{"id":"https://openalex.org/W2034228143","doi":"https://doi.org/10.1109/drcn.2007.4762252","title":"Resolving a question about span restoration: Do loopbacks involve a capacity penalty?","display_name":"Resolving a question about span restoration: Do loopbacks involve a capacity penalty?","publication_year":2007,"publication_date":"2007-10-01","ids":{"openalex":"https://openalex.org/W2034228143","doi":"https://doi.org/10.1109/drcn.2007.4762252","mag":"2034228143"},"language":"en","primary_location":{"id":"doi:10.1109/drcn.2007.4762252","is_oa":false,"landing_page_url":"https://doi.org/10.1109/drcn.2007.4762252","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 6th International Workshop on Design and Reliable Communication Networks","raw_type":"proceedings-article"},"type":"article","indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5087988640","display_name":"W.D. Grover","orcid":null},"institutions":[{"id":"https://openalex.org/I4210150603","display_name":"Traclabs (United States)","ror":"https://ror.org/03sf2jx83","country_code":"US","type":"company","lineage":["https://openalex.org/I4210150603"]},{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA","US"],"is_corresponding":true,"raw_author_name":"Wayne D. Grover","raw_affiliation_strings":["TRLabs, Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","TRLabs, Edmonton, AB"],"affiliations":[{"raw_affiliation_string":"TRLabs, Department of Electrical and Computer Engineering, University of Alberta, Edmonton, AB, Canada","institution_ids":["https://openalex.org/I154425047"]},{"raw_affiliation_string":"TRLabs, Edmonton, AB","institution_ids":["https://openalex.org/I4210150603"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5075642448","display_name":"Matthias Scheffel","orcid":null},"institutions":[{"id":"https://openalex.org/I8204097","display_name":"Ludwig-Maximilians-Universit\u00e4t M\u00fcnchen","ror":"https://ror.org/05591te55","country_code":"DE","type":"education","lineage":["https://openalex.org/I8204097"]},{"id":"https://openalex.org/I174004417","display_name":"Munich University of Applied Sciences","ror":"https://ror.org/012k1v959","country_code":"DE","type":"education","lineage":["https://openalex.org/I174004417"]}],"countries":["DE"],"is_corresponding":false,"raw_author_name":"Matthias Scheffel","raw_affiliation_strings":["Institute of Communication Networks, Munich University of Technology, Munich, Germany","Inst. of Commun. Networks, Munich Univ. of Technol., Munich"],"affiliations":[{"raw_affiliation_string":"Institute of Communication Networks, Munich University of Technology, Munich, Germany","institution_ids":["https://openalex.org/I174004417"]},{"raw_affiliation_string":"Inst. of Commun. Networks, Munich Univ. of Technol., Munich","institution_ids":["https://openalex.org/I8204097"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":2,"corresponding_author_ids":["https://openalex.org/A5087988640"],"corresponding_institution_ids":["https://openalex.org/I154425047","https://openalex.org/I4210150603"],"apc_list":null,"apc_paid":null,"fwci":0.3512,"has_fulltext":false,"cited_by_count":3,"citation_normalized_percentile":{"value":0.63809127,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":89,"max":94},"biblio":{"volume":"85","issue":null,"first_page":"1","last_page":"6"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","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"}},"topics":[{"id":"https://openalex.org/T10847","display_name":"Advanced Optical Network Technologies","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"}},{"id":"https://openalex.org/T10232","display_name":"Optical Network Technologies","score":0.9710000157356262,"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/span","display_name":"Span (engineering)","score":0.634183406829834},{"id":"https://openalex.org/keywords/computer-science","display_name":"Computer science","score":0.5068276524543762},{"id":"https://openalex.org/keywords/engineering","display_name":"Engineering","score":0.22644266486167908},{"id":"https://openalex.org/keywords/structural-engineering","display_name":"Structural engineering","score":0.17841577529907227}],"concepts":[{"id":"https://openalex.org/C2778753569","wikidata":"https://www.wikidata.org/wiki/Q1960395","display_name":"Span (engineering)","level":2,"score":0.634183406829834},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.5068276524543762},{"id":"https://openalex.org/C127413603","wikidata":"https://www.wikidata.org/wiki/Q11023","display_name":"Engineering","level":0,"score":0.22644266486167908},{"id":"https://openalex.org/C66938386","wikidata":"https://www.wikidata.org/wiki/Q633538","display_name":"Structural engineering","level":1,"score":0.17841577529907227}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1109/drcn.2007.4762252","is_oa":false,"landing_page_url":"https://doi.org/10.1109/drcn.2007.4762252","pdf_url":null,"source":null,"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"2007 6th International Workshop on Design and Reliable Communication Networks","raw_type":"proceedings-article"}],"best_oa_location":null,"sustainable_development_goals":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":9,"referenced_works":["https://openalex.org/W111740604","https://openalex.org/W182729475","https://openalex.org/W2010148338","https://openalex.org/W2067012593","https://openalex.org/W2111159763","https://openalex.org/W2134986604","https://openalex.org/W2164870434","https://openalex.org/W6607317059","https://openalex.org/W6684231232"],"related_works":["https://openalex.org/W4391375266","https://openalex.org/W2748952813","https://openalex.org/W2390279801","https://openalex.org/W2358668433","https://openalex.org/W4396701345","https://openalex.org/W2376932109","https://openalex.org/W2001405890","https://openalex.org/W4396696052","https://openalex.org/W4402327032","https://openalex.org/W2382290278"],"abstract_inverted_index":{"Under":[0],"span":[1,56],"restoration":[2,33],"or":[3,84,123,135],"\u201clink":[4],"protection,\u201d":[5],"situations":[6],"arise":[7],"where":[8],"the":[9,106,144,161,166,221],"end-to-end":[10],"route":[11,30],"of":[12,28,55,88,172,223],"a":[13,17,20,32,51,64,169,182,200],"restored":[14],"path":[15,21],"contains":[16],"\u201cloopback,\u201d":[18],"wherein":[19],"doubles":[22],"back":[23],"on":[24,98],"itself":[25],"over":[26],"part":[27],"its":[29],"following":[31],"action.":[34],"Investigators":[35],"often":[36],"independently":[37],"observe":[38],"this":[39,59,72,173],"and":[40,45,63,77,94,104,181,204],"presume":[41],"that":[42,71,78,112,164],"loopback":[43,79,156],"detection":[44],"avoidance":[46],"would":[47,81],"thus":[48],"lead":[49],"to":[50,160,216],"more":[52,124,136],"capacity-efficient":[53],"form":[54],"restoration.":[57],"Intuitively":[58],"may":[60,116],"be":[61,117,197,208],"compelling":[62],"seemingly":[65],"obvious":[66],"conclusion.":[67],"We":[68],"show,":[69],"however,":[70],"is":[73,111,132,150,163,179,185],"an":[74,128],"oversimplified":[75],"view":[76],"elimination":[80],"provide":[82],"none":[83],"only":[85,175],"trivial":[86],"amounts":[87],"spare":[89,114,145],"capacity":[90,115,146,202],"savings.":[91],"Theoretical":[92],"reasoning":[93],"experimental":[95],"validations":[96],"based":[97],"forcer":[99],"analysis":[100],"are":[101],"given":[102,186],"confirming":[103],"explaining":[105],"findings.":[107],"The":[108,158],"main":[109],"insight":[110],"while":[113],"used":[118],"in":[119,127,192,220],"loopbacks":[120,195],"for":[121,165],"one":[122,134],"failure":[125,138],"scenarios,":[126],"efficient":[129],"design,":[130],"there":[131,206],"always":[133],"other":[137],"scenarios":[139],"which":[140,188],"do":[141],"use":[142],"all":[143],"without":[147],"loopbacks.":[148],"There":[149],"then":[151],"no":[152,209],"savings":[153],"possible":[154,201],"from":[155],"elimination.":[157],"benefit":[159],"field":[162],"first":[167],"time":[168],"quantitative":[170],"assessment":[171],"previously":[174],"qualitatively":[176],"observed":[177],"effect":[178],"provided":[180],"theoretical":[183],"framework":[184],"within":[187],"we":[189],"can":[190],"understand":[191],"general":[193],"when":[194,205],"will":[196,207],"associated":[198],"with":[199],"penalty":[203,211],"such":[210],"at":[212],"all.":[213],"This":[214],"adds":[215],"our":[217],"basic":[218],"knowledge":[219],"area":[222],"survivable":[224],"networking":[225],"science.":[226]},"counts_by_year":[{"year":2014,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2025-11-06T03:46:38.306776","created_date":"2025-10-10T00:00:00"}