iOS app support Ipv6-only

Source: Internet
Author: User

Recently, Apple issued a statement: Since June 1 this year, all applications submitted to the Apple App Store must be compatible with the latest Internet Protocol--IPV6-ONLY standards for hardware identification and network routing.

So the question is, does the current app support IPv6? , which need to support IPv6?

One: Test whether your app currently supports IPv6 and will not be able to submit to the store after June 1 if not supported

Here's a copy of Wwdc2015 's video about IPv6 https://developer.apple.com/videos/play/wwdc2015/719/

Test by sharing a IPv6 network with your Mac

First your Mac needs to have two network card, I test with MBP, using wired Internet, using WiFi network card to share the network

1. Open System Preferences----hold down the OPTION key------click, share

2. Also hold down the OPTION key----tick the left side of the Internet share----the right source---Select Local Ethernet-----Share port to select WiFi; There is a NAT64 network, options, check on;

Can create a IPv6 network, the test machine to connect to the network, testing the app's communication situation;

Second: Whether the current app needs to support IPv6

Described on Apple's documentation;

That is to say, using the Advanced network programming API provided by Apple, do not need processing; such as: Nsurlsession,cfnetwork,nsurlconnection, WebKit, etc.

But the need to use lower sockets to support IPv6;

And the use of the following interfaces are required

    • inet_addr()

    • inet_aton()

    • inet_lnaof()

    • inet_makeaddr()

    • inet_netof()

    • inet_network()

    • inet_ntoa()

    • inet_ntoa_r()

    • bindresvport()

    • getipv4sourcefilter()

    • setipv4sourcefilter()

Reference: https://developer.apple.com/library/mac/documentation/NetworkingInternetWeb/Conceptual/NetworkingOverview/ understandingandpreparingfortheipv6transition/understandingandpreparingfortheipv6transition.html#//apple_ref/ Doc/uid/tp40010220-ch213-sw1

iOS app support ipv6-only

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