What is the difference between running the selenium standalone server and hub/node setup -



What is the difference between running the selenium standalone server and hub/node setup -

i started selnium stand lone server setup

java -jar selenium-server-standalone-2.32.0.jar

which allowed me connect , run tests, multiple browsers running @ time.

what difference when utilize next set-up, hub...

java -jar selenium-server-standalone-2.42.2.jar -role hub

and attached node...

java -jar .\selenium-server-standalone-2.42.2.jar -role node -hub http://localhost:4444/grid/register

which seemed work same.

is hub/node set-up best alternative purely configuration flexibility?

hub/node setup gives flexibility run tests on different machines , different environment. may want run test in different browsers or different version of browsers ex on ie 6 10. in such cases can setup multiple nodes different versions of ie. while on single machine cant have multiple versions of ie. grid can run multiple tests in parallel across different nodes. if script doesn't demand such environments or parallel execution can utilize single machine.

selenium selenium-grid

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