Below is a breakdown of bandwidth prices and network latencies on **[Google Compute Engine](https://cloud.google.com/compute/)** between virtual machines in the same zone, different zones, and different regions. All VM's used for testing were of instance type `f1-micro` *(1 vCPU, 0.6 GB memory)* and used internal IP addresses. ## GCE Bandwidth Prices

Traffic type	Price (per GB)
Ingress	Free
Egress inner-zone	Free
Egress cross-zone in the same region	$0.01
Egress cross-region within the US	$0.01

**Note:** If VM's span regions not within the US, bandwidth costs are significantly higher and billed at standard GCE [Internet Egress rates](https://cloud.google.com/vpc/network-pricing#internet_egress). ## GCE Network Latencies

From zone	To zone	Type	Average ping rtt (latency)
us-west1-a (Oregon)	us-west1-a (Oregon)	inner-zone	0.37 ms
us-west1-a (Oregon)	us-west1-b (Oregon)	cross-zone	0.53 ms
us-west1-a (Oregon)	us-central1-a (Iowa)	cross-region	34 ms
us-west1-a (Oregon)	us-east1-b (South Carolina)	cross-region	67 ms

Below are the full `ping` results of each test as well for completeness. **us-west1-a to us-west1-a (inner-zone)** ```shell PING 10.138.0.2 (10.138.0.2) 56(84) bytes of data. 64 bytes from 10.138.0.2: icmp_seq=1 ttl=64 time=1.16 ms 64 bytes from 10.138.0.2: icmp_seq=2 ttl=64 time=0.298 ms 64 bytes from 10.138.0.2: icmp_seq=3 ttl=64 time=0.313 ms 64 bytes from 10.138.0.2: icmp_seq=4 ttl=64 time=0.307 ms 64 bytes from 10.138.0.2: icmp_seq=5 ttl=64 time=0.298 ms 64 bytes from 10.138.0.2: icmp_seq=6 ttl=64 time=0.312 ms 64 bytes from 10.138.0.2: icmp_seq=7 ttl=64 time=0.438 ms 64 bytes from 10.138.0.2: icmp_seq=8 ttl=64 time=0.272 ms 64 bytes from 10.138.0.2: icmp_seq=9 ttl=64 time=0.262 ms 64 bytes from 10.138.0.2: icmp_seq=10 ttl=64 time=0.294 ms 64 bytes from 10.138.0.2: icmp_seq=11 ttl=64 time=0.269 ms 64 bytes from 10.138.0.2: icmp_seq=12 ttl=64 time=0.285 ms 64 bytes from 10.138.0.2: icmp_seq=13 ttl=64 time=0.313 ms ^C --- 10.138.0.2 ping statistics --- 13 packets transmitted, 13 received, 0% packet loss, time 12000ms rtt min/avg/max/mdev = 0.262/0.371/1.165/0.233 ms ``` **us-west1-a to us-west1-b (cross-zone)** ```shell PING 10.138.0.4 (10.138.0.4) 56(84) bytes of data. 64 bytes from 10.138.0.4: icmp_seq=1 ttl=64 time=1.88 ms 64 bytes from 10.138.0.4: icmp_seq=2 ttl=64 time=0.439 ms 64 bytes from 10.138.0.4: icmp_seq=3 ttl=64 time=0.447 ms 64 bytes from 10.138.0.4: icmp_seq=4 ttl=64 time=0.399 ms 64 bytes from 10.138.0.4: icmp_seq=5 ttl=64 time=0.520 ms 64 bytes from 10.138.0.4: icmp_seq=6 ttl=64 time=0.389 ms 64 bytes from 10.138.0.4: icmp_seq=7 