What is the primary benefit of using Ethernet over SONET/SDH?

The primary benefit of using Ethernet over SONET/SDH is its cost efficiency due to reduced complexity. Ethernet technology is designed to be simpler and easier to implement compared to SONET/SDH, which involves more intricate protocols for data transmission. This simplicity translates into lower operational and capital expenses, making Ethernet an attractive option for many network operators.

Ethernet's architecture is inherently less complicated, allowing for quicker deployments and lower maintenance costs. Additionally, it leverages existing infrastructure and is compatible with various networking devices, reducing the need for specialized equipment widely used in SONET/SDH networks.

While other factors like bandwidth, latency, and security are important considerations, the cost efficiency stemming from reduced complexity is a significant driving force behind the adoption of Ethernet in many scenarios. This makes it preferable for organizations looking to optimize spending while still meeting their network requirements.