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Cloud Spectator is a cloud computing consulting firm based in Boston, MA. Since 2011, we have measured server performance and provided analyses into pricing and industry competition, helping enterprises make informed cloud purchase decisions. We currently focus on IaaS offerings.
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Network Performance
Below is a summary of three open-source tests we use to gauge performance of the internal network by measuring network performance of 2 cloud servers inside the same virtual private network. Tests are automated to run 4 times a day, 365 days a week. At the beginning of every month, we update our list with the best cloud IaaS performer from the previous 30-day period. We congratulate all providers that make it on our list for their dedication in performance, but we do not endorse any providers.
For a full copy of available CloudSpecs Cloud Benchmark Reports for free, please visit our Industry Reports section.
To gain access to our CloudSpecs Performance portal please visit our Cloud Benchmarks section.
Network Throughput (using iperf): ProfitBricks US
Description
Iperf is a commonly used network testing tool that can create TCP and UDP data streams and measure the throughput of a network that is carrying them. Our test consists of transferring as much data as possible through the local network (where possible, private network IPs were used) for 120 seconds over TCP port 5001.
Iperf tests the quality of the network. Using this test between two cloud servers in the same data center of the same provider, results can be collected on how efficient the internal network speed is, which is important for servers inside the same virtual private network that may be required to transfer data between or among each other quickly and efficiently to effectively run applications.
SCP File Transfer (5GB File): ProfitBricks US
Description
Copy of a 5GB file using Secure Copy (SCP).
Performing a more natural test, the Apache Network HTTP, Nginx Network HTTP, and Network SCP tests all combine the internal network with CPU usage to see how fast servers perform when they have added CPU usage.
Ping between servers: Cloud Provider USA
Description
A ping between Server and Client, using the round-trip time as the value (ie, rtt min/avg/max/mdev = 24.081/24.510/24.939/0.429 ms).
The ping test measures latency, which is an important consideration when hosting multi-server applications.