2. Conventions and Definitions

Questa sezione conserva il testo RFC per DHCPv4 over DHCPv6 with Relay Agent support, inclusi relay behavior, topology-discovery diagrams, deployment notes, security considerations e IANA status.

2.  Conventions and Definitions

   The following terms and abbreviations are used in this document:

   DHCP:
      Refers to DHCPv4 and/or DHCPv6 if not otherwise specified.

   DHCP Relay Agent:
      Refers to a common concept in all of the following protocols,
      although the details differ between them: the Bootstrap Protocol
      (BOOTP) [RFC0951] [RFC1542], DHCPv4 [RFC2131] [RFC2132], and
      DHCPv6 [RFC9915].

   DHCPv4:
      Refers to DHCP as defined in [RFC2131].

   DHCPv4 over DHCPv6 (DHCP 4o6):
      Refers to the architecture, the procedures, and the protocols
      specified in the DHCPv4-over-DHCPv6 document [RFC7341].

   DHCPv4-over-DHCPv6 Relay Agent (4o6RA):
      Refers to a Relay Agent that implements the DHCP 4o6 transport as
      specified in this document.

   Layer 3 Relay Agent (L3RA):
      Refers to a DHCP Relay Agent as specified in [RFC9915] that is not
      a LDRA.

   Lightweight DHCPv6 Relay Agent (LDRA):
      Refers to an extension of the original DHCPv6 Relay Agent
      specification, to allow Layer 2 (L2) only devices to perform a
      Relay Agent function [RFC6221].

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
   "OPTIONAL" in this document are to be interpreted as described in
   BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all
   capitals, as shown here.