The watchful sleep mode: A new standard for energy efficiency in future access networks

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dc.contributor.authorHirafuji, Raisa O.C.
dc.contributor.authorda Cunha, Kelvin Batista
dc.contributor.authorCampelo, Divanilson R.
dc.contributor.authorDhaini, Ahmad R.
dc.contributor.authorKhotimsky, Denis A.
dc.contributor.departmentDepartment of Computer Science
dc.contributor.facultyFaculty of Arts and Sciences (FAS)
dc.contributor.institutionAmerican University of Beirut
dc.date.accessioned2025-01-24T11:22:55Z
dc.date.available2025-01-24T11:22:55Z
dc.date.issued2015
dc.description.abstractThe continuously increasing consumption of power to access the Internet has been a major concern for network operators and equipment vendors. Passive optical network (PON) systems are widely seen as the future of broadband access. In 2010, ITU-T standardized a protocol-based PON energy efficiency mechanism that is comprised of two main modes, the doze mode and the cyclic sleep mode, which promise to save significant amounts of energy. However, the use of these two standardized alternative modes requires extra signaling and wastes energy. In this article we present the watchful sleep mode, a new mode that unifies the doze and cyclic sleep modes into a single power management mode. The new mode eliminates the extra control signaling and maximizes the amount of energy saved by keeping only the necessary hardware ON. Recently, the watchful sleep mode has been included in the ITU-T G.984 (G-PON) and ITUT G.987 (XG-PON) recommendations. It is expected to be operated as the only power management mode in future PON systems. © 1979-2012 IEEE.
dc.identifier.doihttps://doi.org/10.1109/MCOM.2015.7180522
dc.identifier.eid2-s2.0-84939238227
dc.identifier.urihttp://hdl.handle.net/10938/25549
dc.language.isoen
dc.publisherInstitute of Electrical and Electronics Engineers Inc.
dc.relation.ispartofIEEE Communications Magazine
dc.sourceScopus
dc.subjectEnergy efficiency
dc.subjectEnergy management
dc.subjectPower management
dc.subjectPower management (telecommunication)
dc.subjectSleep research
dc.subjectAccess network
dc.subjectBroadband access
dc.subjectControl signaling
dc.subjectCyclic sleep modes
dc.subjectEquipment vendors
dc.subjectNetwork operator
dc.subjectPon system
dc.subjectSleep mode
dc.subjectPassive optical networks
dc.titleThe watchful sleep mode: A new standard for energy efficiency in future access networks
dc.typeArticle

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