Rust for Network Programming and Automation: Learn to Design and Automate Networks, Performance Optimization, and Packet Analysis with low-level Rust
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About this ebook
Rust for Network Programming and Automation is a pragmatic guide that trains you through Rust to design networks and begin with automating network administration. The book introduces you to
Brian Anderson
Brian Anderson started his security career as a USMC Military Police officer. During his tour in the USMC Brian also served as an instructor for weapons marksmanship, urban combat, building entry techniques and less than lethal munitions. He also took part in the Somalia humanitarian efforts and several training engagements in the Middle East. Brian’s technical experience began when he joined EDS where he became part of a leveraged team and specialized in infrastructure problem resolution, disaster recovery and design and security. His career progression was swift carrying him through security engineering and into architecture where he earned a lead role. Brian was a key participant in many high level security projects driven by HIPAA, PCI, SOX, FIPS and other regulatory compliance which included infrastructure dependent services, multi-tenant directories, IdM, RBAC, SSO, WLAN, full disk and removable media encryption, leveraged perimeter design and strategy. He has earned multiple certifications for client, server and network technologies. Brian has written numerous viewpoint and whitepapers for current and emerging technologies and is a sought out expert on matters of security, privacy and penetration testing. Brian is an avid security researcher with expertise in reverse engineering focusing on vulnerabilities and exploits and advising clients on proper remediation.
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Book preview
Rust for Network Programming and Automation - Brian Anderson
Rust for Network Programming and Automation
Learn to Design and Automate Networks, Performance Optimization, and Packet Analysis with low-level Rust
Brian Anderson
Copyright © 2023 GitforGits
All rights reserved.
ISBN: 978-8196228538
Contents
Preface
Chapter 1: Basics of Network Automation
Need of Network Automation
Evolution of Network Management
Necessity and Rise of Network Automation
Opportunities for Today and Future
Types of Network Automation
Configuration Automation
Network Monitoring Automation
Provisioning Automation
Security Automation
Software Defined Networks
Understanding SDN Architecture
Types of SDN
Network Protocols
Role of Network Protocols
Importance of Network Protocols
Types of Network Protocols
Network Automation Tools
Role of Network Automation Tools
Network Automation Tool Categories
Network Automation Architectures
Network Devices
Network Automation Tools
Network Automation Engine
Summary
Chapter 2: Essentials of Linux for Networks
Overview of Network-Related Commands
Purpose of Network Related Commands
Advantages of Network Commands
Examples of Network Commands:
Using ‘ifconfig’
Using ‘iwconfig’
Using ‘dig’
Using ‘traceroute’
Using ‘netstat’
Using ‘nslookup’
Searching Wireless Devices
Using ‘iwlist’
Modifying IPv4 Addresses
Understanding IPv4
Modifying the Addresses (IPv4)
Modifying IPv6 Addresses
Deleting IP Address
Cloning IP Addresses
What is Cloning of IP Address?
Steps to Clone IP
How to Clone the IP Address
Considerations While Cloning IP
Evaluating DNS Server
Need of DNS Evaluation
Steps to Evaluate DNS Server
Modifying DNS Server
Ways to Modify DNS Server
Summary
Chapter 3: Rust Basics for Networks
Overview
Variables
Constants
Functions
Control Flow
If Statements
Loop Statements
While Statements
For Statements
Pattern Matching
Summary
Chapter 4: Core Rust for Networks
Mutability
Overview
Application of Mutability in Network Programming
Sample Program on Mutability
Ownership
Overview
Sample Program on Ownership
Borrowing
Overview
Sample Program on Borrowing
Borrowing for Data Buffers
Structs
Overview
Struct Syntax
Enums & Pattern Matching
Overview
Enum Syntax
Pattern Matching
Use of Enums
Enums for Simple Server
Data Enumeration
Traits
Using Trait Syntax
Sample Program to use Trait in Networks
Error Handling
Overview
Result, Ok and Err
Panic! Macro
Summary
Chapter 5: Rust Commands for Networks
Standard Commands In-Use
Networking Commands
std::net
tokio
hyper
env_logger
reqwest
Summary
Chapter 6: Programming & Designing Networks
LAN
Overview of LAN Setup
Defining Network Topology using Graphviz
Assign IP Address
Configure Network Devices using Netlink
WAN
Overview of WAN Setup
Determine Network Requirements
Choose the WAN Technology
Select a WAN Service Provider
Configure the WAN Routers
Configure the WAN Interfaces
WLAN
Overview of WLAN Setup
End-to-end Setup of a WLAN
Cloud Networks
End-to-end Setup of a Cloud Network
VPN
Stages to Configure a VPN
Rust Program to Setup VPN
Data Center Network
Stages to Setup a Data Center Network
Rust Program to Setup a Data Center Network
Summary
Chapter 7: Establishing & Managing Network Protocols
Establishing TCP/IP
Choose Port Number
Bind to a Socket
Accept Incoming Connections
Process Incoming Data
Handle Errors
Choose Port Number
Allocation of Port Numbers
Application-wise Port Numbers
Selection of Rust Networking Library
Tokio
Mio
Rust-async
Installing and Configuring Tokio
Installing and Configuring Mio
Installing and Configuring Rust-async
Creating TCP Listener/Binding Socket
Understanding Binding Sockets and TCP Listening
Create TCP Listener using Tokio and Mio
Create TCP Listener using Rust-async
Accept Incoming Connections
Overview
Steps to Accept Connections
Accept Incoming Connections using Tokio
Accept Incoming Connections using Mio
Accept Incoming Connections using Rust-async
Processing of Incoming Data
Process Incoming Data with Tokio
Process Incoming Data with Mio
Process Incoming Data with Rust-async
Handle Errors
Handling Errors using Tokio
Handling Errors using Mio
Handling Errors using Rust-async
Summary
Chapter 8: Packet & Network Analysis
Understanding Packets
Packet Manipulation Tools
Overview
pnet
libtin
Create a Packet Capture Loop
Overview
Packet Capture Process
Capturing Packets using pnet
Process the Captured Packets
Overview
Procedure to Process Captured Packets
Processing Captured Packets using pnet
Analyze the Captured Packets
Overview
Packet Analysis Use-cases
Analyzing Packets
Summary
Chapter 9: Network Performance Monitoring
Network and Performance Monitoring
Why Monitoring Networks?
