%% You should probably cite draft-ietf-sipcore-presence-scaling-requirements instead of this I-D. @techreport{ietf-sipping-presence-scaling-requirements-03, number = {draft-ietf-sipping-presence-scaling-requirements-03}, type = {Internet-Draft}, institution = {Internet Engineering Task Force}, publisher = {Internet Engineering Task Force}, note = {Work in Progress}, url = {https://datatracker.ietf.org/doc/draft-ietf-sipping-presence-scaling-requirements/03/}, author = {Avshalom Houri and Sriram Parameswar and Edwin Aoki and Vishal Singh and Henning Schulzrinne}, title = {{Scaling Requirements for Presence in SIP/SIMPLE}}, pagetotal = 9, year = 2009, month = jan, day = 27, abstract = {The document provides a set of requirements for enabling interdomain scaling in presence for SIP/SIMPLE.}, }