Chapter    6

Networking: Connections, Data, and the Cloud

In today’s world of ubiquitous mobile devices and always-on connections to the Internet, the topic of networking is of great importance. On iOS alone, a great quantity of applications make use of the network in one way or the other, whether using built-in systems like iCloud synchronization or GameKit’s communication framework, or by communicating directly with servers over the Internet. Moreover, the expectations of consumers often clashes with the capabilities and limitations of wide-area mobile networks such as EDGE, 3G, and HDPSA+, leaving you, the application programmer, to make the best of a high-latency, low-throughput network channel.

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