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| # Network | ||
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| ## Checklist - Network Newbie | ||
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| - [ ] **OSI model** | ||
| - [ ] What layers the OSI model has and what is the purpose of each one of them? | ||
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| - [ ] **Ethernet** | ||
| - [ ] What is CSMA/CD and how it works? | ||
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| - [ ] **MAC address** | ||
| - [ ] What is it used for? Is it unique? | ||
| - [ ] How many bits are in a MAC address? | ||
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| - [ ] **IP address** | ||
| - [ ] What is it used for? Is it unique worldwide? | ||
| - [ ] What are the two parts of an IP address? | ||
| - [ ] How many bits are in an IP address? | ||
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| - [ ] **Subnets** | ||
| - [ ] Two hosts are on the same subnet if they have the same '_____' | ||
| - [ ] What is a netmask? | ||
| - [ ] What two syntaxes exist for expressing a netmask? | ||
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| - [ ] **ARP** | ||
| - [ ] Which layer of the OSI model do ARP belong to? | ||
| - [ ] What ARP table includes? | ||
| - [ ] Give an example of how ARP protocol works | ||
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| - [ ] **IP** | ||
| - [ ] What it defines? | ||
| - [ ] What is a routing table? When is it being used? | ||
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| - [ ] **TCP** | ||
| - [ ] What are the differences between TCP and UDP? When would you prefer to use TCP over UDP? | ||
| - [ ] What is a "three-way handshake"? | ||
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| - [ ] **UDP** | ||
| - [ ] Why UDP considered to be unreliable when compared to TCP? | ||
| - [ ] Which layer of the OSI model do UDP belong to? | ||
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| - [ ] **DHCP** | ||
| - [ ] How DHCP client locates the DHCP server? | ||
| - [ ] Does the client has to be on the same local network as the server? | ||
| - [ ] How the exchange between client and the server looks like? what steps are included? | ||
| - [ ] Is it using TCP or UDP? | ||
| - [ ] What ports is it using? | ||
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| - [ ] **Netowrk Devices** | ||
| - [ ] What is a HUB? | ||
| - [ ] What is a Switch? | ||
| - [ ] Forwarding table or (aka forwarding information base) | ||
| - [ ] What is a Router? | ||
| - [ ] What are differences between the three devices above? | ||
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| - [ ] **Delivery schemes** | ||
| - [ ] What is unicast? | ||
| - [ ] What is multicast? | ||
| - [ ] What is broadcast? | ||
| - [ ] What is the broadcast address? | ||
| - [ ] What protocols use broadcast? | ||
| - [ ] What is a broadcast domain? | ||
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| - [ ] **VLAN** | ||
| - [ ] What are the advantages of using VLAN? | ||
| - [ ] What is the range for VLAN IDs? | ||
| - [ ] What is a trunk port? | ||
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| - [ ] **Topologies** | ||
| - [ ] Bus topology | ||
| - [ ] Ring topology | ||
| - [ ] Star topology | ||
| - [ ] Tree topology | ||
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| - [ ] **IP** | ||
| - [ ] What layer of OSP model it belongs to? | ||
| - [ ] IPv4 | ||
| - [ ] IPv6 | ||
| - [ ] Why IPv6 is needed if IPv4 exists? | ||
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| - [ ] **ICMP** | ||
| - [ ] What is it used for? | ||
| - [ ] How do you use it? | ||
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| - [ ] **NAT** | ||
| - [ ] What is it and why it's needed? | ||
| - [ ] What is SNAT? how it is different from NAT? | ||
| - [ ] What is DNAT? how it is different from SNAT? | ||
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| ## Intermediate | ||
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| - [ ] **Routing** | ||
| - [ ] Distance Vector Routing | ||
| - [ ] "Count-to-infinity" problem | ||
| - [ ] Dijkstra's algorithm | ||
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| - [ ] **TCP** | ||
| - [ ] Silly window syndrome | ||
| - [ ] Nagle's algorithm | ||
| - [ ] Clark's solution | ||
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| ## Linux Networking | ||
