Nokia 4A0-220 Exam - Topic 4 Question 8 Discussion

GMPLS is a protocol suite that extends the MPLS signaling and routing capabilities to control different types of switching technologies, such as optical, TDM, and packet switching1. GMPLS has several key features, such as self-discovery, fast protection, and restoration.Self-discovery allows GMPLS nodes to automatically discover their neighbors and exchange information about their capabilities and resources2.Fast protection enables GMPLS nodes to quickly switch to backup paths in case of a failure, without relying on the control plane3.Restoration allows GMPLS nodes to dynamically establish new paths in the network after a failure, using the control plane3. Resource optimization is not a key feature of GMPLS, but rather a potential benefit of using GMPLS to efficiently utilize the network resources and avoid over-provisioning.Reference:

1: Nokia GMPLS-controlled Optical Networks Course | Nokia

2: GMPLS - Nokia

3: Traffic survivability through Protection and Restoration Combined (PRC) - YouTube

[4]: GMPLS: Architecture and Applications - Google Books