rfc9893v1.txt		rfc9893.txt
	skipping to change at line 92 ¶		skipping to change at line 92 ¶
	1. Introduction		1. Introduction
	The Dynamic Link Exchange Protocol (DLEP), defined in [RFC8175],		The Dynamic Link Exchange Protocol (DLEP), defined in [RFC8175],
	provides the exchange of link-related control information between		provides the exchange of link-related control information between
	DLEP peers. DLEP peers are comprised of a modem and a router. DLEP		DLEP peers. DLEP peers are comprised of a modem and a router. DLEP
	defines a base set of mechanisms as well as support for future		defines a base set of mechanisms as well as support for future
	extensions. DLEP defines Data Items, which are sets of information		extensions. DLEP defines Data Items, which are sets of information
	that can be reused in DLEP messaging. The DLEP specification does		that can be reused in DLEP messaging. The DLEP specification does
	not include any flow identification beyond DLEP endpoints, nor does		not include any flow identification beyond DLEP endpoints, nor does
	it address flow control capability. Various flow control techniques		it address flow control capability. Various flow control techniques
	are theoretically possible with DLEP. For example, a credit-window		are theoretically possible with DLEP. For example, a credit window
	scheme for destination-specific flow control that provides aggregate		scheme for destination-specific flow control that provides aggregate
	flow control for both modems and routers has been proposed in		flow control for both modems and routers has been proposed in
	[Credit-Window-Extension], and a mechanism referred to as the		[Credit-Window-Extension], and a mechanism referred to as the
	Control-Plane-Based Pause Extension is defined in [RFC8651]. The use		Control-Plane-Based Pause Extension is defined in [RFC8651]. The use
	of other flow control mechanisms simultaneously with credit-based		of other flow control mechanisms simultaneously with credit-based
	flow control is not within the scope of this document.		flow control is not within the scope of this document.
	Credit-based flow control, as a result of its proactive nature, may		Credit-based flow control, as a result of its proactive nature, may
	offer some advantages over a pause mechanism. Packet loss resulting		offer some advantages over a pause mechanism. Packet loss resulting
	from insufficient buffer space is less likely, as a transmitter does		from insufficient buffer space is less likely, as a transmitter does
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