--- title: Adaptive Bitrate Streaming with CDN description: Adaptive Bitrate Streaming with CDN delivers smooth video by adjusting quality in real-time using a global content delivery network. image: https://cdn.leonardo.ai/users/50b20153-23ad-4a4e-9850-7b347a32af23/generations/c1ba3b61-9485-4b25-a829-67e5b2c00b7e/Leonardo_Phoenix_10_Create_text_banner_1_wordAdaptive_Bitrate_0.jpg --- [![BlazingCDN](https://blog.blazingcdn.com/hubfs/Logo/blog-logo-w.png)](https://blog.blazingcdn.com?hsLang=en-us) [📘Learn ▾](https://blog.blazingcdn.com/cdn-learn?hsLang=en-us) [CDN Fundamentals](https://blog.blazingcdn.com/cdn-fundamentals?hsLang=en-us) [By Content Type](https://blog.blazingcdn.com/by-content-type?hsLang=en-us) [Advanced Concepts](https://blog.blazingcdn.com/advanced-concepts?hsLang=en-us) [Glossary](https://blog.blazingcdn.com/glossary?hsLang=en-us) [⚡ Web Performance](https://blog.blazingcdn.com/web-performance?hsLang=en-us) [🎬Video & Streaming ▾](https://blog.blazingcdn.com/video-streaming-cdn?hsLang=en-us) [🔴 Live Streaming](https://blog.blazingcdn.com/live-streaming?hsLang=en-us) [📺 VOD & OTT](https://blog.blazingcdn.com/vod-ott?hsLang=en-us) [💰 Bandwidth & Costs](https://blog.blazingcdn.com/bandwidth-costs?hsLang=en-us) [🏭 Other Industries ▾](https://blog.blazingcdn.com/cdn-industry-insights?hsLang=en-us) [📺 Media & Broadcasting](https://blog.blazingcdn.com/media-broadcasting?hsLang=en-us) [💾 Software & SaaS](https://blog.blazingcdn.com/software-saas?hsLang=en-us) [🏗️ DevOps & Cloud Infra](https://blog.blazingcdn.com/devops-cloud-infra?hsLang=en-us) [📚 AdTech & Advertising](https://blog.blazingcdn.com/adtech-advertising?hsLang=en-us) [🎮 Gaming & Esports](https://blog.blazingcdn.com/gaming-esports?hsLang=en-us) [📱 Mobile Apps & Developers](https://blog.blazingcdn.com/mobile-apps-developers?hsLang=en-us) [🤖 AI & Machine Learning](https://blog.blazingcdn.com/ai-machine-learning?hsLang=en-us) [🏛️ Enterprise & Corporate](https://blog.blazingcdn.com/enterprise-corporate?hsLang=en-us) [📚 E-Learning & EdTech](https://blog.blazingcdn.com/e-learning-edtech?hsLang=en-us) [🏟️ Sports & Live Events](https://blog.blazingcdn.com/sports-live-events?hsLang=en-us) [💰 Pricing & Costs ▾](https://blog.blazingcdn.com/cdn-pricing-and-cdn-costs?hsLang=en-us) [Provider Pricing](https://blog.blazingcdn.com/provider-pricing?hsLang=en-us) [Cost Optimization](https://blog.blazingcdn.com/cost-optimization?hsLang=en-us) [Decision Support](https://blog.blazingcdn.com/decision-support?hsLang=en-us) [⚡Compare ▾](https://blog.blazingcdn.com/cdn-comparison?hsLang=en-us) [Provider Comparisons](https://blog.blazingcdn.com/provider-comparisons?hsLang=en-us) [Strategy Comparisons](https://blog.blazingcdn.com/strategy-comparisons?hsLang=en-us) [Ratings & Benchmarks](https://blog.blazingcdn.com/cdn-ratings-and-benchmarks?hsLang=en-us) [📊 Benchmarks](https://blog.blazingcdn.com/cdn-ratings-and-benchmarks?hsLang=en-us) [🔒 Security ▾](https://blog.blazingcdn.com/cdn-security?hsLang=en-us) [Attack Protection](https://blog.blazingcdn.com/attack-protection?hsLang=en-us) [Encryption & Access](https://blog.blazingcdn.com/encryption-access?hsLang=en-us) [Video & DRM Security](https://blog.blazingcdn.com/video-drm-security?hsLang=en-us) [📁 Case Studies](https://blog.blazingcdn.com/case-studies?hsLang=en-us) [🔌 Integrations](https://blog.blazingcdn.com/integrations?hsLang=en-us) [🛠️ Tools](https://blog.blazingcdn.com/cdn-tools?hsLang=en-us) [Get Started](https://blazingcdn.com/sign-up-contact-form/) [Video - Live