AWS Networking Fundamentals
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AWS Networking Fundamentals

A Practical Guide to Understand How to Build a Virtual Datacenter into the AWS Cloud

About the Book

The first chapter explains how you can start your virtual Datacenter, Virtual Private Cloud (VPC). You will learn what AWS Regions and Availability Zones (AZ) are and how you create subnets within AZ. The second chapter introduces a Mapping-Service, the Control-Plane of AWS. It also discusses Data-Plane operation and VPC encapsulation. The third chapter explains how you create a public subnet, from where EC2 instances have a bi-directional Internet connection through the Internet Gateway (IGW). The fourth chapter introduces the concept of a private subnet. It also explains how to allow egress-only Internet connection from the private subnet through a NAT Gateway (NGW). The fifth chapter shows how to build a VPN connection from an on-prem Datacenter to your VPC using a VPC-specific Virtual Private Gateway (VGW). The sixth chapter introduces a Transit Gateway (TGW) service that allows regional inter-VPC traffic and a multi-VPC VPN connection from a remote site. The seventh chapter discusses how to implement VPC segmentation using TGW route tables. Chapter eight introduces how to enable inter-region VPC traffic flows using Transit GW peering. The ninth chapter introduces a unidirectional VPC peering solution. Chapter 10 explains how to build an application-specific, bi-directional inter-VPC PrivateLink using Network Load Balancer. The last five chapters focus on the AWS Direct Connect (DX) connection. Chapter 11 explains how you order a cross-connect connection between the AWS device and the customer device located in AWS Direct Connect Location. This chapter also introduces how to create AWS Direct Connect Gateway (DXGW) and how you build BGP peering between DXGW and customer devices. Chapter 12 introduces AWS Hosted Direct Connect connection. It explains how AWS Direct Connect Partners offers a cross-connection from the AWS Direct Connect Partner using their infrastructure. Because some AWS DCPs used BGP EVPN/VXLAN Fabric for their Hosted Direct Connect service, this chapter also introduces the BGP EVPN based MAC address learning process and explains how the VXLAN Data-Plane traffic forwarding works. Chapter 13 introduces how we can affect to egress path selection process on AWS Direct Connect Gateway (DXGW) using BGP route aggregation, BGP AS-Path Prepending, and BGP Communities. Chapter 14 introduces a Direct Connect SiteLink service that enables site-to-site traffic over DX connections terminated into the same DXGW. It also explains how to migrate an existing Corporate inter-site WAN connection to AWS BackBone. The last chapter introduces how to use an AWS Direct Connect connection (DX) and a Public Virtual Interface (P-VIF) for accessing AWS Public Service. 

About the Author

Toni Pasanen
Toni Pasanen

Toni Pasanen. CCIE No. 28158 (RS), Distinguished Engineer at Fujitsu Finland. Toni started his IT carrier in 1998 at Tieto, where he worked as a Service Desk Specialist moving via the LAN team to the Data Center team as a 3rd. Level Network Specialist. Toni joined Teleware (Cisco Learning partner) in 2004, where he spent two years teaching network technologies focusing on routing/switching and MPLS technologies. Toni joined Tieto again in 2006, where he spent the next six years as a Network Architect before joining Fujitsu. Toni works closely with customers in his current role, helping them select the right network solutions from technology and business perspectives. He is also the author of books:

- Virtual Extensible LAN – VXLAN: The Practical Guide to Understand VXLAN Solution - 2019

- LISP with VXLAN in Campus Fabric - 2020

- VXLAN Fabric with BGP EVPN Control-Plane. Design Considerations – 2020

- Object-Based Approach to Cisco ACI: The Logic Behind the Application Centric Infrastructure - 2020

- Cisco SD-WAN: A Practical Guide to Understand the Basics of Cisco Viptela Based SD-WAN Solution- 2021

- Network Virtualization: LISP, OMP, and BGP EVPN Operation and Interaction

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