sequential (56) Common network or Switch Network

 https://kamchihau.blogspot.com/2022/09/blog-post.html

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Ref: https://wodewangzhishime.blogspot.com/2022/06/httpswodewangzhishime_10.html .

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The Ip of SIM Card A is 101.011.1122.

The IP of SIM Card B is 100.000.2211

John: Now, we look at the picture above. The IP A is in the network of France and the IP B is in the network of Germany.

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Me: Then, in this case, they can'tcommunities  each others. 

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John: Correct. In order to communicate with each other, those Ip's address must put themselves on a "common" network.  That mean,  a 3rd party's network. 

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Me: At the same time, thise Ip's Cache must put themselves on the common network too.

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John: After that, they share the same line of parallel in out and they use the same modulator.

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Me: In this case,  there's no master and slave.  They share the communication cost.