Streaming](https://blog.blazingcdn.com/en-us/tag/video-live-streaming) [Industries](https://blog.blazingcdn.com/en-us/tag/industries) # Adaptive Bitrate Streaming with CDN BlazingCDN Oct 22, 2025, 12:19:29 PM ![](https://cdn.leonardo.ai/users/50b20153-23ad-4a4e-9850-7b347a32af23/generations/c1ba3b61-9485-4b25-a829-67e5b2c00b7e/Leonardo_Phoenix_10_Create_text_banner_1_wordAdaptive_Bitrate_0.jpg) *70 percent of viewers will abandon a stream after just two buffering events, yet less than 30 percent of businesses can accurately explain how their adaptive bitrate (ABR) ladder meets real-world network conditions.* Surprised? You’re not alone. In an era where video already accounts for over 82 percent of all Internet traffic (Cisco VNI, 2023), understanding the marriage between Adaptive Bitrate Streaming and a robust Content Delivery Network (CDN) is no longer optional—it’s existential. - [**1. Anatomy of Adaptive Bitrate Streaming**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#anatomy) - [**2. Why ABR Craves a CDN Backbone**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#needcdn) - [**3. CDN Architectures Tailored for ABR**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#architecture) - [**4. Latency, Buffering & Quality-of-Experience Metrics**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#qoe) - [**5. Implementing ABR on BlazingCDN: A Field Guide**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#implementation) - [**6. Industry Spotlights & Success Stories**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#industries) - [**7. Performance & Cost Benchmarks**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#comparison) - [**8. DRM, Tokenization & Secure Delivery**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#security) - [**9. Monitoring, A/B Testing & Continuous Optimization**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#analytics) - [**10. The Future: Edge AI, 5G & Ultra-Low Latency**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#future) - [**11. Common Pitfalls & Pro Tips**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#pitfalls) - [**12. Deployment Checklist**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#checklist) - [**Ready to Elevate Your Streams?**](https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#cta) ## 1. Anatomy of Adaptive Bitrate Streaming Adaptive Bitrate Streaming reshapes a single video asset into multiple renditions—each encoded at distinct resolutions and bitrates. A manifest (HLS: `.m3u8`; DASH: `.mpd`) guides the client player to switch between those renditions in real time, aligning quality to current bandwidth, CPU load, and even battery life. ### Core Components - **Segmenter:** Chops source video into small chunks (2–10 seconds). - **Encoding Ladder:** 144p @250 kbps → 4K @15 Mbps, typically logarithmic spacing. - **Manifest File:** Playlist pointing to chunk URLs. - **Adaptive Algorithm:** Player-side logic that chooses next chunk quality. **Mini-Annotation:** Up next, we’ll see why those tiny chunks must live close to viewers—and how a CDN makes that possible. *Reflection:* If your 4K rendition sits 8,000 kilometers away, can your “adaptive” algorithm truly adapt? Hold that thought. ## 2. Why ABR Craves a CDN Backbone Without a CDN, ABR chunks travel a longer path, raising First Byte Time and stalling playback. A well-architected CDN shortens physical distance, balances traffic, and keeps origin servers from melting under request storms. ### Key Benefits 1. **Micro-caching:** Hundreds of micro-chunks fetched millions of times per hour demand ultra-low cache-miss rates. 