#675: Unravel Internet Ingress and Egress - A Deep Dive into Application Access
Jul 8, 2024
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Join Brett Looney, an AWS expert, as he delves into internet ingress and egress strategies on AWS. Topics include shared egress implementation, outbound traffic inspection, challenges with traditional network devices, transitioning to a distributed model, isolated VPCs with PrivateLink, and the importance of automation and cloud networking skills.
Egress traffic inspection ensures network security and data integrity.
Distributed ingress enhances scalability but requires automation and network control.
Deep dives
Managing Internet Ingress and Egress Patterns with AWS
Managing internet ingress and egress patterns with AWS involves handling various workloads and ensuring access to the internet. Customers may have a mix of public-facing and internal workloads, necessitating internet access. For egress, the shared approach is commonly used, funneling traffic through a single point aided by tools like AWS network firewall and gateway load balancer. It allows for traffic inspection and secure internet connectivity. Inspecting outgoing traffic is crucial for security, preventing data loss and ensuring network integrity. Deploying a pattern of Workload VPC to transit gateway to Egress VPC via the Gateway Load Balancer is a common strategy.
Advantages of Shared and Distributed Ingress Approaches
The shared and distributed ingress approaches present distinct advantages and considerations for managing traffic entering AWS. Shared ingress mirrors traditional setups with centralized filtering, while distributed ingress allows for scalability and individual application experiences. Managing multiple ingress points can enhance resilience and flexibility but requires automation and network control. Challenges include scaling needs during surges and security threats. Distributed ingress models offer scalability and agility but may incur higher costs and complexities in deployment.
Transitioning Towards Distributed Ingress for Enhanced Agility
Transitioning from shared to distributed ingress models involves a shift in mindset and skill development. Moving towards automation, cloud-native tools, and distributed architecture can improve agility and scalability. Utilizing CloudFormation for deployment automation and monitoring tools for network visibility is crucial. Skills enhancement through automation, alert management, and problem-solving projects can accelerate the adoption of distributed ingress approaches.
Gaining Deeper Insights and Resources for Network Automation
Exploring further into network automation and distributed ingress strategies can be done through contacting AWS Solutions Architects for guidance. Leveraging AWS resources like GitHub repos, re:Invent presentations, and local networking communities can provide valuable insights. Delving into network automation, alert management, and transitioning to distributed ingress can be facilitated by engaging with AWS resources and seeking in-depth knowledge shares.
AWS customers want their applications to access the internet or to be accessed from the internet. Join Simon and guest Brett Looney as they discuss various ways of doing this and the pros and cons in different scenarios.
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