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ARQ Packet Loss and jitter correction for compressed and uncompressed video

IP ACROSS PUBLIC INTERNET Using Our Packet Recovery Technology

Home >> MPEG-2/4, H.264 (Video Over IP) >> IP ACROSS PUBLIC INTERNET using our DOZER BOXES


Adobe PDF Download the DOZER™ IP/IP Executive Overview

Adobe PDF Using a WAN Emulator to Demonstrate DOZER Automated Packet Recovery

Adobe PDF What Causes Packet Loss in IP Networks

Adobe PDF DOZER UDP Ping Tools and Testing – Application Note

DOZER™ ARQ (Automatic Repeat Request): LIC

Software Applet for Packet Loss and Jitter Recovery for any type of bitstream on congested private or public networks. Must Have for Video Over Public

DOZERbox™ IP/IP + AES128

Compact DOZER ARQ equipped IP Gateways for Reliable Delivery of any bitstream – MPEG-2, H.264, H.265, data, compressed or uncompressed video, or audio over private or public wired or wireless Internet.

DOZER Rack™ IP/IP

Rack Mountable DOZER ARQ equipped IP Gateways for Reliable Delivery of any bitstream – MPEG-2, H.264, H.265, data, compressed or uncompressed video, or audio over private or public wired or wireless Internet.

Licensable by CDNs, MSO's, and IP STB Manufacturers.

DOZER APR: LIC™


Dozer Packet Loss Solution Fix  ip.tv  Linux
DOZERbox™ IP IP + AES128


Fix packet loss  ip.tv  Linux  Intel Platinum Partner
DOZER Rack IP IP™


Dozer Fixes Packet Loss  ip.tv  Linux  Intel Platinum Partner

We all know that the Public Internet has improved dramatically all over the world, but especially in the Western World. We have all become voracious consumers of bandwidth by using video sites like YouTube, Hulu, CNN, and other streaming services. The Internet has largely kept up. But like in any jungle, there are thin and thick areas to penetrate through. When the jungle gets thick the traffic slows down.

Despite the abundant bandwidth, mission critical video traffic has been relegated to dedicated lines, services, or CDNs. This is because of fear, uncertainty, and doubt. Our engineers recently developed a “technique” that allows video traffic to consistently bulldoze through slow and congested routers when UDP protocol is employed. Basically – we send a minimal set of unique signaling packets along with original packets. In the interest of security we encrypt all traffic with AES128.

The DOZER ARQ: LIC “bulldozes” through routers and enables IPTV operators and Over The Top video providers to improve their video distribution by enabling smooth low delay High Definition and Adaptive video streaming. It's the ideal technology for CDN operators or mobile network operators who are deploying vast networks across their own and others' backbones. The DOZER ARQ: LIC optimizes IP capacity utilization by managing and optimizing video packet throughput.

The world is now awash with affordable bandwidth. Video delivery over IP is rapidly overtaking Satellite and Microwave. Pretty soon many inanimate objects and appliances will have their own IP addresses. The only problem is that the Ethernet/internet protocol was not designed with video packets in mind. The issue is that video packets must arrive at their destination within a set time otherwise they "expire" like spoiled food and are discarded. The other issue with video is that the UDP protocol does not do well with traffic congestion.

ARQ based DOZER is a proven packet loss correction technology that enables reliable delivery of UDP traffic across WANs and LANs. It corrects for packet loss, fixes jitter, and encrypts your traffic with AES 128. It is interesting that low level of packet loss can be found even across dedicated TELCO lines due to TCP packet contention. DVEO's DOZER operates at layer II of the OSI stack. This makes our technology more resilient and suitable for video and VoIP over wired or wireless links.

The DOZERbox is designed for compressed video but accepts almost any bitstream with any protocol, with any kind of content. A growing list of customers are using it to transfer VoIP traffic, and others use it to send uncompressed (SMPTE 292) or lightly compressed digital video (NewTek NDI™) across public or private networks and LANs. The DOZER technology can be adapted for any kind of “bit” delivery task as long as there is a two-way connection.

The world is now awash with affordable bandwidth. Video delivery over IP is rapidly overtaking Satellite and Microwave. Pretty soon many inanimate objects and appliances will have their own IP addresses. The only problem is that the Ethernet/internet protocol was not designed with video packets in mind. The issue is that video packets must arrive at their destination within a set time otherwise they "expire" like spoiled food and are discarded. The other issue with video is that the UDP protocol does not do well with traffic congestion.