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| - [ ] **Commands** | ||
| - [ ] ping | ||
| - [ ] ip addr | ||
| - [ ] ip neigh | ||
| - [ ] ip link | ||
| - [ ] ip route | ||
| - [ ] ip netns | ||
| - [ ] ethtool | ||
| - [ ] netstat | ||
| - [ ] traceroute | ||
| - [ ] tcpdump | ||
| - [ ] mtr | ||
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| - [ ] **ARP** | ||
| - [ ] How to view the contents of the ARP cache? | ||
| - [ ] How to initiate an ARP request manually? | ||
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| - [ ] **MTU** | ||
| - [ ] How to see what is the MTU of a given interface? | ||
| - [ ] How do you set MTU? | ||
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| - [ ] **Namespaces** | ||
| - [ ] How to create & delete namespaces? | ||
| - [ ] How to enter a specific namespace? | ||
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| - [ ] **Routing* | ||
| - [ ] How to display the routing table? | ||
| - [ ] How to print the IP address of each router that an IP packet traverses along its path to its destination? | ||
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| - [ ] **ICMP** | ||
| - [ ] How do you use it? | ||
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| ## Academic Level | ||
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| - [ ] **Digital Modulation** | ||
| - [ ] What is Amplitude Shift keying? | ||
| - [ ] What is Frequency Shift Keying? | ||
| - [ ] What is Phase Shift keying? | ||
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| - [ ] **Multiplexing** | ||
| - [ ] What is it used for and how it works? | ||
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| - [ ] **Wireless networks** | ||
| - [ ] The hidden terminal problem | ||
| - [ ] The exposed terminal problem | ||
| - [ ] **MACA** | ||
| - [ ] What is RTS? | ||
| - [ ] What is CTS? | ||
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| - [ ] **ALOHA** | ||
| - [ ] Pure | ||
| - [ ] Slotted | ||
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| - [ ] **Noisy-channel coding theorem** | ||
| - [ ] Shannon capacity/limit | ||
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| - [ ] **CSMA** | ||
| - [ ] The Binary Exponential Backoff Algorithm | ||
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| - [ ] **Stop and Wait** | ||
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| - [ ] **The adaptive tree walk** | ||
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| - [ ] **Cryptography** | ||
| - [ ] Symmetric | ||
| - [ ] Asymmetric | ||
| - [ ] Digital Signature | ||
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| - [ ] **Error Detection** | ||
| - [ ] Parity Bit | ||
| - [ ] Checksum | ||
| - [ ] CRC code | ||
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| - [ ] Data transmission | ||
| - [ ] Piggybacking | ||
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| - [ ] **Error Correction** | ||
| - [ ] Hamming Code | ||
| - [ ] Reed Solomon code | ||
| - [ ] The NASA binary convolutional code | ||
| - [ ] Low-Density Parity Check code | ||
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| ## Cloud Networking (OpenStack Neutron) | ||
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| - [ ] **Components** | ||
| - [ ] API Server | ||
| - [ ] Plugins | ||
| - [ ] Agents | ||
| - [ ] Messaging Queue | ||
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| - [ ] **Entities** | ||
| - [ ] Network | ||
| - [ ] Router | ||
| - [ ] Port | ||
| - [ ] Subnet | ||
| - [ ] Security Group | ||
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| - [ ] **ML2 Plugin** | ||
| - [ ] What is it used for? | ||
| - [ ] Explain type drivers | ||
| - [ ] Explain mechanism drivers | ||
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| - [ ] **dnsmasq*** | ||
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| - [ ] **Floating IP** | ||
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| - [ ] **Provider Network** | ||
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| ## Books | ||
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| Author | Title | Comments | ||
| :------ |:------:|:--------: | ||
| James Kurose & Keith Ross | Computer Networking: A Top-Down Approach | Great for beginners | ||
| Andrew S. Tanenbaum | Computer Networks | Commonly used by academic networking courses | ||
| Richard Stevens | TCP/IP illustrated | | ||
| Richard Stevens | UNIX Network Programming | | ||
