By Adeel Ahmed
An crucial reference for deploying IPv6 in broadband networks
With the exponential progress of the web and lengthening variety of finish clients, carrier prone are more and more searching for how one can extend their networks to fulfill the scalability specifications of the starting to be variety of Internet-ready home equipment or "always-on" units. This ebook bridges a niche within the literature by means of offering assurance of net Protocol model 6 (IPv6), particularly in broadband entry networks. The authors, who're Cisco qualified Internetworking specialists (CCIE), supply entire and fine assurance 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 facet routers
Configuring and troubleshooting IPv6 provisioning servers
The authors additionally talk about demanding situations confronted by means of provider services and the way IPv6 addresses those concerns. also, the e-book is complemented with examples all through to extra facilitate readers' comprehension and a true large-scale IPv6 BB SP case learn is gifted. Deploying IPv6 in Broadband entry Networks is vital interpreting for community operators, community layout engineers and specialists, community architects, and contributors of the networking neighborhood.
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Extra info for Deploying IPv6 in Broadband Access Networks
In IPv4 this was achieved by conﬁguring DNS and the portmapping features of NAT, which resulted in other operational complexities. IPv4 does not offer any methodology for assigning multiple addresses automatically to remote sites. There are two dominant methodologies for address assignment in IPv4: point-to-point protocol (PPP) and DHCPv4. Due to the lack of IPv4 addresses, the Internet protocol control protocol (IPCP) was not required to carry and assign multiple addresses, and DHCPv4 was never built or enhanced to provide multiple addresses to remote sites.
IPv6 also has a loopback address concept, 0:0:0:0:0:0:0:1. This loopback address could be compressed and represented as ::1. IPv6 also has an unspeciﬁed address, concept which is used as a placeholder when no address is available, such as during the duplicate address detection (DAD) process. The unspeciﬁed address is represented by 0:0:0:0:0:0:0:0, which could be compressed and represented as a double colon (::). Mapped and Compatible Addresses The IPv4 mapped and compatible addresses are formed by using the 32-bit IPv4 address and making it look like a 128-bit hexadecimal IPv6 address.
For instance, 2000::/3 is reserved for IPv6 global unicast addresses, and FF00::/8 is reserved for IPv6 multicast addresses. For a complete list of currently allocated IPv6 addresses and ranges, refer to the IANA speciﬁcations. 4 ICMPv6 Internet control message protocol (ICMP) in IPv6 (RFC2463) functions the same as ICMP in IPv4 (RFC792) and has the same message types and codes, with minor differences. ICMPv6 (ICMP for IPv6) generates messages, such as ICMP destination unreachable, ICMP echo request, and ICMP echo reply messages.