2. **Load Shedding:** Offloading up to 95 percent of traffic saves origin CPU cycles. 3. **Consistency at Scale:** Jumps from 10K to 1M concurrent viewers become predictable. **Provocative Question:** How many concurrent viewers could you serve before your origin’s network I/O becomes the bottleneck? Keep reading for the formula. ## 3. CDN Architectures Tailored for ABR Modern CDNs employ tiered caching, just-in-time packaging, and intelligent prefetching. Let’s dissect each. ### 3.1 Tiered & Origin Shielding A mid-tier cache (shield) consolidates miss traffic, ensuring only one request per unique chunk hits the origin. This can cut egress costs by 40 percent. ### 3.2 Just-In-Time Packaging (JITP) Instead of storing every rendition, the CDN packages requested formats on demand. Especially useful for giant libraries and long-tail content. ### 3.3 Prefetch & Prewarm Algorithms predict next-in-sequence chunks, pulling them into cache just seconds before they are needed, slashing startup delay. *Practical Tip:* Enable `Cache-Key: $uri$is_args$args` to avoid query-string collisions between DRM-tokenized URLs. **Next-Step Teaser:** We’ve nailed down architecture; now let’s quantify its impact on viewer happiness. ## 4. Latency, Buffering & Quality-of-Experience Metrics Viewers rarely complain about a single dropped frame, but they rage-quit after a three-second stall. That’s why ABR+CDN strategy tracks: - **Video Start Time (VST):** Ideal <2 s. - **Rebuffer Ratio:** <0.5 percent of total playtime. - **Average Bitrate Delivered:** Measure of quality. - **Join Drop-Off:** % of viewers who exit before playback starts. Studies (Conviva, 2023; Sandvine, 2023) show that each additional second of VST reduces 30-day retention by as much as 5 percent. **Challenge:** Calculate your current Rebuffer Ratio. Surprised? In Section 5, we’ll demonstrate a field-tested way to slash it by half. ## 5. Implementing ABR on BlazingCDN: A Field Guide BlazingCDN delivers 100 percent uptime and fault tolerance on par with Amazon CloudFront while starting at just $4 per TB. For enterprises, that pricing delta can translate into seven-figure annual savings. ### 5.1 Quick-Start Steps 1. **Onboard Your Origin:** Add your S3, GCS, or on-prem URL in the BlazingCDN dashboard. 2. **Define Cache Keys:** Include rendition resolution to prevent cross-format collisions. 3. **Enable Prefetch:** Activate ‘Predictive Streaming’ to preload next chunks. 4. **Tokenize URLs:** Generate signed URLs with 30-minute TTL for secure playback. 5. **Monitor & Tune:** Real-time dashboards show VST, buffering, and cache-hit ratios. For deeper technical overview, explore [**BlazingCDN’s feature set**](https://blazingcdn.com/features/). ### 5.2 Encoding Ladder Design Start at 240 p/350 kbps. Use a target 1080 p/5 Mbps for mass-market devices, plus a 4K/15 Mbps tier if your audience skews toward smart TVs. Store ladder presets as JSON in your CI/CD pipeline for repeatability. *Reader Prompt:* Which rendition do you predict will capture the majority of viewing minutes during live sports? Track it and let the data surprise you. ## 6. Industry Spotlights & Success Stories ### 6.1 Media & Entertainment A European broadcaster cut rebuffering by 43 percent and saved 28 percent on egress bills after migrating to BlazingCDN, enabling flawless OTT distribution of the national football league. ### 6.2 Gaming & Esports Esports platforms thrive on low-latency spectator