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Apple added priority support IPv6 in iOS 9 and OS X El Capitan

It’s no secret that the Internet company, and all the representatives of the corporate sector, faced with the expected, but still very painful problem: the pool of available IP addresses is exhausted. As a result companies will have to change the routers and other network equipment.

That the stock of either IPv4 addresses are not infinite, specialized media said a few years ago. But clarified that reasons for panic no, but gradually introduces more advanced IPv6, where the number of free addresses trillions. Problems will be only for those users that would not come in time for the new standard equipment, is able to assign a new IP standard.

As Securitylab reports, Apple has added priority support sixth version of the IP Protocol in beta in iOS 9 and OS X El Capitan. Currently IPv6 is already being used in thousands of networks around the world, however, has not yet been as widespread as IPv4.

According to the engineer Department Apple CoreOS David Sinisi, final releases new platforms will include a reconfigured version of the sorting algorithm of Happy Eyeballs, allowing simultaneous connection attempts directly via IPv4 and IPv6. Simultaneous connection attempts to consume a little much bandwidth and double the number of connection attempts to the server.

The specialist noted that the preference in the latest beta versions of iOS 9 and OS X, El Capitan is now given to IPv6 connections. If in iOS 8 and Yosemite percentage of traffic IPv4/IPv6 were equal (50/50), iOS 9 and OS X El Capitan, the proportion of IPv6 connections will be approximately 99%. First, the algorithm uses the domain name system DNS to check for available remote IPv6 host. Since the idea is to increase the prevalence of IPv6 traffic, the algorithm will no longer accept the first response received from DNS. Instead, the developers have provided a 25 millisecond delay in the case, if the first response is received from the IPv4 addresses.

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If beta testing iOS 9 and OS X El Capitan is successful, IPv6 support will be implemented in future Apple products.

Earlier it was reported that limiting the number of addresses in the framework introduced in the eighties IPv4 is 3,706,650,000. ICANN oversees the allocation of addresses in different States, and indeed each country at the disposal of a much less free IP. Part of the problem was solved by combining multiple devices under one IP, as it happens while connected to the Internet via a Wi-Fi router.

As a result, the transition to IPv6 is inevitable. In addition to an impressive stock of addresses (340 trillion), it also allows for enhanced network security, simplify the management of access rights and better “friends” with the mobile Internet.

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