| OccupyTheWeb | Linux Basics for Hackers: Getting Started with Networking, Scripting, and Security in Kali | Includes a chapter on wireless networking | ||
| Evi Nemeth & Garth Snyder & Trent R. Hein & Ben Whaley & Dan Mackin | UNIX and Linux System Administration Handbook | A great book on Linux and there is a dedicated chapter for Linux networking | ||
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| ## Videos - Basic Networking Concepts | ||
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| Presenter | Video | Length | Level | ||
| :------ |:------|:------:|:--------: | ||
| Rene Molenaar | [Address Resolution Protocol (ARP) Explained](https://www.youtube.com/watch?v=xTOyZ6TWQdM) | 00:05:13 | Beginner | | ||
| Eli the Computer Guy | [The OSI Model Demystified](https://www.youtube.com/watch?v=HEEnLZV2wGI) | 00:18:40 | Beginner | | ||
| Pieter De Decker | [Hub, Switch or Router? Network Devices Explained](https://www.youtube.com/watch?v=Ofjsh_E4HFY) | 00:07:39 | Beginner | | ||
| Pieter De Decker | [How Network Address Translation Works](https://www.youtube.com/watch?v=QBqPzHEDzvo) | 00:10:04 | Beginner | | ||
| Pieter De Decker | [How DHCP Works](https://www.youtube.com/watch?v=RUZohsAxPxQ) | 00:07:55 | Beginner | | ||
| Pieter De Decker | [UDP and TCP: Comparison of Transport Protocols](https://www.youtube.com/watch?v=Vdc8TCESIg8) | 00:11:34 | Beginner | | ||
| Ricky Tapia | [CSMA/CD](https://www.youtube.com/watch?v=IAKncL67Pp4) | 00:04:01 | Beginner | | ||
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| ## Videos - Linux | ||
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| Presenter | Video | Length | Level | ||
| :------ |:------|:------:|:--------: | ||
| David Mahler | [Introduction to Linux Network Namespaces](https://www.youtube.com/watch?v=_WgUwUf1d34) | 00:25:50 | Beginner | | ||
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| ## Videos - OpenvSwitch | ||
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| Presenter | Video | Slides | Length | Level | ||
| :------ |:------|:------:|:--------:|:--------: | ||
| David Mahler | [Introduction to Open vSwitch](https://www.youtube.com/watch?v=rYW7kQRyUvA) | | 00:14:35 | Beginner | | ||
| David Mahler | [An Introduction to Open vSwitch](https://www.youtube.com/watch?v=_PCRNUB7oNw) | [Slides](http://openvswitch.org/slides/openvswitch.en-2.pdf)| 00:35:49 | First half beginners, second half intermediate level | | ||
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| ## Videos - OpenFlow | ||
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| Presenter | Video | Length | Level | Comments | ||
| :------ |:------|:------:|:--------:|:--------: | ||
| David Mahler | [Introduction to OpenFlow](https://www.youtube.com/watch?v=l25Ukkmk6Sk) | 00:15:25 | Beginner | | | ||
| Steven Wallace | [Describes the OpenFlow flow table](https://www.youtube.com/watch?v=-xLQHld3fPI) | 00:03:00 | Beginner | | | ||
| David Mahler | [OpenFlow with multiple Flow Tables](https://www.youtube.com/watch?v=TD5wmoD7XOE) | 00:09:30 | Intermediate | | | ||
| David Mahler | [OpenFlow flow entries on Open vSwitch (OVS)](https://www.youtube.com/watch?v=FyV4MoQ3T0I) | 00:14:22 | Intermediate | Required Knowledge: Open vSwitch | | ||
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| ## Videos - OpenStack Neutron | ||
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| Presenter | Video | Length | Level | Comments | ||
| :------ |:------|:------:|:--------:|:--------: | ||
| [Shalu George & Naveen Joy] | [Neutron networking demystified for beginners](https://www.youtube.com/watch?v=c-x90PZFv8k) | 00:39:53 | Beginner | 2017 | | ||
| David Mahler | [Introduction to OpenStack Neutron](https://www.youtube.com/watch?v=yqFpyubsYfE) | 00:19:38 | Beginner | | | ||
| Assaf Muller | [Introduction to OpenStack Neutron](https://www.youtube.com/watch?v=IGGgVuZe7UA) | 00:33:20 | Beginner | | | ||
| Rossella Sblendido | [I Can't Ping My VM! Learn How to Debug Neutron and Solve Common Problems](https://www.youtube.com/watch?v=aNA8Pvewu2M) | 00:42:16 | Intermediate | Required Knowledge: neutron basics | | ||
| David Mahler | [OpenStack Neutron Packet Walkthrough (DVR)](https://www.youtube.com/watch?v=7IXEtUEZslg) | 00:44:56 | Intermediate | Required Knowledge: neutron, openvswitch, namespaces and openflow | | ||
| Mohamed Elsakhawy | [Neutron- Where Did My Packets Go?](https://www.youtube.com/watch?v=uKgMp5c6R-4) | 00:39:32 | Beginner | | |
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