rfc9551v2.txt		rfc9551.txt
	skipping to change at line 193 ¶		skipping to change at line 193 ¶
	On-path telemetry: on-path telemetry can be realized as a hybrid OAM		On-path telemetry: on-path telemetry can be realized as a hybrid OAM
	method. The origination of the telemetry information is		method. The origination of the telemetry information is
	inherently in band as packets in a DetNet flow are used as		inherently in band as packets in a DetNet flow are used as
	triggers. Collection of the on-path telemetry information can be		triggers. Collection of the on-path telemetry information can be
	performed using in-band or out-of-band OAM methods.		performed using in-band or out-of-band OAM methods.
	1.2. Requirements Language		1.2. Requirements Language
	The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",		The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
	"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 BCP		"OPTIONAL" in this document are to be interpreted as described in
	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. The requirements language is used in		capitals, as shown here. The requirements language is used in
	Sections 1.1 and 6, and applies to the implementations of DetNet OAM.		Sections 1.1 and 6, and applies to the implementations of DetNet OAM.
	2. Role of OAM in DetNet		2. Role of OAM in DetNet
	DetNet networks are expected to provide communications with		DetNet networks are expected to provide communications with
	predictable low packet delay, packet loss, and packet misordering.		predictable low packet delay, packet loss, and packet misordering.
	Most critical applications will define a set of SLOs to be required		Most critical applications will define a set of SLOs to be required
	for the DetNet flows they generate.		for the DetNet flows they generate.
	skipping to change at line 558 ¶		skipping to change at line 558 ¶
	3. the monitoring of levels of resources allocated for a particular		3. the monitoring of levels of resources allocated for a particular
	DetNet flow. Such resources include, but are not limited to,		DetNet flow. Such resources include, but are not limited to,
	buffer utilization and scheduler transmission calendar.		buffer utilization and scheduler transmission calendar.
	4. the monitoring of any subset of paths traversed through the		4. the monitoring of any subset of paths traversed through the
	DetNet domain by a DetNet flow.		DetNet domain by a DetNet flow.
	6.2. For the DetNet Service Sub-layer		6.2. For the DetNet Service Sub-layer
	The OAM functions for the DetNet service sub-layer allow, for		The OAM functions for the DetNet service sub-layer allow, for
	example, the recognization/discovery of DetNet relay nodes, the		example, the recognizing/discovery of DetNet relay nodes, the
	gathering of information about their configuration, and the checking		gathering of information about their configuration, and the checking
	of their operation or status.		of their operation or status.
	The requirements on OAM for a DetNet relay node are that DetNet OAM		The requirements on OAM for a DetNet relay node are that DetNet OAM
	MUST:		MUST:
	1. provide OAM functions for the DetNet service sub-layer.		1. provide OAM functions for the DetNet service sub-layer.
	2. support the discovery of DetNet relay nodes in a DetNet network.		2. support the discovery of DetNet relay nodes in a DetNet network.
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