Virtual-Network-and-Cloud-Computing

University Course

Main Arguments:

Introduction to Teaching and Review of IP Networking

17/02/2025:Overview of Networking

• OSI
• TCP/IP reference model
• Ip protocol
• Application layer
• Transport layer
• Network Layer
• Data link layer
• Physical layer
• Ethernet protocols: Broadcast domain & Collision domain
• MAC address
• Switch & MAC address tables
• Time to live

20/02/2025

• IPV4
• IP Address Structures
• Private IP adresses
• NAT
• NAPT
• Subnetting
• ICMP
• ARP
• Routing
• IP Routing Tables
• Longest Matching
• TCP & UDP

25/02/2025

• Background on security principles and protocols
• Network Security
• Zero Trust methodology
• SaaS , PaaS , Iaas
• Common Threats
• Encryption
• Symmetric and Asymmetric encryption
• Hashing
• RSA algorithm
• Replication attacks (playback)
• Digital Signatures
• examples

27/02/2025

• Virtualization
• Virtual Machiine Monitor, Dispatcher, Allocator, Interpreters
• Hypervisors
• Type 1
• Type 2
• Containers

03/03/2025

• Virtual Extensible LAN
• Orizontal and Vertical implementation
• Data Center features
• Uni/Multi tenant
• VXLAN
• Underlay and Overlay Networks
• Tunnelling techniques
• VXLAN packets format
• Forwarding Mechanisms
• BUM packets
• Ethernet VPN (EVPN)

06/03/2025

• Corrections on the previous lesson
• Gateways
• Kubernetes
• pods
• Kubernetes Architecture
• Master and Worker Nodes
• Runtime Interface
• Example: creating a simple pod
• Volumes

11/03/2025

• Volumes
• Namespaces
• Sidecar containers example
• Controllers
• Workload Resources
• Replication Controller
• Replica Set
• Stateful Set
• daemon sets

13/03/2025

• Recap
• Deployments
• Rollout updates
• Rollback
• Lable
• Selector
• Handling Resources
• ConfigMaps
• Secrets
• Kubernetes Networking Model
• Docker vs Container runtimes
• Calico CNI

18/03/2025

• Recap
• IP-in-IP
• VxLAN
• Vxlan in Calico
• obejets
• Service
• Nodeport Service
• Load Balancer Service
• External Service
• Ingress service

20/03/2025

• Serverless Computing and OpenfaaS
• Faas
• Kubernetes and Serverless
• Basic Workflow
• WatchDog
• Classic WatchDog
• OF WatchDog
• Use of Connection (Uso delle Code tipo Kafka)
• Kafka connector
• Autoscaling
• Scaling up from 0 (cold start)

25/03/2025

• Recap
• Markov Processes and Markov Queues
• Service Models
• Loss oriented systems
• Delay oriented systems
• System time diagram
• Model of a queueing system
• Kendal Notation
• Little's Law
• Utilization Factor.
• Chapman-Kolmogorov Equations
• Rate Matrix

27/03/2025:

• Recap
• Homogeneous Markov Chains
• Properties of Markov Chains
• Birth and Death Processes
• Poisson Distribution

01/04/2025:

• Missed lesson

08/04/2025:

• Recap
• "PASTA" property
• Reti di code
• Burke Theorem
• Jackson Theorem
• Markov Decision Processes and Reinforcement Learning
• Transition Dynamics and Reward Structure
• Importance of RL Algorithms
• The RL Process
• Reward Hypothesis
• Discrete vs Continuous Action Spaces
• Reward and Discounting

10/04/2025:

• Recap
• Exploration vs Exploitation
• Policies and values functions
• Policy-based Methods
• Value-based Methods
• State Value anf Action Value Functions
• Bellman Equations
• SARSA
• Q-learning
• Off-policy vs On-policy
• Deep Q-learning

15/04/2025:

• Recap
• From Q-Learning to Deep Q-Learning
• Deep Q-Learning algorithm
• DQN workflow
• Policy based methods
• Policy Gradient & Policy Methods
• Policy Gradient Theorem
• A2c
• Proximal policy optimization
• Total Loss Function

29/04/2025:

• Recording and recovery