Note there is information loss, when mapping a mind map to a indented list.

Telematik

11: Access Networks

ISDN

• B-Channel

• CSMA-CD

  • D-Channel
  • E-Channel

DSL

• Components

  • BRAS
  • DSLAM
  • Splitters
  • Modem

• Variants

  • (A)DSL
  • VDSL

TV-Cable

• CMTS

• Hubs

  • Shared Medium

(Powerline)

02: Router

Data & control path

Forwarding table

Longest prefix matching

Efficinet prefix search

CAM/TCAM

Buffer placement

Head of line blocking

03: Internet Routing

Transit and peering

Autonomous Systems

• Classifications

Control path

EGP

• BGB

IGP

• OSPF

• RIP

• MPLS

  • Micro-/ macro flows

  • 04: Label switching

    • Label binding

      • Assignment to FEC

    • label distribution

      • RSVP-TE

        • Path message
        • Resv message

  • VPNs with Stacking

05: SDNs

Separation of control and data plane

Centralized controller

• connection to switches

  • In-band
  • Out-of-band

• multiple controllers

Flow tables

Proactive / reactive

Architecture (N/S/W/E)

Open Flow

• Primitives

• Switch architecture

  • Group tables
  • Ports
  • Flow tables
  • Meter Table

self learning switches

06: Network Function Virtualization

Virtualization

• KVM
• Container
• Full

Network functions

Service Function Chaining

07: Internet Congestion Control

Flow vs. congestion control

Congestion signals

TCP Tahoe

TCP Reno

• DupAcks
• Fast retransmit
• Fast recovery

Self-clocking, conservation of packets

Slow start TCP Fairness

Peridodic model

Active Queue Management

• Explicit Congestion Notification
• Random Early Detection

08: Ethernet Evolution

Spanning Tree Protocol

Aloha / Slotted Aloha

CSMA/CD

Ethernet variants

Transparent bridges

09: Data Center Networking

K-Pod Fat Tree

• Construction
• Routing
• Addressing

Ethernet

• Extensions

  • Data Center Bridge Exchange Protocol

  • Priority-based flow control

    • Supports QoS
    • Q-Header
    • Pause Frame

  • Enhanced Transmission Selection

    • Priority based bandwidth guarantee

  • Quantized Congestion Notification

    • End-to-End

• Spanning tree alternatives

  • SPB
  • TRILL

TCP

• special conditions

  • Incast problem
  • low RTTs
  • …

• DCTCP

10: TCP evolution

CUBIC TCP

TCP options, SACK

Handle large BDP

Window scaling

SYN cookies

Multipath TCP

TCP FastOpen

HTTP/2

QUIC