When it comes to delivering fast, secure, and reliable digital experiences, a robust content delivery network (CDN) is key. Adobe leverages Fastly—a Varnish-based CDN—to provide high-performance caching and content delivery capabilities that go beyond standard configurations, including those offered by custom setups like Cloudflare.
Here’s a closer look at what Fastly offers and how it integrates with Adobe solutions:
Performance-Driven Caching
Fastly’s Varnish-based infrastructure enables effective caching of site pages, assets, stylesheets, and more directly within backend data centers. This reduces bandwidth consumption, improves load times, and lowers infrastructure costs. With support for custom VCL (Varnish Configuration Language) snippets, developers can fine-tune caching logic and tailor responses based on specific request parameters.
Enhanced Security Features
Beyond performance, Fastly provides built-in security features such as a Web Application Firewall (WAF) and DDoS protection. These help safeguard Adobe-hosted applications and ensure uptime and resilience against attacks.
Considerations for Custom CDN and WAF Integration
If you're using a custom CDN (Bring Your Own CDN - BYOCDN) or an external WAF, specific configurations are necessary to ensure cache purging works as expected. This includes allowing PURGE requests to reach Fastly and ensuring all required headers are included for accurate cache invalidation.
GeoIP Services for Targeted Content Delivery
Fastly supports GeoIP-based configurations, making it easier to serve region-specific content or enforce geographic restrictions. This is particularly useful for personalization or regulatory compliance.
SSL Management Made Easy
For Adobe Commerce on cloud infrastructure, Fastly includes SSL certificates as part of its service. If needed, teams can bring their own SSL certificate—though it may involve additional costs.
Image Optimization Capabilities
To further enhance site performance, Fastly offers image optimization features that compress and resize images on the fly. This not only speeds up load times but also cuts down on data transfer usage.
Diagnostic and Testing Tools
Fastly provides helpful tools for testing and verifying CDN behavior, such as checking headers between your origin and live environments. These tools are essential for troubleshooting and ensuring optimal content delivery.
Final Thoughts
Fastly is a powerful, flexible CDN that integrates seamlessly with Adobe's cloud infrastructure. While it supports layered setups with other CDNs, achieving optimal performance requires careful configuration—especially when it comes to caching logic, purging, and security settings.
With the right setup, Fastly can significantly boost both performance and security for your Adobe-powered digital experiences.
Purging Fastly CDN Cache When Using a WAF or BYOCDN
Fastly CDN and Adobe This article provides insight into how to configure cache purging for AEM as a Cloud Service when using a Web Application Firewall (WAF) or a custom Content Delivery Network solution (BYOCDN). Understanding how to navigate these complex setups is crucial for maintaining efficient content delivery.
AEM As Cloud CDN Configurations - Watch the video
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