{"id":"https://openalex.org/W2161548903","doi":"https://doi.org/10.1145/1851290.1851306","title":"How green is IP-telephony?","display_name":"How green is IP-telephony?","publication_year":2010,"publication_date":"2010-08-30","ids":{"openalex":"https://openalex.org/W2161548903","doi":"https://doi.org/10.1145/1851290.1851306","mag":"2161548903"},"language":"en","primary_location":{"id":"doi:10.1145/1851290.1851306","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1851290.1851306","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851306","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the first ACM SIGCOMM workshop on Green networking","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":true,"oa_status":"gold","oa_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851306","any_repository_has_fulltext":null},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5060996158","display_name":"Salman Baset","orcid":null},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Salman Abdul Baset","raw_affiliation_strings":["Columbia University, New York, NY, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Columbia University, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5039434868","display_name":"Joshua Reich","orcid":null},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Joshua Reich","raw_affiliation_strings":["Columbia University, New York, NY, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Columbia University, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5012528140","display_name":"Jan Janak","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Jan Janak","raw_affiliation_strings":["Tekelec, Prague, Czech Rep"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tekelec, Prague, Czech Rep","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5010901320","display_name":"Pavel Kasparek","orcid":null},"institutions":[],"countries":[],"is_corresponding":false,"raw_author_name":"Pavel Kasparek","raw_affiliation_strings":["Tekelec, Prague, Czech Rep"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Tekelec, Prague, Czech Rep","institution_ids":[]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5019484217","display_name":"Vishal Misra","orcid":"https://orcid.org/0000-0002-9432-6938"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Vishal Misra","raw_affiliation_strings":["Columbia University, New York, NY, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Columbia University, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5052765061","display_name":"Dan Rubenstein","orcid":"https://orcid.org/0000-0002-3747-9946"},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Dan Rubenstein","raw_affiliation_strings":["Columbia University, New York, NY, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Columbia University, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5078178563","display_name":"Henning Schulzrinnne","orcid":null},"institutions":[{"id":"https://openalex.org/I78577930","display_name":"Columbia University","ror":"https://ror.org/00hj8s172","country_code":"US","type":"education","lineage":["https://openalex.org/I78577930"]}],"countries":["US"],"is_corresponding":false,"raw_author_name":"Henning Schulzrinnne","raw_affiliation_strings":["Columbia University, New York, NY, USA"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Columbia University, New York, NY, USA","institution_ids":["https://openalex.org/I78577930"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":7,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":3.7285,"has_fulltext":true,"cited_by_count":13,"citation_normalized_percentile":{"value":0.93645554,"is_in_top_1_percent":false,"is_in_top_10_percent":true},"cited_by_percentile_year":{"min":89,"max":98},"biblio":{"volume":null,"issue":null,"first_page":"77","last_page":"84"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T11478","display_name":"Caching and Content Delivery","score":0.9998000264167786,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10138","display_name":"Network Traffic and Congestion Control","score":0.9993000030517578,"subfield":{"id":"https://openalex.org/subfields/1705","display_name":"Computer Networks and Communications"},"field":{"id":"https://openalex.org/fields/17","display_name":"Computer Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T12238","display_name":"Green IT and Sustainability","score":0.9990000128746033,"subfield":{"id":"https://openalex.org/subfields/2208","display_name":"Electrical and Electronic Engineering"},"field":{"id":"https://openalex.org/fields/22","display_name":"Engineering"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/voice-over-ip","display_name":"Voice over IP","score":0.9232882261276245},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.7066524624824524},{"id":"https://openalex.org/keywords/telephony","display_name":"Telephony","score":0.6957128643989563},{"id":"https://openalex.org/keywords/energy-consumption","display_name":"Energy consumption","score":0.6594330072402954},{"id":"https://openalex.org/keywords/ask-price","display_name":"Ask price","score":0.641148567199707},{"id":"https://openalex.org/keywords/efficient-energy-use","display_name":"Efficient energy use","score":0.6244140863418579},{"id":"https://openalex.org/keywords/telecommunications","display_name":"Telecommunications","score":0.4812445640563965},{"id":"https://openalex.org/keywords/energy","display_name":"Energy (signal processing)","score":0.47790369391441345},{"id":"https://openalex.org/keywords/computer-network","display_name":"Computer network","score":0.45570242404937744},{"id":"https://openalex.org/keywords/power-consumption","display_name":"Power consumption","score":0.44939830899238586},{"id":"https://openalex.org/keywords/server","display_name":"Server","score":0.4448464512825012},{"id":"https://openalex.org/keywords/peer-to-peer","display_name":"Peer-to-peer","score":0.43335047364234924},{"id":"https://openalex.org/keywords/power","display_name":"Power (physics)","score":0.31728166341781616},{"id":"https://openalex.org/keywords/the-internet","display_name":"The Internet","score":0.22053992748260498},{"id":"https://openalex.org/keywords/world-wide-web","display_name":"World Wide Web","score":0.18851852416992188},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.1280663013458252},{"id":"https://openalex.org/keywords/business","display_name":"Business","score":0.11506670713424683},{"id":"https://openalex.org/keywords/electrical-engineering","display_name":"Electrical