# GCP Data Transfer Optimization | Cloud Efficiency Hub Canonical: https://www.pointfive.co/efficiency-hub/cloud-services/gcp-data-transfer 1 documented GCP Data Transfer cost inefficiency, with how to detect it and how to fix it. [Cloud Efficiency Hub](https://www.pointfive.co/efficiency-hub) 1 documented GCP Data Transfer cost inefficiency, with how to detect it and how to fix it. ## 1 inefficiency [All services](https://www.pointfive.co/efficiency-hub#browse-by-service) - GCP Data Transfer CER-0496 ### [Excessive Cross-Zone Data Transfer Between Compute Engine and GKE Workloads](https://www.pointfive.co/efficiency-hub/inefficiencies/excessive-cross-zone-data-transfer-between-compute-engine-and-gke-workloads) Traffic between VMs in the same zone over internal IP addresses is free, but VM-to-VM traffic between different zones of the same region is billed per GiB, charged to the project of the sending VM. The same pricing applies to GKE nodes,... Networking ## More GCP services - [GCP Compute Engine 14](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-compute-engine) - [GCP BigQuery 9](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-bigquery) - [GCP GKE 9](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-gke) - [GCP Cloud SQL 8](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-cloud-sql) - [GCP GCS 6](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-gcs) - [GCP Cloud Logging 5](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-cloud-logging) - [GCP Vertex AI 5](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-vertex-ai) - [GCP Dataflow 4](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-dataflow) - [GCP Cloud Run 3](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-cloud-run) - [GCP Cloud Memorystore 2](https://www.pointfive.co/efficiency-hub/cloud-services/gcp-cloud-memorystore) --- Source: the public page above. Product screenshots and illustrative interfaces are examples, not live customer data.