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Recently by Sam Preston

Sam Preston

Sam Preston

May 27, 2021 9:00 AM

Edge DNS Secondary Implementation: Order of Operatio ...

This article has been updated to include recent industry trends and information about primary implementations. Akamai Edge DNS service delivers edge-based, authoritative domain services for thousands of organizations. These organizations trust Edge DNS to deliver reliable and performant responses, reflected by a 100% uptime service-level agreement. Along with unmatched reliability, Edge DNS boasts an impressive geographically diverse footprint and an intelligently deployed anycast network, ensuring client queries are consistently

Sam Preston

Sam Preston

March 9, 2021 11:30 AM

Finding the Best Servers to Answer Queries -- Edge D ...

TL;DR IP Anycast is a network addressing and routing methodology that allows IP addresses to be announced from multiple points on the internet With the proper implementation, Anycast can reduce DNS RTTs and offer innate DDoS protection Akamai's authoritative name service, Edge DNS, combines global scale with strategic network advertisements to optimize performance and reliability Domain owners can further promote a performant DNS posture by maximizing record TTLs and enabling

Sam Preston

Sam Preston

June 19, 2020 2:15 PM

DNS as Code

Infrastructure as Code (IaC) and Continuous Delivery methods have become increasingly popular amongst development and operations teams as a means of maintaining high-performing websites. Code repositories, build servers, and configuration management systems are now industry standards, as these tools replace cumbersome manual touchpoints with transparent automated workflows. Consequently, DevOps CI/CD tools are an effective means of delivering a more reliable end product to customers.

Sam Preston

Sam Preston

January 6, 2020 12:30 PM

Geolocation and DNS Traffic Management

What is GTM Global Traffic Management, or GTM, is a DNS-based load balancing service that offers application owners a level of flexibility and insight that is unmatched by traditional on-prem solutions. Highly scalable and fault-resilient, GTM offers customers a layer of abstraction between endpoints, so traffic can be easily shifted between targets. The platform is not limited to weighted load distribution, however; GTM can execute intelligent routing decisions based on

Sam Preston

Sam Preston

October 21, 2019 11:00 AM

All Resolvers Aren't Equal - Don't Worry, GTM is Awa ...

What is GTM Global Traffic Management, or GTM, is a DNS-based load balancing service that offers application owners a level of flexibility and insight that is unmatched by traditional on-prem solutions. Highly scalable and fault-resilient, GTM offers customers a layer of abstraction between endpoints, so traffic can be easily shifted between targets. However, the platform is not limited to weighted load distribution: GTM can execute intelligent routing decisions based on

Sam Preston

Sam Preston

August 19, 2019 11:00 AM

Edge DNS: Zone Apex Mapping & DNSSEC

Introduction Along with its DDoS resilience and impressive global footprint, Akamai Edge DNS offers zone administrators additional technical flexibility and implementation options to improve performance and simplify DNS operations. One example is zone apex mapping (ZAM), a feature that enables top level hostnames (e.g., akamai.com) to resolve directly to an Akamai edge IP. The popularity and appeal of ZAM do, however, prompt a number of questions about the technical specifics,

Sam Preston

Sam Preston

June 12, 2019 11:00 AM

DNSSEC: How It Works & Key Considerations

From its beginnings as a replacement for a centralized database, the Domain Name System (DNS) has evolved into a dynamic, highly distributed, question-answer protocol. The proverbial "phone book of the internet" has increased in complexity and scale alongside the rapid growth of the World Wide Web. One primary example is Domain Name System Security Extensions (DNSSEC). The founding architects of DNS did not include any inherent security protections for the