The IESG has approved the following document: - 'Population Count Extensions to PIM' (draft-ietf-pim-pop-count-07.txt) as Experimental RFC This document is the product of the Protocol Independent Multicast Working Group. The IESG contact persons are Adrian Farrel and Stewart Bryant. A URL of this Internet Draft is: http://datatracker.ietf.org/doc/draft-ietf-pim-pop-count/ Technical Summary This specification defines a method for providing multicast distribution-tree accounting data. Simple extensions to the PIM protocol allow a rough approximation of tree-based data in a scalable fashion. Working Group Summary There is consensus within the PIM WG to publish this document. The document has been actively discussed on the wg list and in wg meetings. There was no controversy with the progression of this document. As is common for protocol extensions in the PIM working group, this document is introduced as Experimental. It is anticipated that the work will be brought to the Standards Track if it gains traction and if experimental deployment shows value and stability. Document Quality There are currently no know implementations. Mike McBride (mmcbride7@gmail.com) is the document shepherd. Adrian Farrel (adrian@olddog.co.uk) is the responsible AD.