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TCP TAKING CONFERENCE PICTURES

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ANDREALEOPARDI.COM @WHATYOUHIDE

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@ITALIANCOMMENTS ITALIANS MAD AT FOOD

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OUTLINE

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BEAM FIT SERVERS CLIENTS

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WHY IS THE BEAM SUCH A GREAT FIT?

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THE BEAM THE PEOPLE AND

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PROCESS = PERSON

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CONCURRENCY

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MEMORY

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MEMORY AND THOUGHTS ARE IMMUTABLE

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COMMUNICATION

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HOW DO HUMANS SHARE INFORMATION?

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SPEECH!

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TALK = COPY INFORMATION

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MESSAGE PASSING

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SPEAKING IS ASYNC, LISTENING IS SYNC

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NETWORKS

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SERVERS

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TCP

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SSL

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:gen_tcp

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{:ok, listen_socket} = :gen_tcp.listen(4000, [])

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{:ok, listen_socket} = :gen_tcp.listen(4000, []) {:ok, socket} = :gen_tcp.accept(listen_socket)

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DynamicSupervisor

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CLIENTS

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RECONNECTIONS

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POOLING

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WHEN TO RECONNECT?

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BACKOFF!

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THUNDERING HERD

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MULTIPLEXING

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IDENTIFYING REQUESTS

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HANDLING OFFLINE

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CONCLUSION

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LET IT CRASH? ...NO

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* "IT'S ABOUT THE GUARANTEES", FRED HEBERT * "PERSISTENT CONNECTIONS WITH GEN_STATEM", ME * THOUSAND ISLAND LIBRARY * "COMPUTER NETWORKS", A.TANENBAUM * "PROTOHACKERS IN ELIXIR" YOUTUBE SERIES

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@WHATYOUHIDE THANK YOU!