modes. BlazingCDN’s configurable TCP-initial-window and origin shielding kept frame-to-glass delay under 3 seconds for a 500K-viewer finals stream. ### 6.3 SaaS & EdTech Video-heavy training portals use ABR to adapt lessons for mobile data plans. With BlazingCDN, a U.S. EdTech firm reduced start-time variance across geos from 1.8 s to 0.7 s—boosting completion rates by 12 percent. *Preview:* Numbers matter. Up next, we’ll compare raw performance across top CDNs. ## 7. Performance & Cost Benchmarks | Provider | Startup Time (s) | Rebuffer Ratio | 99th-Percentile Latency | Cost per TB | | --- | --- | --- | --- | --- | | Amazon CloudFront | 2.4 | 0.75 % | 180 ms | $85 | | Fastly | 2.1 | 0.62 % | 150 ms | $75 | | Cloudflare | 2.3 | 0.70 % | 165 ms | $80 | | **BlazingCDN** | **1.9** | **0.48 %** | **140 ms** | **$4** | Data aggregated from third-party RUM beacons (Q1 2024). BlazingCDN’s blend of aggressive micro-caching and predictive prefetch drives both performance and an order-of-magnitude cost advantage. **Thought Exercise:** Multiply your monthly outbound data by this table to forecast year-end savings. ## 8. DRM, Tokenization & Secure Delivery Premium content demands more than best-effort security. Combine AES-128 encryption with Multi-DRM (Widevine, FairPlay, PlayReady). Issue short-lived tokens containing client IP, expiry, and path claims. Store keys in an HSM or KMS. *Best Practice:* Rotate encryption keys every 14 days; automate manifest serialization to avoid manual errors. **Teaser:** Security is table stakes, but visibility wins championships—let’s dive into analytics. ## 9. Monitoring, A/B Testing & Continuous Optimization Deploy real-time dashboards tracking reach, engagement, and QoE. Perform A/B tests on segment duration: 6-second segments may cut playlist chatter but raise startup time. BlazingCDN exposes fine-grained logs via S3-compatible buckets, making Grafana plug-ins trivial. - **Metric-Driven:** Set alerts on cache-hit drops <92 %. - **A/B Example:** Compare 15-Mbps CBR vs 10-Mbps capped VBR—sometimes VBR wins on quality at 30 % less data. *Challenge:* Make one change this week, log the delta, and share findings with your team. ## 10. The Future: Edge AI, 5G & Ultra-Low Latency 5G’s mid-band spectrum promises 100 Mbps+ to mobile devices, but congestion persists. Edge inference models now run bandwidth predictions in *<1 ms*, feeding the player an even smarter rendition roadmap. Low-Latency HLS (LL-HLS) and Chunked DASH cut glass-to-glass to 1–3 seconds. Expect SRT and WebRTC hybrids for sub-second interactivity, crucial for auctions and sports betting. **Look Ahead:** Which of these technologies can your roadmap realistically adopt in 2024? ## 11. Common Pitfalls & Pro Tips - **Over-dense ladders:** Nine renditions on a 1-hour VOD multiplies storage nine-fold. Prune tiers with <2 % watch time. - **Static keyframes:** Misaligned GOPs break seamless switching. Aim for consistent 2-second GOP boundaries. - **DNS TTLs:** Keep under 60 s to enable rapid rerouting during maintenance. *Pro Tip:* Automate ladder optimization monthly using playback analytics. **Question:** Which pitfall did you last stumble into? Note it down—next section turns that into a checklist. ## 12. Deployment Checklist 1. Map audience geos & device mix. 2. Design encoding ladder (CBR/VBR, GOP size). 3. Configure BlazingCDN zone & shielding. 4. Automate manifest signing. 5. Set up RUM beacons for QoE. 6. Perform load test ≥150 % peak traffic. 7. Rotate keys & refresh tokens. 