[go: up one dir, main page]

Singh et al., 2017 - Google Patents

Efficient spectrum defragmentation with holding-time awareness in elastic optical networks

Singh et al., 2017

Document ID
6408839576074248759
Author
Singh S
Jukan A
Publication year
Publication venue
Journal of Optical Communications and Networking

External Links

Snippet

Elastic optical networks are prone to spectrum fragmentation, resulting in poor resource utilization and often higher blocking probability. To overcome the spectrum fragmentation, a defragmentation (DF) of the spectrum can be applied by reconfiguring some or all active …
Continue reading at ieeexplore.ieee.org (other versions)

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0254—Optical medium access
    • H04J14/0256—Optical medium access at the optical channel layer
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q11/0067—Provisions for optical access or distribution networks, e.g. Gigabit Ethernet Passive Optical Network (GE-PON), ATM-based Passive Optical Network (A-PON), PON-Ring
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0254—Optical medium access
    • H04J14/0267—Optical signaling or routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0062—Network aspects
    • H04Q2011/0086—Network resource allocation, dimensioning or optimisation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0284—WDM mesh architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic regulation in packet switching networks
    • H04L47/70—Admission control or resource allocation
    • H04L47/82—Miscellaneous aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/50—Network service management, i.e. ensuring proper service fulfillment according to an agreement or contract between two parties, e.g. between an IT-provider and a customer
    • H04L41/5019—Ensuring SLA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/22—Alternate routing
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L47/00—Traffic regulation in packet switching networks
    • H04L47/10—Flow control or congestion control
    • H04L47/12—Congestion avoidance or recovery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/30—Special provisions for routing multiclass traffic
    • H04L45/302—Route determination based on requested QoS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L45/00—Routing or path finding of packets in data switching networks
    • H04L45/12—Shortest path evaluation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/54—Store-and-forward switching systems
    • H04L12/56—Packet switching systems
    • H04L12/5695—Admission control; Resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L41/00—Arrangements for maintenance or administration or management of packet switching networks
    • H04L41/12—Arrangements for maintenance or administration or management of packet switching networks network topology discovery or management
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATIONS NETWORKS
    • H04W72/00—Local resource management, e.g. wireless traffic scheduling or selection or allocation of wireless resources
    • H04W72/04—Wireless resource allocation

Similar Documents

Publication Publication Date Title
Singh et al. Efficient spectrum defragmentation with holding-time awareness in elastic optical networks
Yang et al. Impairment-aware routing in translucent spectrum-sliced elastic optical path networks
Pagès et al. Optimal allocation of virtual optical networks for the future internet
WO2013037570A1 (en) Allocation of spectral capacity in a wavelength-division multiplexing optical network
CN105827528A (en) Routing method suitable for frequency spectrum-flexible optical network
Hirota et al. Dynamic spectrum allocation based on connection alignment for elastic optical networks
Oliveira et al. Protection, routing, spectrum and core allocation in EONs-SDM for efficient spectrum utilization
Juzi et al. QoT-aware grooming, routing, and wavelength assignment (GRWA) for mixed-line-rate translucent optical networks
Takita et al. Wavelength defragmentation with minimum optical path disruptions for seamless service migration
CN103475440A (en) Impairment aware route and wavelength assignment method supporting differentiated services
Shi et al. Contaminated area-based RSCA algorithm for super-channel in flex-grid enabled SDM networks
Savi et al. An application-aware multi-layer service provisioning algorithm based on auxiliary graphs
Feng et al. A segmentation modulation based spectral allocation scheme for elastic optical networks
Luo et al. Routing connections with differentiated reliability requirements in WDM mesh networks
Alhowaidi et al. Dynamic provisioning in virtualized Cloud infrastructure in IP/MPLS-over-WDM networks
Yamada et al. Survivable hierarchical optical path network design with dedicated wavelength path protection
Chen et al. Survivable spectrum-shared ability in flexible bandwidth optical networks with distributed data centers
Song et al. Make-before-break based spectrum defragmentation in mixed-grid optical networks
Alyatama Analyzing the relative cost concept in elastic optical networks
Xu et al. Routing and spectrum allocation for time varying traffic by artificial bee colony algorithm in elastic optical networks
Chen et al. Spectrum-space-divided spectrum allocation approaches in software-defined elastic optical networks
Khantwal et al. Pdavxt: Partition-based crosstalk-avoided defragmentation scheme for spectrally-spatially elastic optical networks
binti Halida et al. Dedicated protection scheme for optical networks survivability
Yuan et al. How much can sub-band virtual concatenation (VCAT) help static routing and spectrum assignment in elastic optical networks?
Júnior et al. Heuristics for routing and spectrum allocation in elastic optical path networks