• Author : Dominik Rappaport

 
 

Hybrid cloud connectivity with Arista’s Extensible Operating System (EOS) and Amazon Web Services (AWS)

Motivation The term Hybrid Cloud is not clearly defined but the most common definition is a scenario where a customer wants to combine resources in their own data centre (the private cloud) with resources in the public cloud. To allow these services to communicate, a connection between the two cloud environments needs to be established. Most cloud providers offer two options: An Internet Protocol Security (IPsec)-based Virtual Private Network (VPN) connection using the Internet as a transport media and a private link using dedicated lines or equivalent technology. In this article, we cover the VPN based approach using EOS-based services...
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Working with certificates

Introduction and motivation Encryption protocols like HTTPS use certificates to authenticate the remote server (sometimes also the client) as there are no other means to verify to which device you are currently talking. If the server (in our case the switch providing management access via an HTTP based REST API) is located in our own network, it is usually acceptable to work with so-called self-signed certificates. A self-signed certificate is not signed by a certification authority (CA), which would confirm that the CA (an institution you trust) has verified the identity of the certificate holder. By default, Arista EOS based...
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