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15 lines
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15 lines
1,010 B
Markdown
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This document provides a TLD&R version of https://docs.docker.com/v1.6/articles/networking/.
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If more interested in detailed operational design, please refer to this link.
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## Docker Networking design as of Docker v1.6
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Prior to libnetwork, Docker Networking was handled in both Docker Engine and libcontainer.
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Docker Engine makes use of the Bridge Driver to provide single-host networking solution with the help of linux bridge and IPTables.
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Docker Engine provides simple configurations such as `--link`, `--expose`,... to enable container connectivity within the same host by abstracting away networking configuration completely from the Containers.
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For external connectivity, it relied upon NAT & Port-mapping
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Docker Engine was responsible for providing the configuration for the container's networking stack.
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Libcontainer would then use this information to create the necessary networking devices and move them in to a network namespace.
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This namespace would then be used when the container is started.
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