We know the word had started to spread that we’re developing a networking simulation tool called sim1h (see our Leadership & Org Update 14). Because of this, we wanted to provide an introduction to this new tool for our dev community. We’re really excited about what it can do(..)
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This is due to the fact that it is running as a simulated network in which we can see all the information nodes exchanging, without having to implement special debugging and analytics code.
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Distributed applications don’t usually let anyone see all the information being exchanged on the network, but it is invaluable for our short-term debugging needs.
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Parallel Development
Sim1h also makes it possible to do parallel staging of our network components, enabling us to move beyond the tandem staging framework we’ve been using thus far.Show this thread -
By testing and debugging in sim1h we’re gaining confidence that the individual components of our technology stack are working as expected.



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Holochain Core works well within the boundaries of its tests and in-memory network, as does lib3h within its test suites that try to mock real-world usage. When we put the two together, however, it leads to a lot of complex behaviors that take time to analyze and test.
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Want to read the whole article and find out how to start with sim1h? Click here for the full Dev Pulse vol 50: http://ow.ly/3j6x50wLFhi pic.twitter.com/fRI7oa2k98
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Topics
sim1h and its importance
Getting started with sim1h
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Sim1h is an important addition to our testing tools because it finally lets you deploy a real test network and view all network activity from one machine.