simple. OTN leaves current OSS/BSS solutions intact, utilizes all available tools and automation, and requires little to no retraining. OTN’s cost-effectiveness, ease of implementation and relative lack of complexity provides companies with a straightforward, painless solution to evolving network needs.
Online Seminar: G.709 OTN - Service Adaptation at the Optical layer
