By Adeel Ahmed
An crucial reference for deploying IPv6 in broadband networks
With the exponential development of the web and extending variety of finish clients, carrier services are more and more trying to find how one can extend their networks to fulfill the scalability specifications of the turning out to be variety of Internet-ready home equipment or "always-on" units. This publication bridges a niche within the literature via offering insurance of web Protocol model 6 (IPv6), particularly in broadband entry networks. The authors, who're Cisco qualified Internetworking specialists (CCIE), supply accomplished and quality insurance of:
IPv6 drivers in broadband networks
IPv6 deployment in Cable, DSL, ETTH, and instant networks
Configuring and troubleshooting IPv6 gateway routers and host
Configuring and troubleshooting IPv6 part routers
Configuring and troubleshooting IPv6 provisioning servers
The authors additionally talk about demanding situations confronted via provider services and the way IPv6 addresses those matters. also, the e-book is complemented with examples all through to extra facilitate readers' comprehension and a true large-scale IPv6 BB SP case examine is gifted. Deploying IPv6 in Broadband entry Networks is key analyzing for community operators, community layout engineers and specialists, community architects, and participants of the networking neighborhood.
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Additional resources for Deploying IPv6 in Broadband Access Networks
Here a stateful DHCPv6 option could be used when no provisioning server is used, but rather, all the preﬁx information is maintained on the ER by using the DUID to keep track of the preﬁxes assigned to each GWR, a less preferred and unscalable option. 2 DNS Renumbering requires changes in the DNS entries and the introduction of new IPv6 DNS records. Renumbering an entire site also requires that all the routers be renumbered. Stateless autoconﬁguration does not address the issue of ﬁnding the DNS server for DNS resolution (stateless DHCP does) or registering the computer in the DNS space—dynamic DNS is an option.
If a duplicate address is detected for a link-local address that is being derived by using EUI-64 format, IPv6 operation should be disabled on this interface. The network administrator needs to resolve the IPv6 address conﬂict and enable this interface manually. The host performs a DAD check for each address (link-local, global unicast, unique-local) that it tries to assigns itself. DAD is also used by routers before they assign an IPv6 address to their interfaces. 16 for DAD operation. 12 analyzes a typical topology of access broadband networks, with an NSP provisioning system, NSP edge router (ER), customer premises gateway router (GWR), and a host connected to the GWR.
This chapter focused on concepts of special interest to network engineers and architects involved in designing and deploying IPv6 in access broadband networks. We also provided the reader with several references for further exploration and to obtain speciﬁc details about the IPv6 and related protocols. REFERENCES 1. S. Asadullah and A. Ahmed, ‘‘IPv6 in Broadband,’’ Cisco Systems, Inc. Packet Magazine, Fourth Quarter 2004. 2. S. Asadullah, A. Ahmed, C. Popoviciu, P. Savola, and J. Palet, ‘‘ISP IPv6 Deployment Scenarios in Broadband Access Networks,’’ RFC4779, January 2007.