8. Monitor, iterate, and document learnings. *Ready for action?* ## Your Turn—Join the Conversation! Have you wrestled with buffering gremlins or unlocked record-breaking viewer retention? Drop your battle stories below. Share this guide with a colleague who’s still stuck in single-bitrate limbo, or ping us to compare notes. If you’re gearing up for a high-stakes launch, our engineers are one click away—let’s make flawless streaming your new normal. **Bonus:** Dive into the official specs via [**Apple HLS documentation**](https://developer.apple.com/streaming/) or decode the nuts and bolts at the [**MPEG-DASH Industry Forum**](https://dashif.org/). And when you’re ready for warp-speed delivery without budget shock, BlazingCDN stands prepared to scale, secure, and supercharge your streams. Share: [f](https://www.facebook.com/sharer/sharer.php?u=https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn) [in](https://www.linkedin.com/sharing/share-offsite/?url=https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn) [𝕏](https://twitter.com/intent/tweet?url=https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn&text=) [✉](mailto:?subject=%3Cspan%20id="hs_cos_wrapper_name"%20class="hs_cos_wrapper%20hs_cos_wrapper_meta_field%20hs_cos_wrapper_type_text"%20style=""%20data-hs-cos-general-type="meta_field"%20data-hs-cos-type="text"%20%3EAdaptive%20Bitrate%20Streaming%20with%20CDN%3C/span%3E&body=https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn) ![BlazingCDN](https://blog.blazingcdn.com/hs-fs/hubfs/Logo/blog-logo-w.png?height=24&name=blog-logo-w.png) *Heavy traffic.* Light bill. The CDN for video and large traffic Their monthly bill vs ours - 20 TBFastly $2,087**$92.50** - 50 TBCDN77 $990**$215** - 200 TBCloudFront $11,965**$765** Published list prices, Aug 2026 [Calculate your cost](https://blazingcdn.com/cdn-cost-calculator/?utm_source=blog&utm_medium=sidebar&utm_campaign=blog_sidebar&utm_content=compare_calc) ## Related posts [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-21-2026-07-30-27-5571-AM.jpeg)](https://blog.blazingcdn.com/en-us/tls-1-3-and-0-rtt-at-the-edge-the-real-handshake-cost?hsLang=en-us) Learn ### [TLS 1.3 and 0-RTT at the Edge: The Real Handshake Cost](https://blog.blazingcdn.com/en-us/tls-1-3-and-0-rtt-at-the-edge-the-real-handshake-cost?hsLang=en-us) TLS 1.3 removes exactly one round trip from a full handshake compared with TLS 1.2, and 0-RTT removes one more on ... Sep 21, 2026, 9:33:42 AM [Read more](https://blog.blazingcdn.com/en-us/tls-1-3-and-0-rtt-at-the-edge-the-real-handshake-cost?hsLang=en-us) [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-20-2026-07-30-23-3710-AM.jpeg)](https://blog.blazingcdn.com/en-us/anycast-vs-dns-routing-how-a-cdn-picks-the-pop?hsLang=en-us) Learn ### [Anycast vs DNS Routing: How a CDN Picks the PoP](https://blog.blazingcdn.com/en-us/anycast-vs-dns-routing-how-a-cdn-picks-the-pop?hsLang=en-us) Evaluated February 2026. Two mechanisms decide which edge serves a request, and they fail on completely different ... Sep 20, 2026, 9:33:54 AM [Read more](https://blog.blazingcdn.com/en-us/anycast-vs-dns-routing-how-a-cdn-picks-the-pop?hsLang=en-us) [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Sep-20-2026-07-00-33-3709-AM.jpeg)](https://blog.blazingcdn.com/en-us/understanding-cloudflares-rate-limiting-pricing?hsLang=en-us) Security ### [Cloudflare Rate Limiting Pricing 2026: Plans, Rules and Real Costs](https://blog.blazingcdn.com/en-us/understanding-cloudflares-rate-limiting-pricing?hsLang=en-us) Cloudflare Rate Limiting Pricing 