Download Voice Over IPv6: Architectures for Next Generation VoIP by Daniel Minoli PDF

By Daniel Minoli

IPv6 (Internet Protocol model 6) is the way forward for net telephony. And this ebook is your advisor to that destiny. IPv6 is the alternative for the at the moment used IPv4 (Internet Protocol model 4). IPv6 will supply elevated IP addresses (full 128-bit addresses, in comparison to the 32-bit addresses of IPv4), superior safeguard, and bigger robustness. it's going to even be totally "backwards appropriate" with latest IPv4 structures. those services will eventually make net telephony a doable competitor to traditional switched cell networks. during this ebook, Dan Minoli truly explains IPv6 and the way cellphone networks could be outfitted on its foundations. this isn't simply one other IPv6 ebook; as a substitute, it specializes in these elements of IPv6 appropriate to web telephony structures and voice networks. Minoli makes use of a compare/contrast process, exploring the place IPv6 is the same to IPv4 and the place it differs, to allow you to fast take hold of the essence of IPv6 and the similarities (and changes) among present IPv4-based platforms and IPv6-based structures. if you happen to can be designing, enforcing, or preserving the subsequent iteration of net telephony platforms, then you definately want the knowledge during this publication! *Explains the basic strategies of IPv6 and the way they relate to net telephony *Describes how net telephony platforms utilizing IPv6 are diversified from, and higher than, net telephony platforms according to the older IPv4 ordinary *Discusses tips to transition present IPv4 net telephony platforms and standard switched platforms to IPv6-based structures *Extensive therapy of safeguard concerns, together with IP layer encryption and authentication equipment *Explains connection thoughts, together with "plug and play" techniques, for gear utilized in IPv6 platforms * the 1st identify describing how the following new release web protocol-IPv6-can be used for web telephony * Explains IPv6 because it applies to web telephony (VoIP) * exhibits how IPv6 offers greater safeguard, QoS, and sign integrity in web telephony

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Additional resources for Voice Over IPv6: Architectures for Next Generation VoIP Networks

Sample text

There have also been technological obstacles to the success of IPv6. While basic IPv6 standards have been available for some time, the standardization process has not been smooth in some key areas, since several important issues, such as DHCPv6 or Mobile IPv6, have taken a considerable amount of time to resolve. There have also been some changes made to the core specification in recent years, such as the deprecation of site-local addresses, or updates to the programming interfaces. There are also some problems to which we are only now beginning to find solutions, such as multihoming in IPv6, or what security model to be deployed.

Local addresses include “link-local” and “site-local” addresses. Local Area Network Segment Link portion that consists of an only medium limited by bridges or layer 2 switches. Local Interface Internal interface that allows a node to send packets to itself. Local Loop Address IPv6::1 address, assigned to local interface. indb 36 3/9/2006 6:29:51 PM Introduction This Appendix for Chapter 1 provides a basic glossary of IPv6 terms and concepts that are loosely based on references [IPV200501] and [MSD200401].

Also, there are a host of security issues including firewalling, NAT-ing, and proxying. In addition to the NAT/security/endto-end seamlessness problems, one has to deal with the lack of true internetworking between suppliers, forcing a firm or organization to buy all the equipment from a single vendor, thereby institutionalizing the long-existing enslavement of the telephone handset to the Private Branch Exchange (PBX) node. Additionally, one has do deal with the relatively high handset costs, typically ranging from $400–$1000 depending on features—even the softphone (which are enslaved to the VoIP elements because of vendor-proprietary signaling or signaling extensions) can be relatively expensive typically ranging from $200–$350.

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