PoS Overview
Introduction
Packet over SONET/SDH (PoS) is a layer 2 technology use for packet forwarding over SONET or SDH.
PoS Overview
- SONET/SDH was originally developed for TDM voice circuits.
- PoS provides the same advantages such as alarm processing, performance monitoring, synchronization and protection switching.
- PoS interfaces can be:
- Concatenated: ?????
- Non-concatenated: ?????