Company snapshot
| Category | NTT Communications | Viblast |
|---|---|---|
| Status | defunct | defunct |
| Founded | — | — |
| Headquarters | — | — |
| Website | — | — |
| Docs | — | — |
Overview
NTT Communications, a subsidiary of Nippon Telegraph and Telephone Corporation, provided a content delivery network (CDN) through its Smart Data Platform, powered by EdgeCast, offering global content delivery for enterprises. The service, launched in 1999, supported various industries with robust network infrastructure until its deprecation in 2025. Following the sale of Edgio’s CDN business, NTT Communications announced the shutdown of its CDN platform, with services ceasing on January 15, 2025. Customers were advised to migrate to Akamai to maintain CDN functionality.
Viblast was a Bulgaria-based company founded in 2013 that specialized in peer-to-peer (P2P) video streaming solutions, offering Viblast PDN and Viblast Player for live and on-demand video delivery. It served broadcasters, content providers, and CDNs, leveraging WebRTC and HTML5 to enable plugin-free HLS and MPEG-DASH playback. The company aimed to reduce bandwidth costs and improve stream quality for high-concurrency live streams. As of 2023, Viblast is reported as out of business, with no active services or official website available.
Network & Architecture
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Feature comparison
| Feature | NTT Communications | Viblast |
|---|---|---|
waf | ✗ | ✗ |
bot_mitigation | ✗ | ✗ |
ddos | ✗ | ✗ |
rate_limit | ✗ | ✗ |
http3_quic | ✗ | ✗ |
tls13 | ✗ | ✗ |
tiered_cache | ✗ | ✗ |
origin_shield | ✗ | ✗ |
instant_purge | ✓ | ✓ |
stale_while_revalidate | ✗ | ✗ |
stale_if_error | ✗ | ✗ |
image_optimization | ✗ | ✗ |
video_vod | ✗ | ✓ |
video_live | ✗ | ✓ |
drm | ✗ | ✓ |
hls_dash_packaging | ✗ | ✓ |
websockets | ✗ | ✗ |
signed_urls | ✗ | ✗ |
edge_compute | ✗ | ✗ |
functions | ✗ | ✗ |
kv_storage | ✗ | ✗ |
api_first | ✓ | ✓ |
realtime_logs | ✓ | ✓ |
log_push | ✗ | ✗ |
terraform | ✗ | ✗ |
Legend: ✓ = Supported, ✗ = Not supported, — = Not listed
Pricing
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Integrations & DevEx
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When it fits
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When it doesn’t
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History & Notes
NTT Communications leveraged its telecom expertise to deliver CDN services, primarily targeting enterprise clients in Asia and globally. The partnership with EdgeCast enabled features like instant purge and real-time logs, but the service’s reliance on Edgio led to its discontinuation after the 2024 asset sale to Akamai. Some customers may still access archived documentation or support through NTT’s sales channels during the transition period.
Viblast was recognized for its innovative use of WebRTC for P2P video streaming, winning awards like the Streaming Media European Readers’ Choice for Delivery Network in 2014. Its technology was particularly suited for large-scale live streaming, claiming up to 90% bandwidth savings. No official EOL announcement was found, but PitchBook data confirms the company ceased operations by March 2023. No evidence of asset sales or successor entities exists, and its website (viblast.com) is no longer active.