Category: Best Practices

In this post, we provide prescriptive guidance for building resilient and scalable multi-tenant Software-as-a-Service (SaaS) network architectures to address common challenges such as managing overlapping IP addresses, complex CIDR planning, and scaling connectivity to thousands of customers. We explore multiple architectural approaches using Amazon VPC Lattice with TCP resources, and conclude with detailed implementation guidance […]

This is a joint post co-authored with Abhishek Chawla, Chief Product and Technology Officer; Kartik Manimuthu, Director of Cloud Engineering; and Digvijay, Director of Application Engineering at SMC Global Securities Ltd. SMC Global Securities Ltd. (SMC), established in 1990, is a leading Indian financial services company providing trading, wealth advisory, and financial product distribution services […]

IPv6 adoption continues to accelerate worldwide as organizations move beyond the limitations of IPv4 address space. At Amazon Web Services (AWS), we’ve long supported IPv6 from end users to our Amazon CloudFront network, helping end users reduce latency, improve performance, and reach on modern mobile networks. Now, we are excited to take it a step […]

Introduction The first web crawler was created in 1993 to measure the size of web, and they have now evolved into modern bots powered by agentic AI. Today’s internet is increasingly populated and dominated by automated AI bots that interact with applications to support AI-related tasks. We classified AI bots into three types: AI scrapers, […]

In today’s rapidly evolving cloud landscape, organizations are increasingly adopting multicloud strategies for several compelling reasons. Following mergers and acquisitions, companies need to integrate and maintain existing cloud solutions from both organizations. Different business units within an organization often have varying technical requirements and expertise, leading them to prefer specific cloud providers. For highly regulated […]

In this post, we describe how you can use Amazon Web Services (AWS) Cloud WAN with service insertion to centralize your private NAT Gateways and PrivateLink to effectively and efficiently address private IPv4 exhaustion. We demonstrate how you can maximize the usage of available IP space while minimizing cost impact. Private IPv4 space, defined in […]

Introduction AWS Cloud WAN enables organizations to build and manage a global network across multiple AWS Regions. Through AWS Cloud WAN service insertion, you can integrate security appliances, either AWS-managed (such as AWS Network Firewall) or third-party solutions, to inspect and control traffic between network segments or outbound to the internet. Although AWS Cloud WAN […]

In late 2024 we launched several enhancements to AWS Transit Gateway and AWS Cloud WAN services: Path MTU Discovery (PMTUD) support for Transit Gateway and AWS Cloud WAN Appliance Mode Routing Enhancement for improved Availability Zone (AZ) awareness Per-AZ Amazon CloudWatch Metrics AWS Cloud WAN: Service Insertion Operational Enhancement In this post, we explain how […]

This blog is co-authored with Jenny Zhou, Principal Enterprise Architect at United Airlines In this blog, we will explore how United Airlines implemented an enterprise-wide resilience program using Amazon Web Services (AWS). United Airlines, a major U.S. airline headquartered in Chicago, Illinois, announced its United Next plan in 2021. United Next is the airline’s plan […]

Applications face a variety of security threats, such as distributed denial of service (DDoS) attacks, web application exploits like SQL injection and cross-site scripting (XSS), and bot traffic. In this post, to help protect your applications against these threats, we demonstrate how to build your first web access control list (web ACL) in AWS WAF. AWS […]