[alto] I-D Action: draft-ietf-alto-performance-metrics-06.txt
internet-drafts@ietf.org Thu, 29 November 2018 07:46 UTC
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Date: Wed, 28 Nov 2018 23:46:37 -0800
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Subject: [alto] I-D Action: draft-ietf-alto-performance-metrics-06.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories. This draft is a work item of the Application-Layer Traffic Optimization WG of the IETF. Title : ALTO Performance Cost Metrics Authors : Qin Wu Y. Richard Yang Young Lee Dhruv Dhody Sabine Randriamasy Filename : draft-ietf-alto-performance-metrics-06.txt Pages : 26 Date : 2018-11-28 Abstract: Cost Metric is a basic concept in Application-Layer Traffic Optimization (ALTO). It is used in both the Cost Map Service and the Endpoint Cost Service. Different applications may benefit from different Cost Metrics. For example, a Resource Consumer may prefer Resource Providers that offer a low delay delivery to the Resource Consumer. However, the base ALTO protocol has documented only one single cost metric, i.e., the generic "routingcost" metric (Sec. 14.2 of ALTO base specification [RFC7285]). This document proposes a set of Cost Metrics, derived and aggregated from routing protocols with different granularity and scope, such as BGP-LS, OSPF-TE and ISIS-TE, or from end-to-end traffic management tools. It currently documents Network Performance Cost Metrics reporting on network delay, jitter, packet loss, hop count, and bandwidth. These metrics may be exposed by an ALTO Server to allow applications to determine "where" to connect based on network performance criteria. Additional Cost Metrics involving ISP specific considerations or other network technologies may be documented in further versions of this draft. The IETF datatracker status page for this draft is: https://datatracker.ietf.org/doc/draft-ietf-alto-performance-metrics/ There are also htmlized versions available at: https://tools.ietf.org/html/draft-ietf-alto-performance-metrics-06 https://datatracker.ietf.org/doc/html/draft-ietf-alto-performance-metrics-06 A diff from the previous version is available at: https://www.ietf.org/rfcdiff?url2=draft-ietf-alto-performance-metrics-06 Please note that it may take a couple of minutes from the time of submission until the htmlized version and diff are available at tools.ietf.org. Internet-Drafts are also available by anonymous FTP at: ftp://ftp.ietf.org/internet-drafts/
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