Packet Transport Networks Training

Topic areas covered include:

• Protocol Stacks:
• OSI 7 Layer Model, TCP/IP Model.
• Encapsulation and Decapsulation.
• IPv4 Header Composition:
• Key fields and associated functionality.
• IP Addressing:
• IPv4 address space administration.
• IPv4 address composition.
• Dotted Decimal notation.
• CIDR.
• Subnetting.
• Private Addressing.
• IP Multicasting.
• IPv4 Associated Protocols:
• DHCP (Dynamic Host Configuration Protocol).
• DNS (Domain Name System).
• NAT (Network Address Translation).

Topic areas covered include:

• Multi Protocol Label Switching.
• MPLS Architecture:
• Edge Routers and Core Routers (LER and LSR).
• MPLS Key Concepts:
• MPLS Protocol Stack.
• Label Format.
• Label, Traffic Class, Bottom of Stack, TTL.
• Label Stacking.
• FEC and Label Binding.
• Label Distribution and Binding.
• LDP, RSVP-TE, BGP4.
• MPLS Concept of Operation:
• Packet Forwarding Process.
• ILM, FTN, NHLFE.
• Push, Pop and Swap operations.
• Derivatives of MPLS:
• G-MPLS (Generalized MPLS).
• MPLS-TP (MPLS Transport Profile).
• MPLS Features:
• Traffic Engineering.
• RSVP-TE, CBR.
• Rapid Circuit Restoration.
• One to One and Facility FRR (Fast Reroute).
• Virtual Private Networks.
• Support for Layer 1, 2 and 3 VPNs.

Topic areas covered include:

• Ethernet Basics:
• 802.3 Frame Format.
• Ethernet Switching.
• 802.1Q VLANs and 802.1p.
• Ethernet Timeline.
• Carrier Ethernet Key Attributes:
• E-Line, E-LAN, E-Tree and E-Access services.
• Carrier Ethernet Use Case – Mobile Backhaul.
• Carrier Ethernet Architecture.
• Carrier Ethernet Transport Technologies.
• Ethernet Based Transport Mechanisms:
• Provider Bridges (Q-in-Q or 802.1ad).
• Provider Backbone Bridging (802.1ah).
• Provider Backbone Bridging - Traffic Engineering (802.1ay).
• Mapping Ethernet Transport to CE Services.
• MPLS Based Transport Mechanisms:
• Basic MPLS.
• MPLS Pseudowires.
• MPLS VPLS.
• MPLS Transport Profile.
• Mapping MPLS Transport to CE Services.
• Optical Based Transport Mechanisms:
• Optical Transport Network (IPoDWDM).
• Next Generation SDH.
• Mapping Optical Transport to CE Services.

Topic areas covered include:

• QoS and QoE:
• Factors Influencing QoS.
• Factors Influencing QoE.
• Internet versus Private IP Networks.
• IP Transport Network QoS Solutions.
• Focus on Differentiated Services:
• Per Hop Behaviours.
• EF, BE and AF.
• Packet Conditioning.
• DSCP Example Usage.
• Additional QoS Mechanisms:
• Intserv and RSVP.
• Bandwidth Solution.
• DiffServ in MPLS Networks.
• Diffserv in Ethernet Networks.

Topic areas covered include:

• The Threat Climate:
• Protecting the Network.
• Exploring the Threats to Security:
• The Global Cybercrime Industry.
• Malicious Software.
• Botnets.
• Denial of Service.
• Physical Insecurity.
• Protecting Network Traffic– IPSec:
• IPSec Basics.
• IPSec Modes of Operation.
• Summary of Operation.
• Focus on IPSec Encapsulating Security Payload.
• Internet Key Exchange version 2.
• Public Key Infrastructure (X.509).
• Protecting Network Traffic – TLS:
• TLS Operation.
• TLS Handshake.
• Security Implementation and Management:
• Security Strategy.
• Defence in Depth.
• Disaster Recovery.

Topic areas covered include:

• Timing and Synchronization Basics:
• Timing and Synchronization in Telecommunications.
• Timing and Synchronisation in Packet Switched Networks.
• Hybrid Timing System.
• Network Time Protocol.
• Global Positioning System.
• SyncE (Synchronous Ethernet).
• IEEE 1588v2 - Precision Time Protocol.

Topic areas covered include:

• VoIP Basics:
• Carrier Grade VoIP.
• VoIP Protocols.
• Soft Switching Concepts:
• IP Soft Switch Components.
• Positioning Soft Switches.
• Focus on Sigtran.
• Session Border Controllers:
• SBC Capabilities.
• SBC Architecture.
• SBC Operation Examples.
• IP Packet Exchange (IPX):
• IPX Architecture.
• IPX Connectivity Options.
• VoIP Signalling Considerations:
• SIP-I.
• GCP/H.248:
• Overview.
• Contexts and Terminations.
• Transactions, Commands and Descriptors.
• Real time Transport Protocol:
• RTP Header.
• RTP Payload Formats.
• RTP Control Protocol.
• Example VoIP Procedure (SIP Bridging).