[WIP]Network unification

[githublaohu]

Fixes #.

Motivation

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Explain why you want to make the changes and what problem you're trying to solve.

Modifications

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Documentation

• Does this pull request introduce a new feature? (yes / no)
• If yes, how is the feature documented? (not applicable / docs / JavaDocs / not documented)
• If a feature is not applicable for documentation, explain why?
• If a feature is not documented yet in this PR, please create a followup issue for adding the documentation

[qqeasonchen]

@githublaohu please create some issues for this

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