| 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 | |||
| End of changes. 1 change blocks. | ||||
| 1 lines changed or deleted | 1 lines changed or added | |||
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