Which architecture supports both 1 Gbps and 10 Gbps data rates in the upstream?

The architecture that supports both 1 Gbps and 10 Gbps data rates in the upstream is 10G-EPON. This technology is an evolution of Ethernet Passive Optical Network (EPON) and is designed to enhance network capacity and performance. 10G-EPON achieves this by enabling multiple data rates, including 1 Gbps and 10 Gbps, allowing network providers to offer flexible service options that can meet varying customer demands.

10G-EPON is part of a series of advances in fiber optic networking, allowing for higher bandwidths which are crucial for applications requiring significant data transfer capabilities, such as high-definition video streaming and cloud services. By supporting both 1 Gbps and 10 Gbps, it allows for easier upgrades and a smoother transition for users as their needs evolve over time.

In contrast, other architectures such as GPON, XG-PON1, and EPON may not provide the same flexibility or capabilities in terms of supporting these specific data rates efficiently. For instance, GPON typically operates at lower speeds and is not designed to handle 10 Gbps upstream. Understanding these specifications helps clarify why 10G-EPON is the suitable choice for scenarios requiring support for both data rates.