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Smooth Streaming Live in HD 2010 Olympic Winter Games. Scott Stanfield CEO Vertigo scott@vertigo.com. Bob Cowherd Olympics Project Lead Vertigo bob@vertigo.com. 2010 Vancouver Winter Olympic Games. Stats. Video 46 million total unique users 710 million page views

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Smooth Streaming Live in HD 2010 Olympic Winter Games


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smooth streaming live in hd 2010 olympic winter games

Smooth Streaming Live in HD2010 Olympic Winter Games

Scott Stanfield CEO

Vertigo

scott@vertigo.com

Bob Cowherd Olympics Project Lead

Vertigo

bob@vertigo.com

stats
Stats

Video

  • 46 million total unique users
  • 710 million page views
  • 45 million video streams serving more than 3.5 million hours of video

Photo

  • NBC: 1,573 galleries and 41,560 photos
  • Universal Sports: 4,400 galleries and 75,663 photos

Video Bitrates

  • 3.45 Mbps – 1280 x 720 @ 30 fps
  • 1.95 Mbps – 848 x 480 @ 30 fps
  • 1.25 Mbps – 640 x 360 @ 30 fps
  • 900 Kbps – 512 x 288 @ 30 fps
  • 600 Kbps – 400 x 224 @ 30 fps
  • 400 Kbps – 312 x176 @ 30 fps
hd quality video using iis smooth streaming technology
HD-quality video using IIS Smooth Streaming Technology
  • No buffering
  • Supports HD for users with high-end machines/connections without compromising the experience for low-end machines
dvr trick play control
DVR "Trick Play" control
  • Allows users to direct their own experience
  • Jog dial to rewind and fast-forward allows smooth and quick viewing of interesting content
  • Slow motion allows sports fans to examine their favorite moments in detail
play by play and key events
Play-by-play and Key Events
  • Quickly navigate interesting content via Key events on the timeline, menu
  • Get deeper detail when watching an event via the play by play menu
embedded player
Embedded Player
  • Allow fans of the site to become evangelists by embedding short videos in their blogs
advanced advertising integration
Advanced advertising integration
  • IAB-certified solution required – 3rd party (DART) DLL needs to actually schedule the ads
  • Special logic needed to preserve a good UX for user who DVR back in the timeline
  • Hot-swappable configuration changes allow ad templates (composition) to be changed on the fly
  • Ad settings can similarly be changed (ex. 2 minute grace period on DVR ad model)
  • Tier 1 Sponsor Integration allows custom sponsorships
video content explorer
Video Content Explorer
  • Recommendations, Most Popular Videos, Video by Athlete, by Sport, Schedules, Athletes Related to this Video
  • Provide as many possible ways to explore a huge amount of video content
  • Maintain immersion in the player, keep high dwell times
  • Allow “snacking” on video
twitter
Twitter
  • Allow users to keep their fingers on the pulse of the Olympics on Twitter without leaving the player experience
  • Maintain immersion in the player to keep high dwell times
smooth streaming file types
Smooth Streaming File Types

Fragmented MP4s:

