M-Lab tests are designed to protect your privacy by measuring only synthetic traffic (“fake” traffic generated by a test solely for the purpose of measurement) between your device and an M-Lab server. Will these tests monitor my private Internet activity, like email messages or, browsing and search history?Ībsolutely not. Specific information on what type of data is collected by each M-Lab test and how it can be accessed is available on our tests page. Metadata varies by experiment and client but may include the name and version of the web browser software, software application, or operating system used to conduct the test. Metadata: Descriptive information about the user’s environment to support analysis of measurement data.Connection Data: Information necessary to characterize performance data including the Internet Protocol (IP) address of the client that conducted the measurement and the date and time of the test.Measurement Data: Performance variables describing the state of connection during the test, such as average download and upload speed latency and topology of the path between the client and server and, whether the application or protocol is manipulated or discriminated against in transit.Information collected under our Acceptable Use Policy includes: Since all data collected through experiments is released publicly, M-Lab’s Acceptable Use Policy requires the submission of only specific technical Internet measurements and prohibits the collection of sensitive personal information, such as physical location or web browser history. What data will be collected when I run a test? To read about all of the tests available on the platform, please visit our tests page. The most commonly run test is the Network Diagnostic Tool (NDT), which provides measurements like upload speed, download speed, and other data points that help to measure speed and quality issues on your connection. Right now, people can use M-Lab tests to measure their broadband speed, analyze application performance, and run diagnostics. M-Lab’s Tests and Data What measurement tests can I run? Whenever there is a substantial change to our sites, such as renumbering of IP addresses, we retire the pod, retain its naming and metadata in our systems, and treat the pod as brand new. Once an M-Lab pod is online we make no changes in our systems for the life of each pod. You can view where M-Lab servers are hosted on our platform status page. In major metro areas, M-Lab strives to maintain multiple pods, each connected to as many distinct transit providers as possible. M-Lab hosts our servers, which we call “pods”, in Tier 1 data-centers, connected to the internet with links between 1-10 Gbps. The graphic below illustrates the relationship between tests run by consumers and M-Lab’s data collection. The data are collected and then released to the public for use by policymakers, researchers, and others who are interested in Internet issues. (Open source refers to source code that is made available for free so that anyone can use or modify it to fit their own purposes.) M-Lab provides internet measurement tests that help consumers develop an accurate picture of their Internet service by offering a state-of-the-art server platform that supports many measurement needs. Measurement Lab (M-Lab) is the largest open source Internet measurement effort in the world.
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