An enterprise DevOps team is conducting a FinOps review to optimize network egress spend across multiple Google Cloud workloads without compromising technical constraints. They have identified two distinct services: Workload 1: A latency-insensitive batch data export system that transfers high volumes of data to external partner endpoints on the internet from a single region (us-central1). Workload 2: A mission-critical, globally distributed web application that requires a 99.99% uptime Service Level Agreement (SLA), integration with Cloud CDN, and multi-region backend load balancing behind a single public Anycast IP address. Which Network Service Tier configuration should the DevOps team implement to achieve the lowest overall egress cost while satisfying all technical and architectural requirements?

Assign Standard Tier with regional external IP addresses to Workload 1, and configure Premium Tier with global external IP addresses for Workload 2.: What Network Service Tiers Are Network Service Tiers in Google Cloud allow organizations to optimize their network connectivity and cost by choosing between Premium Tier and Standard Tier. Premium Tier routes inbound and outbound traffic through Google's high-speed, private global fiber backbone to and from points of presence (PoPs) closest to the end user. Standard Tier delivers outbound traffic through public transit, peering, and regular ISP networks directly from edge PoPs near the originating Google Cloud region. How It Meets Workload Requirements Workload 1 (Batch Data Export): Standard Tier provides cost-effective outbound data transfer pricing compared to Premium Tier. Because the data transfer originates in a single region and is latency-insensitive, using regional external IPv4 addresses on Standard Tier allows traffic to be handed off to local transit/peering networks, significantly cutting egress costs without impacting the pipeline's functionality. Workload 2 (Global Web App): Premium Tier provides a 99.99% network uptime SLA, support for global external Anycast IP addresses, multi-region load balancing with Global external Application Load Balancers, and native integration with Cloud CDN. Key Advantages and Capabilities Granular Tier Control: Network tiers can be configured per resource (e.g., individual forwarding rules, VM instances, or project defaults). Cost Efficiency: Standard Tier reduces outbound data transfer charges for latency-tolerant and region-bound egress. Global Backbone Performance: Premium Tier minimizes packet loss and latency by carrying global traffic across Google's private network across 200+ edge PoPs. Service Interoperability: Advanced features such as Cloud CDN and global external load balancers operate strictly on Premium Tier. Why This Is Optimal This architecture precisely aligns infrastructure spending with workload sensitivity. It maximizes financial savings on high-volume batch transfers using Standard Tier while preserving high availability, CDN caching, and Anycast routing for global end users on Premium Tier.