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dc.contributor.author최진식-
dc.date.accessioned2017-08-03T05:34:13Z-
dc.date.available2017-08-03T05:34:13Z-
dc.date.issued2015-10-
dc.identifier.citationOPTICAL SWITCHING AND NETWORKING, v. 26, Page. 39-47en_US
dc.identifier.issn1573-4277-
dc.identifier.issn1872-9770-
dc.identifier.urihttp://www.sciencedirect.com/science/article/pii/S1573427715000776?via%3Dihub-
dc.identifier.urihttp://hdl.handle.net/20.500.11754/28251-
dc.description.abstractIn this paper, we present a topology discovery protocol for a stateful path computation element (PCE), in which the PCE has an out-of-band control channel to every switch in a unified control. The proposed protocol is an extended version of the PCE communication protocol (PCEP) called the Generalized TOPology (G-TOP) protocol that allows the PCE to automatically construct the network topology as a controller without using a distributed routing protocol. With the G-TOP protocol, the centralized PCE controller proactively extracts neighbor information as well as link status information from switches when it starts. The controller also reactively updates topology changes that arise from the switch when detecting faults or changes in the link state. We implement the proposed protocol, and show that the proposed protocol reduces not only the topology discovery/updating time but also traffic to the controller. (C) 2015 Elsevier B.V. All rights reserved.en_US
dc.description.sponsorshipThis research was supported by Basic Science Research Program through the National Research Foundation of Korea funded by the Ministry of Education, Science and Technology, Republic of Korea (H6121-2013-1298).en_US
dc.language.isoenen_US
dc.publisherELSEVIER SCIENCE BVen_US
dc.subjectTopology discoveryen_US
dc.subjectController-drivenen_US
dc.subjectEvent-drivenen_US
dc.subjectPath computation elementen_US
dc.subjectSoftware defined topology discovery controlen_US
dc.titleDesign and evaluation of a PCEP-based topology discovery protocol for stateful PCEen_US
dc.typeArticleen_US
dc.identifier.doi10.1016/j.osn.2015.09.006-
dc.relation.page1-9-
dc.relation.journalOPTICAL SWITCHING AND NETWORKING-
dc.contributor.googleauthorChoi, Jin Seek-
dc.contributor.googleauthorKang, Sungtae-
dc.contributor.googleauthorLee, Young-
dc.relation.code2015009491-
dc.sector.campusS-
dc.sector.daehakCOLLEGE OF ENGINEERING[S]-
dc.sector.departmentDEPARTMENT OF COMPUTER SCIENCE-
dc.identifier.pidjinseek-
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COLLEGE OF ENGINEERING[S](공과대학) > COMPUTER SCIENCE AND ENGINEERING(컴퓨터공학부) > Articles
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