[1] national institute of science & technology optical networking swagat kumar samantaray...
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[1]
Nati
onal In
stit
ute
of
Sci
en
ce &
Tech
nolo
gy
OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
Optical Networks(OPNET)
Presented by
Swagat Kumar Samantaray
Roll # EC200113382
Under the Guidance of
Mr. N. Srinivasu
[2]
Nati
onal In
stit
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of
Sci
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ce &
Tech
nolo
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
INTRODUCATION
• How is the optical network different from existing networks?
• High capacity telecommunication network
[3]
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
HISTORY OF OPNET• First generation Optical Network
• SONET
• SDH
• Second generation Optical Network
• OTDM
• WDM
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
Working of Optical fiber
• Working Principle
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
Categories of Optical Fiber
• Single mode Fiber
• Multi mode Fiber
• Multimode Step index (fine for LAN).
• Multimode graded index
[6]
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
Fiber used in Optical Network
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
BENEFITS OF OPTICAL NETWORK
• Higher Bandwidth Capacity
• Lower Bit Error rates
• Restoration Capability
• Wavelength Services
• Reduced Cost
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
ENABLING TECHNOLOGIES • Development Milestone
EDFA Optical Amplifier(Flat gain Supports WDM)
Tunable Laser
Wavelength Shifter
Optical Cross connect
[9]
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
DWDM System
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
Optical Amplifier
• Narrowband Lasers• Fiber Bragg Gratings• Thin Film Substrates
Optical Network Devices
Wave length Add/Drop Multiplexers Wavelength Switches Wavelength Converters
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
MARKET FOR OPTICAL NETWORKS
Long-Haul Networks Metro Interoffice (IOF) Networks Business-Access Networks
[12]
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
DESIGNS AND PLANNING
Span Designs
• Wavelength Path
• Virtual Wavelength Path
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
NETWORK MANAGEMENT
• Utilization of Optical Network
• Network flexibility
• Dense Wavelength Division Multiplexing
• Optical Gateways
[14]
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
Optical Add/Drop Multiplexers (OADM)
[15]
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
OXC Block Diagram
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
Optical Cross-Connects
• Fiber switching
• Wavelength switching
• Wavelength conversion
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382
CONCLUSION
• End-to-end wavelength services
• Increase Network capacity
• Long-distance networks
• Technologically and economically feasible
[18]
Nati
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nolo
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OPTICAL NETWORKING
Swagat Kumar Samantaray EC200113382