Optical Transport Networks Training

Overview

Optical Transport Networks are composed of a set of Optical Network Elements connected by optical fibre links to provide functionality of transport, multiplexing, routing, management, supervision and survivability of optical channels carrying client signals.

Optical transport networks consist of the networking capabilities and the technology required to support them.

In accordance with [ITU-T G.805] and [ITU-T G.800], the OTN is decomposed into independent transport layer networks where each layer network can be separately partitioned in a way which reflects the internal structure of that layer network.

G.872, the Architecture of optical transport networks) defines the building blocks of an OTN as Digital layer, OCh-layer and Media).The digital OTN layered structure is comprised of digital path layer networks (ODU) and digital section layer networks (OTU).

The OTN is provisions the transport for any digital signal independent of client-specific aspects, i.e. client independence.

Optical transport network (OTN) training course is designed for anyone in need of a good understanding of the OTN and related technologies.

What you will Learn

Describe SONET/SDH/DWDM transmission technologies
Understand the basics concepts of an OTN
Describe IP/MPLS and MPLS-TP transport technologies
Identify the features, functionalities, architecture and building blocks of OTN Systems
Identify the new requirements for IP over DWDM architecture
Understand Optical Transport Networking (OTN) with G.709 Interfaces

PREREQUISITES

CURRICULUM

Learning Objectives:

What is Optical transport network (OTN)?
Strategies for handling growth in packet-switched traffic
Packet-switched network based on multi-protocol label switching (MPLS) technology
Switching in the core network occurs on a packet basis at every node
A circuit-switched infrastructure based on an optical transport network (OTN)
Metropolitan Optical Network (MON)

Learning Objectives:

Services, Transport, Framing and Optical
Aggregation and Transport Technologies
Current Trends in Transport Networks
TDM Centric to Packet Centric Transport
Convergence of Packet and TDM Transport
SONET/SDH
DWDM, CWDM
First Gen DMDM Networks (pre-OTN)
Optical Ethernet
Resilient Packet Ring
A-PON, B-PON, G-PON, and E-PON
Optical networking using wavelength-division multiplexing (WDM)
Interfaces for the optical transport network
Transport Architecture Evolution
Evolution of Transport Networks
MPLS, OTN, and DWDM
Optical OTN (ROADM)
Electrical OTN
PBB-TE
MPLS-TP
IP/MPLS
MPLS-TP as a transport oriented packet aggregation technology
MPLS-TP Building Blocks and Network Architectures

Learning Objectives:

Metro
Core
Switch Node
L3-services
L2-services
OTN, OC-x and Eth
λ-service: Layer 0/1
Packet, OTN and DWDM

Learning Objectives:

The OTN Approach
IP, OTN and DWDM
Network View
Electrical: Client Mapping,
Connection Multiplexing
Grooming, Monitoring
OTN management
OTN protection
Protection/Restoration
Optical Layer
Add/Drop, Express, Protection/Restoration
Basic signal structure
OTN interface structure
Multiplexing/mapping principles and bit rates
Optical transport module
What is an Optical channel (OCh)?
Optical channel transport unit
Optical channel data unit
Optical channel payload unit
OTM overhead signal (OOS)
Maintenance signals
Mapping of client signals
Concatenation

Learning Objectives:

Information structure for OTN interfaces
Multiplexing/mapping principles and bit rates
Mapping
Wavelength division multiplex
Bit rates and capacity
ODUk time-division multiplex
OTN networking
OTN management
OTN protection

Learning Objectives:

