All dynamic routing protocols are built around an algorithm. Generally, an algorithm is a step-by-step procedure for solving a problem. A routing algorithm must, at a minimum, specify the following:

A procedure for passing reachability information about networks to other routers
A procedure for receiving reachability information [...]

There are several transition technologiesmeans of helping to transition a network from IPv4 to IPv6 or otherwise help IPv4 and IPv6 to coexistthat require an IPv4 address to be communicated within an IPv6 address. The individual technology specifies how the IPv4 address is to be embedded in the IPv6 address, and the implementation of the [...]