Nagao OGINO


An Efficient Content Search Method Based on Local Link Replacement in Unstructured Peer-to-Peer Networks
Nagao OGINO Takeshi KITAHARA 
Publication:   
Publication Date: 2018/03/01
Vol. E101-B  No. 3  pp. 740-749
Type of Manuscript:  PAPER
Category: Network
Keyword: 
peer-to-peer networkpartial-match queryinterest-based localitysmall-world topologylocal link replacement
 Summary | Full Text:PDF(956.7KB)

Optimization of Multicast Delivery for Threshold Secret Shared Content
Nagao OGINO Yuto NAKAMURA Shigehiro ANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/12/01
Vol. E98-B  No. 12  pp. 2419-2430
Type of Manuscript:  PAPER
Category: Network
Keyword: 
multicast content deliverythreshold secret sharingnetwork codingtradeoff optimizationheuristic route computation
 Summary | Full Text:PDF(1.4MB)

Route Computation for Reliable Delivery of Threshold Secret Shared Content
Nagao OGINO Hidetoshi YOKOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/01/01
Vol. E98-B  No. 1  pp. 209-218
Type of Manuscript:  PAPER
Category: Network
Keyword: 
reliable content deliverythreshold secret sharingroute optimizationgreedy methodadjustment of link distance
 Summary | Full Text:PDF(1MB)

Peer-to-Peer Content Multicast Using Off-Peak Periods in Wireless Access Links
Nagao OGINO Shigehiro ANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/11/01
Vol. E96-B  No. 11  pp. 2845-2855
Type of Manuscript:  PAPER
Category: Network System
Keyword: 
wireless peer-to-peer networkpeer-to-peer content multicasthybrid forwarding schemeintermittent access linkoff-peak period
 Summary | Full Text:PDF(1.8MB)

Simplification of Service Functions Resulting from Growth in Scale of Networks
Nagao OGINO Hideyuki KOTO Hajime NAKAMURA Shigehiro ANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/09/01
Vol. E96-B  No. 9  pp. 2224-2234
Type of Manuscript:  PAPER
Category: Network
Keyword: 
network evolutionsimplification of service functionsgrowth in scale of networkpriority controlload balancing
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Route Computation Method for Secure Delivery of Secret Shared Content
Nagao OGINO Takuya OMI Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/11/01
Vol. E95-B  No. 11  pp. 3456-3463
Type of Manuscript:  PAPER
Category: Network
Keyword: 
route computation methodsecure content deliverysecret sharing schemeshortest route algorithmlink distance adjustment
 Summary | Full Text:PDF(1.1MB)

An Adaptive Method to Acquire QoS Class Allocation Policy Based on Reinforcement Learning
Nagao OGINO Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/09/01
Vol. E95-B  No. 9  pp. 2828-2837
Type of Manuscript:  PAPER
Category: Network
Keyword: 
multi-domain path-based networkend-to-end QoS guaranteeadaptive QoS class allocationacquisition of allocation policyreinforcement learning
 Summary | Full Text:PDF(858.1KB)

All-Optical Monitoring Path Computation Using Lower Bounds of Required Number of Paths
Nagao OGINO Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/08/01
Vol. E95-B  No. 8  pp. 2576-2585
Type of Manuscript:  PAPER
Category: Network
Keyword: 
all-optical networkmonitoring pathsingle-link failurepath computationlower bounds of required number of paths
 Summary | Full Text:PDF(1MB)

Telecommunications Network Planning Method Based on Probabilistic Risk Assessment
Nagao OGINO Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3459-3470
Type of Manuscript:  PAPER
Category: Network
Keyword: 
network planningrobustness against extraordinary trafficprobabilistic risk assessmentcapacity dimensioningtraffic rerouting
 Summary | Full Text:PDF(1.2MB)

An Inter-Domain Path Computation Scheme Adaptive to Traffic Load in Domains
Nagao OGINO Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/04/01
Vol. E93-B  No. 4  pp. 907-915
Type of Manuscript:  PAPER
Category: Network
Keyword: 
inter-domain path computationadaptation to traffic loadpath establishment delayoptimality of path computationcomputer simulation
 Summary | Full Text:PDF(813.1KB)

An Efficient Multicast Forwarding Method for Optical Bursts under Restricted Number of Burst Replicas
Nagao OGINO Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/03/01
Vol. E92-B  No. 3  pp. 828-837
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical burst switching networkmulticast forwarding methodrestricted number of replicationsoutput port scorecomputer simulation
 Summary | Full Text:PDF(620.6KB)

Adaptive QoS Class Allocation Schemes in Multi-Domain Path-Based Networks
Nagao OGINO Hajime NAKAMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/03/01
Vol. E92-B  No. 3  pp. 898-908
Type of Manuscript:  PAPER
Category: Network
Keyword: 
multi-domain path-based networkend-to-end QoS guaranteeadaptive QoS class allocationestimation of policyMarkov decision theory
 Summary | Full Text:PDF(563KB)

Optical Network Design Considering Transmission Equipment Failure and the Maintenance of Two Transmission Lines
Nagao OGINO Hideaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/08/01
Vol. E89-B  No. 8  pp. 2134-2142
Type of Manuscript:  PAPER
Category: Fiber-Optic Transmission for Communications
Keyword: 
optical network designtransmission equipment failuremaintenance of multiple transmission linesmathematical programming model
 Summary | Full Text:PDF(530.1KB)

