About the design of the network layer in iOS app

In iOS development, it is common to request network data and to process the obtained data, but there is very little information about what layer of network processing should be placed in MVC.

I have Google on the internet a few, noted a few feel more good links. It is now recorded as follows:

Http://stackoverflow.com/questions/4810289/best-architecture-for-an-ios-application-that-makes-many-network-requests?lq=1

This answer provides a practical design

http://akosma.com/2011/09/20/a-proposed-architecture-for-network-bound-ios-apps/

This is where the concrete implementation is discussed.

http://stackoverflow.com/questions/24162051/ Best-architectural-approaches-for-building-ios-networking-applications-rest-cli

There's a couple of design methods in there.

About the design of the network layer in iOS app