Performance Monitoring Techniques
Network Performance Metrics & Indicators
Understanding Network Performance Metrics
Exploring Network Performance Indicators
Monitoring Network Availability
Setting Up the Project
Implementing Network Monitoring
Setting Up Monitoring Alerts
Putting It All Together
Running the Application
Monitoring Network Utilization
Setting Up the Project
Implementing Network Utilization Monitoring
Setting Up Monitoring Alerts
Putting It All Together
Running the Application
Monitoring Latency, Packet Loss and Jitter
Installing the pingr Crate
Sending Ping Requests
Continuously Monitoring Latency
Summary
Preface
Rust for Network Programming and Automation is a pragmatic guide that trains you through the Rust to design networks and begin with automating network administration. The book introduces you to the powerful libraries and commands of Rust that are essential for designing, administering and automating networks. You will learn how to use Rust's networking libraries like tokio, mio and rust-async to create scalable and efficient network applications.
The book provides a wide range of practical examples and use-cases, which help to simplify complex coding concepts and ensure that you understand the material in-depth. You will discover how to establish network protocols like TCP and IP networks, run packet and network analysis, measure performance indicators and set up monitoring alerts and notifications. The book is an excellent resource for network engineers and administrators who want to gain a deep understanding of Rust programming for networking.
The author of Rust for Network Programming and Automation
has a wealth of experience in network programming and automation with practical insights. The book is perfect for anyone who wants to master Rust programming for network automation and gain a competitive edge in the field. Whether you are a beginner or an experienced programmer, this book will provide you with the knowledge and skills you need to excel in network programming and automation using Rust.
In this book you will learn how to:
Use Rust to automate network configuration, deployment, and maintenance tasks
Capture and inspect packets, decode protocols, and analyze network traffic
Set up monitoring alerts, notifications, and manage network infrastructure
Create scripts and applications that automate repetitive network tasks
Monitor network performance indicators like latency, throughput, and packet loss
Understand Rust's syntax, data types, control structures, and functions
Make use of Rust's networking libraries like Tokio, mio and rust-async to create networking programs
Establish network connections and handle data transmission between different devices
GitforGits
Prerequisites
This book assumes you are absolutely new to rust programming and believes in rust to make some of the great performing applications. If you know any other programming prior to this book, reading this book at speed can finish truly in a day.
Rust is a modern, safe and efficient systems programming language that is widely used in industry and is a good choice for developers who want to build high-performance, concurrent, and safe systems.
Codes Usage
Are you in need of some helpful code examples to assist you in your programming and documentation? Look no further! Our book offers a wealth of supplemental material, including code examples and exercises.
Not only is this book here to aid you in getting your job done, but you have our permission to use the example code in your programs and documentation. However, please note that if you are reproducing a significant portion of the code, we do require you to contact us for permission.
But don't worry, using several chunks of code from this book in your program or answering a question by citing our book and quoting example code does not require permission. But if you do choose to give credit, an attribution typically includes the title, author, publisher, and ISBN. For example, Rust for Network Programming and Automation by Brian Anderson
.
If you are unsure whether your intended use of the code examples falls under fair use or the permissions outlined above, please do not hesitate to reach out to us at kittenpub.kdp@gmail.com.
We are happy to assist and clarify any concerns.
Acknowledgement
Brian Anderson expresses his gratitude to all of the other contributors to Rust and work tirelessly to improve the quality of the programming language. Brian would want to express his gratitude to the copywriters, tech editors, and reviewers who helped create a powerful yet simple book that outperforms rust coding in a relatively short period of time. And, lastly to his entire family and friends extending their support to finish the project at the earliest.