A Decentralized Optical Bursts Routing Based on Adaptive Load Splitting into Pre-Calculated Multiple Paths
Nagao OGINO Naritoshi ARAHATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Vol. E88-B  No. 12  pp. 4507-4516
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Section on Autonomous Decentralized Systems)
Category: Traffic issues
Keyword: 
optical burst switching networkdecentralized routing based on multiple pathsprobabilistic selection of a pathautonomous adjustment of load splitting ratioadaptability to traffic variation
 Summary | Full Text:PDF(2.1MB)

A Distributed Route Computation Method to Promote Bandwidth Sharing between Backup Lightpaths
Nagao OGINO Hideaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/10/01
Vol. E88-B  No. 10  pp. 3930-3940
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Photonic Network Technologies)
Category: 
Keyword: 
survivable optical networkshared mesh restorationdistributed route computationmodified link weightMarkov decision theory
 Summary | Full Text:PDF(1.4MB)

Deflection Routing for Optical Bursts Considering Possibility of Contention at Downstream Nodes
Nagao OGINO Hideaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Vol. E88-B  No. 9  pp. 3660-3667
Type of Manuscript:  PAPER
Category: Network
Keyword: 
optical burst switching networkdeflection routingselection priority of outgoing routesexpected route distancecontention at downstream nodes
 Summary | Full Text:PDF(1.2MB)

Routing and Re-Routing of Reliable Label Switched Paths with Variable Bandwidths in MPLS over Optical Networks
Nagao OGINO Hideaki TANAKA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/07/01
Vol. E87-B  No. 7  pp. 1834-1843
Type of Manuscript:  Special Section PAPER (Special Section on Next Generation Networks Software)
Category: Optical Network Operation
Keyword: 
MPLS over optical networkreliable label switched pathroutingre-routingperformance of LSP establishment
 Summary | Full Text:PDF(1.6MB)

Cost Analysis in Survivable IP/MPLS over WDM Networks
Nagao OGINO Masatoshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/08/01
Vol. E86-B  No. 8  pp. 2472-2481
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
IP/MPLS over WDMfault recoveryLSP protectioninitial network costmathematical programming
 Summary | Full Text:PDF(1.5MB)

Optimum Light-Path Pricing in Survivable Optical Networks
Nagao OGINO Masatoshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/08/01
Vol. E86-B  No. 8  pp. 2358-2367
Type of Manuscript:  Special Section PAPER (Special Issue on Photonic IP Network Technologies for Next Generation Broadband Access)
Category: 
Keyword: 
optical network planninglight-path pricingobtained profitlight-path recovery modecompetitive market-oriented model
 Summary | Full Text:PDF(2.3MB)

Proposal of a Price-Based Inter-AS Policy Routing to Improve ASes' Profits
Nagao OGINO Masatoshi SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/01/01
Vol. E85-B  No. 1  pp. 137-146
Type of Manuscript:  Special Section PAPER (Special Issue on Internet Technology II -- Traffic Control and Performance Evaluation in the Internet)
Category: 
Keyword: 
routing policyinter-AS routingpricing schemeeconomic efficiencyMarkov decision theory
 Summary | Full Text:PDF(1.1MB)

MARM: An Agent-Based Adaptive QoS Management Framework
Tatsuya YAMAZAKI Masakatsu KOSUGA Nagao OGINO Jun MATSUDA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/01/01
Vol. E84-B  No. 1  pp. 63-70
Type of Manuscript:  PAPER
Category: Network
Keyword: 
adaptive QoS managementmulti-agent systemdistributed multimedia applicationvideo application
 Summary | Full Text:PDF(14.2MB)

A Distributed Multimedia Connection Establishment Scheme in a Competitive Network Environment
Nagao OGINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/06/25
Vol. E82-B  No. 6  pp. 819-826
Type of Manuscript:  Special Section PAPER (Special Issue on Distributed Processing for Controlling Telecommunications Systems)
Category: 
Keyword: 
connection establishment schememarket-based distributed resource allocationcompetitive network environmentmultimedia connectionmutual selection
 Summary | Full Text:PDF(615.1KB)

A Multicast Routing Method for Layered Streams
Nagao OGINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/05/25
Vol. E82-B  No. 5  pp. 695-703
Type of Manuscript:  PAPER
Category: Communication Networks and Services
Keyword: 
multicast routinglayered streampacket filteringweighted greedy algorithmshared tree type routing protocols
 Summary | Full Text:PDF(688.3KB)

Negotiation Protocol for Connection Establishment with Several Competing Network Providers
Nagao OGINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/05/25
Vol. E81-B  No. 5  pp. 1077-1086
Type of Manuscript:  PAPER
Category: Communication Software
Keyword: 
connection establishmentnegotiation protocolopen competitive biddingmutual selectionadaptation strategy
 Summary | Full Text:PDF(775.9KB)

Service Interaction Resolution by Service Node Installed out of the Network
Nagao OGINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1997/10/25
Vol. E80-B  No. 10  pp. 1537-1546
Type of Manuscript:  PAPER
Category: Communication Software
Keyword: 
service interactionservice nodeconcentrated resolution methodfeature interaction tablebasic call processing state model
 Summary | Full Text:PDF(769.4KB)

Application of Neural Network in ATM Call Admission Control Based on Cell Transfer State Monitoring with Dynamic Threshold
Nagao OGINO Yasushi WAKAHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1995/04/25
Vol. E78-B  No. 4  pp. 465-475
Type of Manuscript:  Special Section PAPER (Special Issue on Traffic and Quality Control for Communication Networks)
Category: 
Keyword: 
B-ISDNATMtraffic controlcall admission controlneural network
 Summary | Full Text:PDF(921.6KB)