rfc9894v1.txt		rfc9894.txt
	skipping to change at line 117 ¶		skipping to change at line 117 ¶
	"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and		"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
	"OPTIONAL" in this document are to be interpreted as described in		"OPTIONAL" in this document are to be interpreted as described in
	BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all		BCP 14 [RFC2119] [RFC8174] when, and only when, they appear in all
	capitals, as shown here.		capitals, as shown here.
	2. Extension Usage and Identification		2. Extension Usage and Identification
	The extension defined in this document is composed of the mechanisms		The extension defined in this document is composed of the mechanisms
	and processing defined in [RFC9892] and [RFC9893]. To indicate that		and processing defined in [RFC9892] and [RFC9893]. To indicate that
	the Diffserv Aware Credit Window Extension is to be used, an		the Diffserv Aware Credit Window Extension is to be used, an
	implementation MUST include the Diffserv Aware Credit Window Type		implementation MUST include the Diffserv Aware Credit Window
	Value in the Extensions Supported Data Item (see Section 13.6 of		Extension Type Value in the Extensions Supported Data Item (see
	[RFC8175]). The Extensions Supported Data Item is sent and processed		Section 13.6 of [RFC8175]). The Extensions Supported Data Item is
	according to [RFC8175]. Any implementation that indicates the use of		sent and processed according to [RFC8175]. Any implementation that
	the Diffserv Aware Credit Window Extension MUST support all message		indicates the use of the Diffserv Aware Credit Window Extension MUST
	types, Data Items, the Diffserv Traffic Classification Sub-Data Item,		support all message types, Data Items, the Diffserv Traffic
	and all related processing defined in [RFC9892] and [RFC9893].		Classification Sub-Data Item, and all related processing defined in
			[RFC9892] and [RFC9893].
	The Diffserv Aware Credit Window Extension Type Value is 6. See		The Diffserv Aware Credit Window Extension Type Value is 6. See
	Section 5.		Section 5.
	3. Management Considerations		3. Management Considerations
	This section provides several network management guidelines for		This section provides several network management guidelines for
	implementations supporting the Diffserv Aware Credit Window		implementations supporting the Diffserv Aware Credit Window
	Extension.		Extension.
	If this extension is supported, that support MUST be declared using		If this extension is supported, that support MUST be declared using
	the Extensions Supported Data Item (see Section 13.6 of [RFC8175]).		the Extensions Supported Data Item (see Section 13.6 of [RFC8175]).
	Diffserv Aware Credit Window Extension Data Items MUST NOT be emitted		Diffserv Aware Credit Window Extension Data Items MUST NOT be emitted
	by a DLEP participant unless such support was specified in the		by a DLEP participant unless such support was specified in the
	initialization message received from its peer. The use of the		initialization message received from its peer. The use of the
	extension defined in this document SHOULD be configurable on both		extension defined in this document SHOULD be configurable on both
	modems and routers. That configuration can be implemented using a		modems and routers. That configuration can be implemented using a
	proprietary Command-Line Interface (CLI) or by implementing a YANG		proprietary Command-Line Interface or by implementing a YANG module.
	module. The definition of the YANG module is out of scope for this		The definition of the YANG module is out of scope for this document.
	document.
	Modems SHOULD support the configuration of mapping a DSCP to a credit		Modems SHOULD support the configuration of mapping a DSCP to a credit
	window (queue).		window (queue).
	Modems MAY support the configuration of the number of credit windows		Modems MAY support the configuration of the number of credit windows
	(queues) to advertise to a router.		(queues) to advertise to a router.
	Routers may have limits on the number of queues that they can support		Routers may have limits on the number of queues that they can support
	and limits on supported credit window combinations. Per-destination		and limits on supported credit window combinations. Per-destination
	queues might not be supported at all. When credit window information		queues might not be supported at all. When credit window information
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