Chapter 1_Introduction to Open Source Networking Flashcards by Eric Boudreaux

1-What did networking professionals previously rely on?

rigid appliances .. rounting, firewalling, switching, and load balancing.

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1-What does JBOD mean?

Just a bunch of disks

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1-What do server and storage virtualization have in common>?

they have deseggregated the hardware and software to provide agile and flexible systems

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1-Example of network software modules?

Spanning Tree
BGP
OSPF
VRRP
SNMP

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1-What does BGP mean?

Border Gateway Protocol

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1-What does OSPF mean?

Open Shortest Path First

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1-What does VRRP mean?

Virtual Router Redundancy Protocol

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1-What does SNMP mean?

Simple Network Management Protocol

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1-What is Legacy networking based on?

Current Networking Technologies and products

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2-Who produces current networking technologies?

Cisco, HP, juniper

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2-What do current networking technologies have in common?

Form Factor - rack width box, with multiple interface ports.

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2-What are some current networking technology components and architecture?

packet processor, CPU, and it’s memory, flash memory, and software firmware.

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2-What are the main components that every Networking devise consist of? In other words, what does are he components of a fully integrated networking device?

Packet Processor
CPU, along with Ram and flash
Other controllers, such as a fan controller, console port, led controller, interface controllers
software

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3-What is a packet processor?

refers to the wide variety of algorithms that are applied to a packet of data or information as it moves through the various network elements of a communications network.

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3-How are legacy networking devices sold?

as bundles and software

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3-Where is the software stored in a networking bundle?

Flash Memory

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3-Can you decouple a Cisco Router from a Juniper JUNOS?

No, all legacy systems are proritary and will not work with one another

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3-In a Hardware Structure what is connected to the CPU?

Ram
Flash
LED controller
Console Controller
Packet Processor

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3-In a Hardware Structure what is connected to the Packet Processor?

PHY
SFP interface

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3-What does PHY mean?

Physical Layer, which is an electronic circuit, implemented as an integrated circtui, required to implement physical layer functions.

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3-What are some examples of a physical layer function?

OSI models in a network interface controller

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3-What does OSI mean?

Open Systems Interconnection

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3-In a Hardware Structure what is connected to the Packet Processor?

RJ45’s

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3-What are some features of Legacy Networking Systems?

closed
layer 2 switching
latyer 3 routing
run rounting protocols

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3-What are some examples of routing protocols?

RIP OSPF

3-What does RIP mean?

Routing information protocol

3-What is an RJ45?

An 8-pin/8-position plug or jack is commonly used to connect computers onto Ethernet-based local area networks (LAN)

3-Whare are routing protocols used for?

they are used for communicating with each other to perform functions for the network

3-What kind of routing protocol is use4d the build a topology vew of a network?

Link state Routing

3-What is link state rounting?

Link state protocols are also called shortest-path-first protocols. Link state routing protocols have a complete picture of the network topology.

3-What was the main driver of change for the networking industry?

the move to the cloud and building private clouds

4-What resources does a cloud enviroment vitualize?

compute storage network

4-How did companies get the network virtualized?

the community started building vitrual networking to work atop existing legacy systems

4-What are some examples of vitrulization s?

OpenStack Neurtron VMWare NSX

4-What does NFV mean?

Network Function Vitrulization

4-What is the Open Compute Project>?

donated hardware and software design donated by Facebook

5-How can a single processor run Windows and Linux?

the BIOS

5-BIOS is a key piece to allow?

basic communication bwtween the OS and underlying hardware.

5-What does the BIOSdo?

helps the computer run an OS kernel

What does SDN stand for?

Software Defining Network

5-What does ONIE stand for?

Open Network Install Environment

What does ONIE allow?

OS's to be installed on a switch in the router and take control of packet processing

5-What does the ONIE do?

Disaggregates the hardware and software

5-What does disaggregating the hardware and software allow?

For the insallation of any network operating system

5-What are some examples of the NOS?

Pica8, Cumulus, ONL, OPpen Switch

6-What festures do modern networking bring?

flexible packet forwarding vendor-agnostic analytics disaggregation integration with the cloud

6- What does SDN mean?

Software-Defined Network

6- What are the different ways to build and SDN network?

Rip and Replace Overlay Hybrid

6-What is another term for Rip and Replace?

Direct Fabric Programming

6-What manages the networking devices in a rip and replace?

SDN controller cluster

6-How are the newtorking devices managed?

By a forwarding table such as OpenFlow

6-in rip and replace, do the neworking devices run routing protocl?

No. Instead they are run by the SDN controller

6-What is OVerlay?

Method is built on top of another system, however the underlying network is unaware oif the overlay network

6-What are some examples of overlay?

VMware NSX, openstack Neturon, Tungsten Fabric

6-What does VXLAN mean?>

Virtual Extensible Local Area Networks

7-layer 1 of OSN

1. Disaggregated Hardware

7-layer 2 of OSN

IO abstraction and datapath

7-layer 3 of OSN

newtork operating systemsn

7-layer 4 of OSN

network control

7-layer 5 of OSN

network viortulization

7-layer 6 of OSN

cloud and virtual management

7-layer 8 of OSN

Orchestration, management and policy

7-layer 9 of OSN

Network Data Analysis

7-layer 3 of OSN

Application layer

8-What is the main requirement for Open Hardware?

to have software separated from hardware

8-What are the simplest forms of open networking hardware?

standard PC Server with multiple network adapter cards

8-Bare Metal?

standard hardware that can be purchased from an off the shelf market

9-what is another name for a router?

48 port switch

9-What does IO abstraction hardware do?

allows vendors to program the hardware

SAI?

Switcvh Abstraction Interface

SDK?

software development kit

API

application programming interface (API)

What is a network operating system?>

operating system that runs on the management plane of a network device.

Network Control Layer

that can manage multiple network operating systems via agents and protocols