engineering","score":0.08069068193435669}],"concepts":[{"id":"https://openalex.org/C171246234","wikidata":"https://www.wikidata.org/wiki/Q81945","display_name":"Voice over IP","level":3,"score":0.9232882261276245},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.7066524624824524},{"id":"https://openalex.org/C195358072","wikidata":"https://www.wikidata.org/wiki/Q944584","display_name":"Telephony","level":2,"score":0.6957128643989563},{"id":"https://openalex.org/C2780165032","wikidata":"https://www.wikidata.org/wiki/Q16869822","display_name":"Energy consumption","level":2,"score":0.6594330072402954},{"id":"https://openalex.org/C90329073","wikidata":"https://www.wikidata.org/wiki/Q914232","display_name":"Ask price","level":2,"score":0.641148567199707},{"id":"https://openalex.org/C2742236","wikidata":"https://www.wikidata.org/wiki/Q924713","display_name":"Efficient energy use","level":2,"score":0.6244140863418579},{"id":"https://openalex.org/C76155785","wikidata":"https://www.wikidata.org/wiki/Q418","display_name":"Telecommunications","level":1,"score":0.4812445640563965},{"id":"https://openalex.org/C186370098","wikidata":"https://www.wikidata.org/wiki/Q442787","display_name":"Energy (signal processing)","level":2,"score":0.47790369391441345},{"id":"https://openalex.org/C31258907","wikidata":"https://www.wikidata.org/wiki/Q1301371","display_name":"Computer network","level":1,"score":0.45570242404937744},{"id":"https://openalex.org/C2984118289","wikidata":"https://www.wikidata.org/wiki/Q29954","display_name":"Power consumption","level":3,"score":0.44939830899238586},{"id":"https://openalex.org/C93996380","wikidata":"https://www.wikidata.org/wiki/Q44127","display_name":"Server","level":2,"score":0.4448464512825012},{"id":"https://openalex.org/C534932454","wikidata":"https://www.wikidata.org/wiki/Q161410","display_name":"Peer-to-peer","level":2,"score":0.43335047364234924},{"id":"https://openalex.org/C163258240","wikidata":"https://www.wikidata.org/wiki/Q25342","display_name":"Power (physics)","level":2,"score":0.31728166341781616},{"id":"https://openalex.org/C110875604","wikidata":"https://www.wikidata.org/wiki/Q75","display_name":"The Internet","level":2,"score":0.22053992748260498},{"id":"https://openalex.org/C136764020","wikidata":"https://www.wikidata.org/wiki/Q466","display_name":"World Wide Web","level":1,"score":0.18851852416992188},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.1280663013458252},{"id":"https://openalex.org/C144133560","wikidata":"https://www.wikidata.org/wiki/Q4830453","display_name":"Business","level":0,"score":0.11506670713424683},{"id":"https://openalex.org/C119599485","wikidata":"https://www.wikidata.org/wiki/Q43035","display_name":"Electrical engineering","level":1,"score":0.08069068193435669},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.0},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.0},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.0},{"id":"https://openalex.org/C105795698","wikidata":"https://www.wikidata.org/wiki/Q12483","display_name":"Statistics","level":1,"score":0.0}],"mesh":[],"locations_count":3,"locations":[{"id":"doi:10.1145/1851290.1851306","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1851290.1851306","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851306","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the first ACM SIGCOMM workshop on Green networking","raw_type":"proceedings-article"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.180.6391","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.180.6391","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://www1.cs.columbia.edu/%7Esalman/publications/greenvoip-gn10.pdf","raw_type":"text"},{"id":"pmh:oai:CiteSeerX.psu:10.1.1.470.8995","is_oa":false,"landing_page_url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.470.8995","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"http://conferences.sigcomm.org/sigcomm/2010/papers/green/p77.pdf","raw_type":"text"}],"best_oa_location":{"id":"doi:10.1145/1851290.1851306","is_oa":true,"landing_page_url":"https://doi.org/10.1145/1851290.1851306","pdf_url":"https://dl.acm.org/doi/pdf/10.1145/1851290.1851306","source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Proceedings of the first ACM SIGCOMM workshop on Green networking","raw_type":"proceedings-article"},"sustainable_development_goals":[{"score":0.8999999761581421,"id":"https://metadata.un.org/sdg/7","display_name":"Affordable and clean energy"}],"awards":[],"funders":[],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W2161548903.pdf","grobid_xml":"https://content.openalex.org/works/W2161548903.grobid-xml"},"referenced_works_count":10,"referenced_works":["https://openalex.org/W30096953","https://openalex.org/W1611777866","https://openalex.org/W2060656154","https://openalex.org/W2097725665","https://openalex.org/W2099040451","https://openalex.org/W2102351657","https://openalex.org/W2151062909","https://openalex.org/W2152952533","https://openalex.org/W2289424780","https://openalex.org/W6674817225"],"related_works":["https://openalex.org/W2133142117","https://openalex.org/W1931754305","https://openalex.org/W2415443980","https://openalex.org/W2388812690","https://openalex.org/W2163038962","https://openalex.org/W2103238357","https://openalex.org/W2046333883","https://openalex.org/W2261967333","https://openalex.org/W3194723095","https://openalex.org/W2183963343"],"abstract_inverted_index":{"With":[0],"constantly":[1],"increasing":[2],"costs":[3],"of":[4,17,56],"energy,":[5],"we":[6,10,25],"ask":[7],"ourselves":[8],"what":[9],"can":[11],"say":[12],"about":[13,28],"the":[14,29],"energy":[15,37,49],"efficiency":[16,50],"existing":[18,30],"VoIP":[19,34],"systems.":[20],"To":[21],"answer":[22],"that":[23],"question,":[24],"gather":[26],"information":[27],"client-server":[31],"and":[32,42,47,53],"peer-to-peer":[33],"systems,":[35,41],"build":[36],"models":[38],"for":[39],"these":[40],"evaluate":[43],"their":[44],"power":[45],"consumption":[46],"relative":[48],"through":[51],"analysis":[52],"a":[54],"series":[55],"experiments.":[57]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2016,"cited_by_count":1},{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":4}],"updated_date":"2026-06-11T09:08:48.828518","created_date":"2025-10-10T00:00:00"}
