What is the difference between HUB and NODE?

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what are the difference between hub and node in selenium?
Jan 14 in Selenium by Anjali
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1 answer to this question.

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Hub:-

It is the central point where you load your test cases

There is only one hub in a grid

It is launched only on one machine

Node:-

It is a selenium instance that will execute the tests

One or more node in a grid

Can be launched on multiple machine with different platform and browser.
answered Jan 14 by saksham

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