Multi-Service Clients
SONET/SDH
GigE
Ethernet
SAN
Digital Domain
Interface for the optical transport network (OTN)
Optical Channel (OCh)
ITU G.694.1
Assoc OH
Optical Domain
Non Assoc OH (OSC)
Optical Multiplex Section (OMS)
Optical Transport Section (OTS)
Architecture of optical transport networks
Network requirements and architectural framework of the Optical Transport Network Framing & Interfaces
Framing structure (digital wrapper), overhead bytes
multiplexing, and payload mappings for all payload types
Optical transport network physical layer interfaces
Equipment Functions
Characteristics of optical transport network (OTN) equipment functional blocks
The control of jitter and wander within the
Network Management
Management aspects of the optical transport network element
Optical transport network (OTN) protocol-neutral management information model for the network element view
Optical transport network (OTN) management information model
Generic framing procedure (GFP)
Link capacity adjustment scheme (LCAS) for virtual concatenated signals
Optical interfaces for intra-office systems
Common equipment management function requirements
Characteristics of transport equipment – Description methodology and generic functionality
Automatic switched transport networks (ASTN)
Architecture for the automatically switched optical network (ASON)
SDH/SONET
IP based services
Ethernet services
ATM services
Frame Relay services
Audio/Video services

Learning Objectives:

OTN Application
OTN
Switching
OTN Multiplexing
OTN DWDM Transport
Control and OAM&P
GMPLS
ASON
WSON

Learning Objectives:

Signal
OTU1
OTU2
OTU2e
OTU3
OTU3e2
OTU4

Learning Objectives:

ODU0
ODU1
ODU2
ODU2e
ODU3
ODU3e2
ODU4
ODUflex (CBR)

Learning Objectives:

OTM with reduced functionality (OTM-m, OTM-nrm, OTM-mvn)
OTM with full functionality (OTM-nm)
Physical specification of the ONNI
OTM-m
OTM-nrm
OTM-nm
OTM-mvn
Optical channel (OCh)
OCh with full functionality (OCh)
OCh with reduced functionality (OChr)
Optical channel transport unit (OTU)
OTUk frame structure
Scrambling

Learning Objectives:

ODUk frame structure
ODUk bit rates and bit-rate tolerances
Optical channel payload unit (OPUk)
OTM overhead signal (OOS)

Learning Objectives:

Types of overhead
Trail trace identifier and access point identifier definition
OTS OH description
OMS OH description
OCh OH description
OTUk/ODUk frame alignment OH description
OTUk OH description
ODUk OH description
OPUk OH description

Learning Objectives:

OTS maintenance signals
OMS maintenance signals
OCh maintenance signals
OTUk maintenance signals
ODUk maintenance signals
Client maintenance signal

Learning Objectives:

OPUk client signal fail (CSF)
Mapping of CBR2G, CBR10G, CBR10G3 and CBR0G signals into OPUk
Mapping of ATM cell stream into OPUk
Mapping of ATM cell stream into OPUk (k=0,1,2,3)
Mapping of GFP frames into OPUk (k=0,1,2,3,,flex)
Mapping of a non-specific client bit stream into OPUk
Mapping of other constant bit-rate signals with justification into OPUk
Mapping a 1000BASE-X and FC-1200 signal via timing transparent transcoding into OPUk
Mapping a supra-2 CBR Gbit/s signal into OPUflex
FC-00 and FC-00
FC-100
Concatenation
Mapping ODUj signals into the ODTU signal and the ODTU into the HO OPUktributary slots
OPUk tributary slot definition
ODTU definition
Multiplexing ODTU signals into the OPUk
OPUk multiplex overhead and ODTU justification overhead
Mapping ODUj into ODTUjk
Mapping of ODUj into ODTUkts
NE Internals
OTN DWDM Side
OTN Bandwidth Management
OTN Client Interfaces

Learning Objectives:

OTS
OMS
OCh
OTU
ODU
client Signal Mapping (G.709)
ODU Multiplexing Hierarchy
Tandem Connection Monitoring (TCM)
Segment Protection/Restoration
Control Plane in Optical Networks
New Developments
Auto discovery of topology
Route computation
Point-and-click provisioning
Service restoration
ODUflex
Tributary Slot Allocation

Learning Objectives:

MPLS/MPLS-TP protection switching
MPLS interworking
MPLS-TP network architecture
MPLS-TP equipment functional architecture
MPLS-TP equipment network management
MPLS-TP interface

FAQs

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