The Couchbase Sync Gateway 2.8 release introduces support for enterprise-grade cloud-to-edge data synchronization, enhancing the scalability, security, and efficiency of data replication between cloud and edge data centers in distributed cloud environments. This inter-Sync Gateway replication technology is particularly beneficial for Edge Computing applications, which require high availability, real-time responses, and compliance with data privacy regulations while handling large data volumes. Use cases span various industries, such as retail, travel, hospitality, healthcare, and IoT, all benefiting from the architecture's ability to ensure uninterrupted service and efficient data processing even during internet outages. The system employs features like encrypted data transfer, custom conflict resolution, automatic load balancing, and hierarchical topology support to maintain secure and efficient synchronization. The new protocol, which replaces the older SG-Replicate system, leverages websockets for improved scalability and performance, while offering a flexible configuration and monitoring options, including integration with Prometheus and Grafana for visualization. With this release, Couchbase offers a comprehensive solution for managing cloud-to-edge data synchronization, encouraging users to explore its capabilities through documentation and community support.