Chapter 1: Basics of Network Automation
Need of Network Automation
Evolution of Network Management
Network automation refers to the use of software tools and technologies to simplify and automate the management, configuration, and operation of computer networks. It involves leveraging various technologies, including machine learning, artificial intelligence, and orchestration, to enable networks to operate more efficiently, accurately, and securely. Network automation has evolved significantly over the years, driven by the need to reduce complexity, improve reliability, and increase agility in network management.
In the early days of computer networking, network automation was limited to basic scripting and command-line interfaces. This was a time-consuming and error-prone process that required extensive manual intervention by network engineers. As networks grew in complexity, it became increasingly challenging to manage them using these traditional methods.
The introduction of network management systems (NMS) in the 1990s marked the beginning of the evolution of network automation. NMS software allowed network engineers to manage and monitor networks from a centralized location, reducing the need for manual intervention. NMS also made it possible to collect and analyze network data, providing insights into network performance, usage, and security.
In the 2000s, the rise of software-defined networking (SDN) and network functions virtualization (NFV) led to a significant shift in network automation. These technologies allowed networks to be virtualized, abstracting network resources from the underlying hardware. This made it possible to create and manage networks more flexibly, without the need for extensive manual intervention.
With the advent of cloud computing, network automation has become even more critical. Cloud networks are highly dynamic, with workloads moving between virtual machines and containers in real-time. This has led to the development of automation tools that can detect and respond to changes in the network automatically. These tools use machine learning and artificial intelligence algorithms to identify potential issues and recommend or take corrective actions.
Today, network automation is an integral part of modern network management. It enables organizations to create, configure, and manage networks more efficiently and accurately, reducing the risk of errors and downtime. Network automation also allows network engineers to focus on higher-level tasks, such as network design and optimization, rather than routine maintenance and configuration.
Overall, network automation has evolved significantly over the years, driven by the need to manage increasingly complex networks more efficiently and accurately. The introduction of network management systems, software-defined networking, and cloud computing has played a significant role in this evolution. Today, network automation is a critical component of modern network management, enabling organizations to improve network reliability, security, and agility.
Necessity and Rise of Network Automation
The demand and necessity for network automation by businesses are driven by several factors, including the increasing complexity of network infrastructures, the need for greater agility and efficiency, and the rising threat of cybersecurity attacks. Given below are some facts and statistics that highlight the demand and necessity of network automation by businesses:
Network Complexity: Today's networks are more complex than ever before, with multiple devices, applications, and services requiring configuration and management. According to a survey by Enterprise Management Associates, 82% of organizations reported that their networks have become more complex over the past five years.
Time and Cost Savings: Network automation can save businesses both time and money. A report by Juniper Networks found that network automation could reduce the time required for routine network configuration tasks by up to 90%. In addition, automation can reduce the risk of errors and downtime, which can be costly for businesses.
Greater Agility: Businesses need to be able to respond quickly to changes in the market, and network automation can help them do so. A study by Enterprise Management Associates found that businesses that adopted network automation were able to respond to changes in network infrastructure up to 10 times faster than those that did not.
Cybersecurity: The threat of cybersecurity attacks is a growing concern for businesses, and network automation can help to mitigate this risk. According to a study by the Ponemon Institute, 75% of businesses believe that automation can improve their cybersecurity posture.
Employee Productivity: Network automation can free up IT staff to focus on more strategic tasks, which can improve employee productivity. According to a survey by Network World, 75% of IT professionals believe that network automation can improve employee productivity.
Business Continuity: Downtime can be costly for businesses, and network automation can help to ensure business continuity. A report by Cisco found that businesses that use network automation experience 60% less downtime than those that do not.
Cloud Adoption: Cloud adoption is on the rise, and network automation can help businesses to manage their cloud infrastructures more efficiently. A survey by the Cloud Security Alliance found that 50% of businesses use network automation to manage their cloud networks.
To summarize, the demand and necessity for network automation by businesses are driven by a range of factors, including network complexity, time and cost savings, greater agility, cybersecurity, employee productivity, business continuity, and cloud adoption. With the increasing complexity of networks and the growing threat of cybersecurity attacks, businesses that adopt network automation are better positioned to improve their network performance, reduce downtime, and respond quickly to changes in the market.
Opportunities for Today and Future
As network automation continues to gain prominence in the IT industry, a wide range of career roles has emerged in this field. Given below are some of the key roles in network automation and the responsibilities that they typically take care of:
Network Automation Engineer: A network automation engineer is responsible for developing and implementing software tools and scripts to automate network management processes. They are responsible for designing and implementing automated network solutions, analyzing network performance data, and troubleshooting issues related to network automation. A network automation engineer should have a good understanding of network protocols, scripting languages, and automation tools such as Ansible and Python.
Network Automation Architect: A network automation architect is responsible for designing and implementing the overall network automation strategy for an organization. They are responsible for developing network automation policies, procedures, and standards, and for ensuring that network automation solutions align with business objectives. A network automation architect should have a deep understanding of network architecture, automation tools, and best practices for network automation.