Return Path Specified Label Switched Path (LSP) Ping (RFC7110)
Original Publication Date: 2014-Jan-01
Included in the Prior Art Database: 2014-Jan-25
Internet Society Requests For Comment (RFCs)
M. Chen: AUTHOR [+5]
This document defines extensions to the data-plane failure-detection protocol for Multiprotocol Label Switching (MPLS) Label Switched Paths (LSPs) known as "LSP ping" [RFC4379] that can be used to specify the return paths for the echo reply message, increasing the robustness of LSP ping, reducing the opportunity for error, and improving the reliability of the echo reply message. A new Reply Mode, which is referred to as "Reply via Specified Path", is added and a new Type-Length-Value (TLV), which is referred to as "Reply Path (RP) TLV", is defined in this memo. The procedures defined in this document currently only apply to "ping" mode. The "traceroute" mode is out of scope for this document.
Internet Engineering Task Force (IETF) M. Chen Request for Comments: 7110 W. Cao Category: Standards Track Huawei Technologies Co., Ltd ISSN: 2070-1721 S. Ning Tata Communications F. Jounay Orange CH S. Delord January 2014
Return Path Specified Label Switched Path (LSP) Ping
This document defines extensions to the data-plane failure-detection protocol for Multiprotocol Label Switching (MPLS) Label Switched Paths (LSPs) known as "LSP ping". These extensions allow a selection of the LSP to be used for the echo reply return path. Enforcing a specific return path can be used to verify bidirectional connectivity and also increase LSP ping robustness.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force (IETF). It represents the consensus of the IETF community. It has received public review and has been approved for publication by the Internet Engineering Steering Group (IESG). Further information on Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata, and how to provide feedback on it may be obtained at http://www.rfc-editor.org/info/rfc7110.
Chen, et al. Standards Track [Page 1]
RFC 7110 Return Path Specified LSP Ping January 2014
Copyright (c) 2014 IETF Trust and the persons identified as the document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal Provisions Relating to IETF Documents (http://trustee.ietf.org/license-info) in effect on the date of publication of this document. Please review these documents carefully, as they describe your rights and restrictions with respect to this document. Code Components extracted from this document must include Simplified BSD License text as described i...