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SD-WAN & Network Architecture

SD-WAN sits on top of the underlay. This is where routing behaviour, traffic steering and network design are defined.

Focus
Overlay / routing / traffic management
Topics
0 of 7 written
  1. 01

    SD-WAN concepts and technology

    What SD-WAN is, what it replaces and where it falls short.

    planned
  2. 02

    Network architecture design

    Hub-and-spoke, full mesh, regional hubs and cloud-centric designs.

    planned
  3. 03

    Routing protocols (BGP, OSPF, static)

    How sites, carriers and clouds exchange routes, with BGP in depth.

    planned
  4. 04

    Traffic prioritization & QoS

    Classification, marking, queuing and why QoS fails at the edge.

    planned
  5. 05

    Network segmentation / VLANs

    VLANs, VRFs and how they keep traffic separate.

    planned
  6. 06

    WAN optimization

    Compression, caching and protocol acceleration, and when they still help.

    planned
  7. 07

    Underlay vs overlay

    The mental model that ties connectivity and SD-WAN together.

    planned