Скачать или смотреть Tutorial #2 : Enhanced Selenium Grid in Selenium 4 | Latest Version of Selenium | TestingLPoint

Tutorial #2 : Enhanced Selenium Grid in Selenium 4 | Latest Version of Selenium | TestingLPoint

This Architecture process is new in Selenium 4. But this is little bit similar to Selenium 2. Selenium 4 and Selenium 2 have the same process, but Selenium 4 separated this process as in Selenium 2 Hub classifies the Router, Distributor and Session Map.


Initially a message request should be raised by a computer. After sending request will come to router and ping to Grid.
 After it pings to Grid a new session request will transfer to Distributor. This session request should contain a list of current nodes.
After receiving a session request consist of list of nodes, it is the responsible of Distributor to select the node to be running in the system.
When the Distributor selected a node to run the testcase then a session will start with that node. After Session start the responsibility will come to node. Session Map will map the session Id to the Node.
Once session start it is a node’s responsibility to respond back to the Distributor with the session app URL and returns the control for use.

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