ttl=64 time=0.425 ms 64 bytes from 10.138.0.4: icmp_seq=8 ttl=64 time=0.452 ms 64 bytes from 10.138.0.4: icmp_seq=9 ttl=64 time=0.409 ms 64 bytes from 10.138.0.4: icmp_seq=10 ttl=64 time=0.397 ms 64 bytes from 10.138.0.4: icmp_seq=11 ttl=64 time=0.393 ms 64 bytes from 10.138.0.4: icmp_seq=12 ttl=64 time=0.418 ms 64 bytes from 10.138.0.4: icmp_seq=13 ttl=64 time=0.355 ms ^C --- 10.138.0.4 ping statistics --- 13 packets transmitted, 13 received, 0% packet loss, time 12000ms rtt min/avg/max/mdev = 0.355/0.532/1.880/0.391 ms ``` **us-west1-a to us-central1-a (cross-region)** ```shell PING 10.128.0.2 (10.128.0.2) 56(84) bytes of data. 64 bytes from 10.128.0.2: icmp_seq=1 ttl=64 time=35.0 ms 64 bytes from 10.128.0.2: icmp_seq=2 ttl=64 time=34.0 ms 64 bytes from 10.128.0.2: icmp_seq=3 ttl=64 time=34.1 ms 64 bytes from 10.128.0.2: icmp_seq=4 ttl=64 time=34.0 ms 64 bytes from 10.128.0.2: icmp_seq=5 ttl=64 time=34.0 ms 64 bytes from 10.128.0.2: icmp_seq=6 ttl=64 time=34.0 ms 64 bytes from 10.128.0.2: icmp_seq=7 ttl=64 time=34.0 ms 64 bytes from 10.128.0.2: icmp_seq=8 ttl=64 time=34.1 ms 64 bytes from 10.128.0.2: icmp_seq=9 ttl=64 time=34.0 ms 64 bytes from 10.128.0.2: icmp_seq=10 ttl=64 time=34.1 ms 64 bytes from 10.128.0.2: icmp_seq=11 ttl=64 time=34.0 ms 64 bytes from 10.128.0.2: icmp_seq=12 ttl=64 time=34.1 ms 64 bytes from 10.128.0.2: icmp_seq=13 ttl=64 time=34.0 ms ^C --- 10.128.0.2 ping statistics --- 13 packets transmitted, 13 received, 0% packet loss, time 12002ms rtt min/avg/max/mdev = 34.027/34.158/35.080/0.270 ms ``` **us-west1-a to us-east1-b (cross-region)** ```shell PING 10.142.0.2 (10.142.0.2) 56(84) bytes of data. 64 bytes from 10.142.0.2: icmp_seq=1 ttl=64 time=67.2 ms 64 bytes from 10.142.0.2: icmp_seq=2 ttl=64 time=66.6 ms 64 bytes from 10.142.0.2: icmp_seq=3 ttl=64 time=66.6 ms 64 bytes from 10.142.0.2: icmp_seq=4 ttl=64 time=66.6 ms 64 bytes from 10.142.0.2: icmp_seq=5 ttl=64 time=66.6 ms 64 bytes from 10.142.0.2: icmp_seq=6 ttl=64 time=66.7 ms 64 bytes from 10.142.0.2: icmp_seq=7 ttl=64 time=66.6 ms 64 bytes from 10.142.0.2: icmp_seq=8 ttl=64 time=66.7 ms 64 bytes from 10.142.0.2: icmp_seq=9 ttl=64 time=66.6 ms 64 bytes from 10.142.0.2: icmp_seq=10 ttl=64 time=66.7 ms 64 bytes from 10.142.0.2: icmp_seq=11 ttl=64 time=66.7 ms 64 bytes from 10.142.0.2: icmp_seq=12 ttl=64 time=66.6 ms 64 bytes from 10.142.0.2: icmp_seq=13 ttl=64 time=66.6 ms ^C --- 10.142.0.2 ping statistics --- 13 packets transmitted, 13 received, 0% packet loss, time 12021ms rtt min/avg/max/mdev = 66.631/66.732/67.296/0.389 ms ```

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