2026: Plans, Rules, Real Costs Cloudflare rate limiting pricing has one detail that ... Sep 20, 2026, 9:02:12 AM [Read more](https://blog.blazingcdn.com/en-us/understanding-cloudflares-rate-limiting-pricing?hsLang=en-us) [![BlazingCDN](https://blog.blazingcdn.com/hubfs/Logo/blog-logo-w.png)](https://blog.blazingcdn.com?hsLang=en-us) [📘 Learn](https://blog.blazingcdn.com/cdn-learn?hsLang=en-us) [📊 Benchmarks](https://blog.blazingcdn.com/cdn-ratings-and-benchmarks?hsLang=en-us) [🎬 Video & Streaming](https://blog.blazingcdn.com/video-streaming-cdn?hsLang=en-us) [🏭 Industries](https://blog.blazingcdn.com/cdn-industry-insights?hsLang=en-us) [💰 Pricing & Costs](https://blog.blazingcdn.com/cdn-pricing-and-cdn-costs?hsLang=en-us) [⚡ Compare](https://blog.blazingcdn.com/cdn-comparison?hsLang=en-us) [🔒 Security](https://blog.blazingcdn.com/cdn-security?hsLang=en-us) [🛠️ Tools](https://blog.blazingcdn.com/cdn-tools?hsLang=en-us) [✍️ Publish with us](https://blog.blazingcdn.com/publish-with-us?hsLang=en-us) in f 𝕏 ✉ Copyright © BlazingCDN |. All rights reserved. ![](https://matomo.blazingcdn.com/matomo.php?idsite=1&rec=1) ```json { "@context" : "https://schema.org", "@id" : "https://blazingcdn.com/#organization", "@type" : "Organization", "description" : "High-volume CDN for video, live streaming, OTT/IPTV, software, games, SaaS and large-file delivery.", "logo" : { "@id" : "https://blazingcdn.com/#logo", "@type" : "ImageObject", "height" : 560, "url" : "https://blazingcdn.com/wp-content/uploads/2024/08/logo-560-560.png", "width" : 560 }, "name" : "BlazingCDN", "sameAs" : [ "https://www.linkedin.com/company/68261278", "https://x.com/BlazingCdn", "https://twitter.com/BlazingCdn", "https://www.facebook.com/BlazingCDN", "https://www.reddit.com/r/BlazingCDN/" ], "url" : "https://blazingcdn.com/" } ``` ```json { "@context" : "https://schema.org", "@id" : "https://blog.blazingcdn.com/#website", "@type" : "WebSite", "inLanguage" : "en-US", "name" : "BlazingCDN Blog", "publisher" : { "@id" : "https://blazingcdn.com/#organization" }, "url" : "https://blog.blazingcdn.com/" } ``` ```json { "@context" : "https://schema.org", "@id" : "https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#article", "@type" : "BlogPosting", "author" : { "@type" : "Person", "name" : "BlazingCDN" }, "dateModified" : "2025-10-22T10:19:29Z", "datePublished" : "2025-10-22T10:19:29Z", "description" : "Adaptive Bitrate Streaming with CDN delivers smooth video by adjusting quality in real-time using a global content delivery network.", "headline" : "Adaptive Bitrate Streaming with CDN", "image" : "https://cdn.leonardo.ai/users/50b20153-23ad-4a4e-9850-7b347a32af23/generations/c1ba3b61-9485-4b25-a829-67e5b2c00b7e/Leonardo_Phoenix_10_Create_text_banner_1_wordAdaptive_Bitrate_0.jpg", "inLanguage" : "en-us", "isPartOf" : { "@id" : "https://blog.blazingcdn.com/#website" }, "mainEntityOfPage" : { "@id" : "https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn", "@type" : "WebPage" }, "publisher" : { "@id" : "https://blazingcdn.com/#organization" }, "wordCount" : 1561 } ``` ```json { "@context" : "https://schema.org", "@id" : "https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn#breadcrumb", "@type" : "BreadcrumbList", "itemListElement" : [ { "@type" : "ListItem", "item" : "https://blog.blazingcdn.com/en-us", "name" : "Blog", "position" : 1 }, { "@type" : "ListItem", "item" : "https://blog.blazingcdn.com/en-us/adaptive-bitrate-streaming-with-cdn", "name" : "Adaptive Bitrate Streaming with CDN", "position" : 2 } ] } ```