IPv6 Adressklammer

• IA = Identity Association (RFC8415)
• An Identity Association (IA) is a construct through which a server and a client can identify, group, and manage a set of related IPv6 addresses or delegated prefixes
• a collection of leases assigned to a client
• A client must associate at least one distinct IA with each of its network interfaces for which it is to request the assignment of IPv6 addresses from a DHCP server. The client uses the IAs assigned to an interface to obtain configuration information from a server for that interface. Each such IA must be associated with exactly one interface.
• Each IA holds one type of lease; currently three are defined:
• IA_TA holds temporary addresses and
• IA_NA holds non-temporary addresses
• IA_PD holds delegated prefixes (RFC 8415)
• Each IA has a unique identifier: The IAID

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