{"draft":"draft-ietf-ippm-multimetrics-12","doc_id":"RFC5644","title":"IP Performance Metrics (IPPM): Spatial and Multicast","authors":["E. Stephan","L. Liang","A. Morton"],"format":["ASCII","HTML"],"page_count":"57","pub_status":"PROPOSED STANDARD","status":"PROPOSED STANDARD","source":"IP Performance Measurement","abstract":"The IETF has standardized IP Performance Metrics (IPPM) for measuring\r\nend-to-end performance between two points.  This memo defines two new\r\ncategories of metrics that extend the coverage to multiple\r\nmeasurement points.  It defines spatial metrics for measuring the\r\nperformance of segments of a source to destination path, and metrics\r\nfor measuring the performance between a source and many destinations\r\nin multiparty communications (e.g., a multicast tree).  [STANDARDS-TRACK]","pub_date":"October 2009","keywords":["[--------]","Multiple point measurement","relative performance","group performance statistic","per hop measurement","segment performance"],"obsoletes":[],"obsoleted_by":[],"updates":[],"updated_by":["RFC6248"],"see_also":[],"doi":"10.17487\/RFC5644","errata_url":"https:\/\/www.rfc-editor.org\/errata\/rfc5644"}