  • MP4 files: Video and Audio (*.ismv/.isma)
  • Server Manifest File (*.ism)
  • Client Manifest File (*.ismc)
  • It’s all about the manifest
features driven by in stream data
Features Driven by In-Stream Data
  • Key Events Display on Timeline
  • Advertising integration
  • Ads and PBP markers come across as “in-stream” data tracks - you stream data just like you stream video
  • Advertising insertion via a back-end tool
  • Let’s look at this on the manifest
live to vod transitions
Live to VOD Transitions
  • Instant VOD Replays, Instant Highlight creation – big win for NBC
  • Live feed ends, player automatically becomes a VOD player
  • On stream stop, manifest itself changes “IsLive” attribute to “false”. Player hides live mode
  • Live manifest (.ISML) now copied over to a “VOD” location (.ISM). 
  • CDN (Akamai) issues HTTP 302 redirects to VOD manifest for live manifest requests
  • No video data needs to be copied – the existing ISMVs are just referenced from a VOD manifest
highlight creation and the rce
Highlight Creation and the RCE
  • Rough Cut Editor – “Instant” highlights (see Jason’s session)
  • Highlight clips can start to be edited before the events in the clip have finished occurring in real life!
  • Composite Manifest files (.CSM) 
  • References other smooth streaming manifests – only makes head requests.
  • ClipBegin/ClipEnd specified, relevant chunk references copied into the .CSM file.
  • Editors can create highlight clips without creating an actual new video or modifying any existing video, so storage cost is fixed.
  • Highlights of several different videos can be set up in a composite manifest that references them all.  
  • Let’s take a look at a .CSM file
graceful failure handling
Graceful Failure Handling
  • The SSME (an underlying component of the SMF) is resilient to errors codes (502s, 404s, etc.) on up to 50 consecutive chunks.
  • Beyond that, player must cleanly handle failures:
    • Auto-retry on Media Failure (built in to SMF)
    • Display Alt. recommendations on Stream Failure
  • Demo: Let’s see how this works using Fiddler…
cdn configuration akamai
CDN Configuration (Akamai)
  • TTL Values for Player Assets, Video Streams
    • Balance origin offload vs. stale content
  • Cache-busting
    • Bust the client and proxy-side caches without busting the CDN’s edge server cache (DOS attack).
    • Requires CDN configuration to ignore client/proxy cache-busting query string parameters. (Let’s look at an example in Fiddler)
  • Security/URL Protection
    • Issue 403s on manifest requests that lack the authentication cookie
  • Geo-blocking
    • Restrict content per IP such that only U.S. traffic is allowed for NBCOlympics.com, Canadian traffic is allowed for CTV.com, etc.
logging real time health monitoring
Logging, Real-time Health Monitoring
  • Conviva
    • Real time traffic numbers
    • Error tracking
    • Media Failures vs. Stream Failures
    • Trends analysis: we can see problems as they start to happen and proactively fix them
    • Can also restrict to a specific player ID
  • Akamai
    • Reports on 4xx/5xx, origin errors, high/low traffic errors
    • Basic traffic reporting - tonnage reports, manifest totals, egress numbers
  • Smooth Streaming Health Monitoring
    • Allows you to see actual SSME health statistics live in real time.
  • Other logging:
    • Advertising consumption logging to DART
    • Video consumption logging to Omniture, Nielsen
    • Install tracking logging to Microsoft
design and development methodology
Design and Development Methodology
  • MVVM Pattern
    • Separation of concerns within the code
    • Designers can work on views as developers build ViewModels
  • Enforce “Blendability”
    • If a code change causes a View to not work in Blend, fix immediately.
  • Continuous Integration, Automated Deployments – Zero Friction
    • One-click deployments to any environment
    • Automate obfuscation, versioning of XAP and JS assets
    • Archive all builds deployed beyond build site
    • Expose build environment to all partners
authentication and security
Authentication and Security
  • Securing our video streams:
    • Strategy: Don’t allow unauthorized apps to play the Olympics streams.
    • Time server sync up
    • Beacon call – send out a hashed shared secret plus the time value.
    • Akamai (CDN) will return 403s on the video chunks if the auth cookie becomes invalid
  • Man in the middle defense:
    • Strategy: Don’t allow unauthorized apps to launch videos in our player.
    • Video key generated by the host domain and passed in to the DOM.
    • Key constructed by hashing a shared secret plus the Video URL and ID.
    • Player refuses to play video if the keys don’t match.
  • Entitlement
    • Verify MSO subscription for premium content.
other lessons learned
Other Lessons Learned
  • 3rdparty cookies:

- MSN.com (Video content) vs. NBCOlympics.com (player assets)

  • Corporate/University Proxies
2010 vancouver olympics video delivery
2010 Vancouver Olympics - Video Delivery

Mio Babic, CEO of iStreamPlanet

  • Live Ad Insertion Demo
  • Back End Video Workflow
    • Video Workflow Automation
    • Origins at SuperNAP
building for scalability reliability
Building For Scalability & Reliability
  • 17 days
  • 4,483hrs of content
  • 834 live events
  • 25 concurrent live streams
  • 100% success
  • 5 people
  • iSP Video Workflow Automation
  • Scheduling
  • Content Acquisition
  • Video Routing
  • Encoding
  • Publishing Points Management
  • Live-to-VOD transitioning
  • API or Web Interface Controls
photo viewer
Photo Viewer
  • Slideshow mode allows easy one-by-one viewing of automatically advancing galleries.
  • Grid Mode allows free-form and quick navigation of larger galleries.
  • Scroll to zoom in and out of photos
  • Scope of the Olympics Photo experience:
    • NBC: 1,573 galleries and 41,560 photos
    • Universal Sports: 4,400 galleries and 75,663 photos
  • Smooth Streaming for Deep Zoom
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Q&A

Scott Stanfield scott@vertigo.com