Metro Ethernet Services for Carrier Class Networks

4 Day Course
Code PDN042

This course has been retired. Please view currently available Next Generation Network Training Courses.


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What services carriers need from their infrastructure (5 topics)

  • Bandwidth for services
  • Customer Interfaces
  • Carrier Network Interfaces
  • QoS and Protection for Service Level Agreements
  • Evolution mechanisms for service development

Services to be delivered (4 topics)

  • Migration of existing TDM using emulation
  • Business Ethernet LAN services
  • Customer VLAN
  • VoIP , IPTV and Triple Play

Quality and Protection Demands (3 topics)

  • Mechanisms for protection
  • Aggregation
  • Ring switching

Access and Core divisions (3 topics)

  • Requirements for the access
  • Requirements for the core
  • Aggregation network

User Network Interface (UNI) (4 topics)

  • User interface requirements
  • Private networking needs: at layer 2 and/or Layer 3
  • Security and isolation
  • Service models

Management (3 topics)

  • Mechanisms for Management
  • Management protocols and services
  • Automatic capability discovery

Virtual Network Services (2 topics)

  • What are virtualised services?
  • Why are they required?

Topology needs (2 topics)

  • Topology reliability
  • Designing for Service Levels

Point to point services using Pseudo Wires (2 topics)

  • IETF Pseudowire Emulation Edge to Edge (pwe3)
  • Key RFCs

MEF standards (3 topics)

  • What are the MEF Standards?
  • MEF 6.1
  • MEF 10.1 and 10.2

Ethernet Service Attributes (10 topics)

  • Virtual LANs
  • Emulated LAN using multipoint services
  • E-Line Services for Point to Point
  • E-LAN MultiPoint to MultiPoint
  • Physical Interfaces
  • Traffic Parameters
  • Classes of Service
  • Models for carrier services
  • Control Plane vs Data plane
  • Requirements for requested QoS and Protection

Ethernet Speed Evolution to 10Gbit/s and beyond (4 topics)

  • How Ethernet Evolved
  • Evolution from 10 Mbit/s LAN to Gigabit Ethernet
  • Impact of Optical transmission
  • Removing the distance limitations

Ethernet switching (4 topics)

  • Bridging functions
  • 802.3ad Learning Bridges
  • Removing Loops
  • 802.1d Spanning Tree and Rapid Spanning Tree

Ethernet Addressing (2 topics)

  • Address characteristics
  • Routability of address structures

Problems with MAC address Tables (7 topics)

  • How MAC addresses are used
  • ARP and IP
  • Limiting MAC address table sizes
  • Mac-in-Mac solutions
  • Multicasting
  • IGMP
  • Multicasting over Ethernet

Mechanisms for signalling Ethernet characteristics (4 topics)

  • GARP and GMRP
  • Tag Headers
  • IEEE802.1Q VLANs
  • GVRP

Overcoming the VLAN limit (7 topics)

  • Using VLANs within customer environments
  • VLANs in Carrier Environments
  • Service Separation
  • Impacts on Security
  • What limits the number of VLANs
  • Scaling Services
  • Q-in-Q solutions

Analysing What Identifies QoS (5 topics)

  • Bandwidth
  • Delay
  • Delay variation
  • Availability
  • Access to Service Features

Delivering Bandwidth and Delay (3 topics)

  • Understanding Queues
  • Sizing for Service quality
  • QoS Signalling

Exploiting Tag Headers for QoS (4 topics)

  • Mapping QoS across the Transport network
  • IEEE802.1P/Q
  • Layer 2 vs Layer 3 QoS
  • Differentiated Services

Understanding Reliability and Availability (4 topics)

  • MTTF and MTTR
  • Calculating Availability
  • Impact of Redundancy
  • Independence of Services

Mechanisms for Improving Reliability (4 topics)

  • Topology considerations
  • Mesh
  • Ring
  • Trees

Comparing Layers 1, 2 and 3 protection (3 topics)

  • Physical switching
  • Layer 2 switching
  • Layer 3 rerouting

Ethernet Aggregation (3 topics)

  • Aggregation groups
  • Aggregation for bandwidth improvement
  • Protection using Aggregated Services

Example aggregation network applications (2 topics)

  • IPTV service protection
  • Aggregation for bandwidth increase

Delivering High Performance Core Services (4 topics)

  • The Key Core Objectives
  • Scaling the problems of routing
  • Routing vs switching in the core
  • Cache Sizes

Label switching concepts (12 topics)

  • What is a label?
  • Normal hop-by-hop routing
  • Creation of Labels
  • Distribution of Labels
  • Function of Label switching
  • Forward Equivalence Class (FEC)
  • Label Edge Switches
  • Label Distribution Protocol
  • Explicit routed Label Switched Paths
  • Constraint routed Label Switched Paths
  • Traffic Engineering
  • Fast Rerouting

Metro Ethernet Service Solutions (14 topics)

  • Service Signalling concepts
  • Virtual Private Wire Services
  • Requirements for Pseudo-Wire Emulation Edge-to-Edge (PWE3)
  • Carrying TDM Legacy Traffic
  • MEF Service Control Word Signalling
  • MAC address Learning
  • Hierarchical Services
  • Deployment over LDP
  • Generalized PWid FEC
  • Learning Actions
  • MAC address withdrawal
  • Scalability
  • Routing Issues for Carrier Deployment
  • Control Plane and Auto Discovery

Delivering QoS (2 topics)

  • Ingress Bandwidth Profiling
  • Egress Bandwidth Profiling

CE-VLAN Services (6 topics)

  • Service Attributes and Parameters
  • Securing the Service
  • Multicasting over VPLS
  • IGMP
  • IGMP snooping
  • Triple-Play Solutions

Deploying Services in Existing Networks (5 topics)

  • Scaling Issues
  • Service Level Agreements
  • MTU issues
  • Operations, Administration and Management
  • Ethernet Service Definitions


Delegates should have a good understanding of IP and WAN principles. They should also understand the basics of Next Generation Networks.

What Our Customers Say

The training was delivered with a high level of expertise and excellence. Instructor was highly knowledgeable.”

Technical Trainer, Aviat Networks

Overall the course was really good, the trainer really understood the material and was very approachable.”

Customer Training Manager, Aviat Networks

Excellent course, informative and well-paced.”

CSE, Cisco

Course was very well outlined. Topics were great and bridged many gaps.”

System Engineer, Cable & Wireless

An excellent intro to video encoding & MPEG transport streams - I would definitely recommend it.”

Broadcast Engineer, Cisco

Definitely an excellent intro. Left me interested in learning more.”

Broadcast Engineer, Eircom

Excellent training course with real examples and practical classroom demonstrations.”

Transport Designer, Orange

Instructor knowledge and experience was excellent.”

Solutions Engineer, Akamai

Excellent course, very clear and well organised. Course content delivery was very good.”

Assistant Engineer, Dhiraagu

Very informative and appropriate.”

Network Support Technician, BT

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