Which WAN connectivity technology is optimal for edge computing compared to others and why?

4G/5G connectivity is the best fit among the choices for edge-computing use cases because it can place network access close to users and endpoints while providing high bandwidth and low latency relative to many traditional WAN options. Edge computing is valuable when application processing, storage, or content delivery is moved closer to the point of consumption. Mobile broadband and 5G designs can support rapid deployment, local breakout, and low-latency access for distributed sites, sensors, and mobile users. MPLS Layer 3 VPN services provide predictable private WAN separation and mature QoS, but they are generally tied to provider POPs and data center-oriented connectivity rather than the closest edge location. DWDM is high-bandwidth optical transport but is primarily a metro or data center interconnect technology, not a flexible edge access service. Metro Ethernet can be strong in metropolitan areas but does not offer the broad mobile edge characteristics of 4G/5G. Reference topics: edge computing, 4G/5G WAN, low-latency access, distributed applications, WAN technology selection.