ARQ based DOZER is a proven packet loss correction technology that enables reliable delivery of UDP traffic across WANs and LANs. It corrects for packet loss, fixes jitter, and encrypts your traffic with AES 128. It is interesting that low level of packet loss can be found even across dedicated TELCO lines due to TCP packet contention. DVEO's DOZER operates at layer II of the OSI stack. This makes our technology more resilient and suitable for video and VoIP over wired or wireless links.

The DOZER Rack is designed for compressed video but accepts almost any bitstream with any protocol, with any kind of content. A growing list of customers are using it to transfer VoIP traffic, and others use it to send uncompressed (SMPTE 292) or lightly compressed digital video (NewTek NDI™) across public or private networks and LANs. The DOZER technology can be adapted for any kind of “bit” delivery task as long as there is a twoway connection.

Standard Features:

  • Addable feature to Proxicaster™, MultiStreamer™, Gearbox™, Brutus™, Gearbox™ II, and D-Streamer™ product lines
  • Automated Packet Recovery: Unlike FEC protocols, it only sends extra data when packet loss is detected by the DOZER receiver and reported to the DOZER sender
  • Protocol eliminates packet loss and corrects for internet jitter and packet reordering
  • Underlying traffic is AES128 encrypted by DOZER, but not examined
  • Typical inputs/Outputs: 2 each Gig/E ports
  • Supports IP UDP unicast and multicast, in or out
  • Uses packet retransmission methodology developed by DVEO®
  • Ships with designated IP addresses
  • Will not examine the transport stream. It merely forwards all packets.
  • IP address and ports can be remapped to different ones if necessary in the remote network
  • All inter-Dozer communication is encrypted with AES128
  • Configurable destination port on listener for firewall traversal
  • Can be configured for point-to-point or point-to-multipoint functionality
  • Supports up to four destinations in primary/backup or split transmission configuration for redundant or load balanced setups
  • Each device can be configured as a sender, a receiver, or both
  • One DOZER transmitter can send 50+ channels to 32 DOZER receivers
  • Each receiver device can output UDP on a local network to one or many different devices using second Ethernet port
  • DOZER Transmitter-Receiver connections are authenticated with user name and password for additional security
  • Performance certified with WAN Emulator Appliance testing

Benefits:

  • Smooth Error Free Delivery of Compressed Video Across Public Internet with Guaranteed Upload and Download
  • Transits Most Firewalls
  • Saves Money versus Private Point to Point Connections
  • Can be added to most of our products and others' products
  • All Content is Encrypted with AES128 between units
  • Linux® based reliability
  • Can eliminate need for satellite delivery of point-to-point

Applications:

  • Streaming live news and sports programming over congested LANs or WANs
  • Backup to Dedicated IP for Video Delivery with delivery over Public Internet, including studio-to-transmitter links
  • Replacing satellite backhaul and dedicated point-to-point lines with DOZER at end points
  • Protecting point to point traffic with strong AES128 encryption
  • Eliminating packet loss across Metro WDM and other long haul backbones
  • Point to Multipoint Content or Data Delivery

Features:

  • Completely corrects packet loss and jitter in transmission
    path
  • Available with Failover Option
  • Protocol eliminates packet loss and corrects for internet jitter and packet reordering
  • Underlying traffic is AES128 encrypted by DOZER
  • Inputs/Outputs: 2 each Gig/E ports or optional 4 Ethernet ports
  • Supports IP UDP unicast and multicast, in or out, or both
  • Will not examine the transport stream. It merely forwards all packets.
  • IP address and ports can be remapped to different ones if necessary in the remote network
  • Configurable destination port on listener for firewall traversal
  • Can be configured for point-to-point or point-to-multipoint functionality
  • Supports up to four destinations in primary/backup or split transmission configuration for redundant or load balanced setups
  • Each device can be configured as a sender, a receiver, or both
  • One DOZERbox transmitter can send 50+ channels to 32 DOZERbox receivers
  • Also available: Rack mount 1 RU – DOZER™ Rack IP/IP
  • Now deployed across the world with hundreds of customers

Benefits:

  • Smooth Error Free Delivery of Compressed Video Across Public Internet with Guaranteed Upload and Download
  • Transits Most Firewalls
  • Saves Money versus Private Point to Point Connections
  • Can be added to most of our products and others' products
  • All Content is Encrypted with AES128 between units
  • Linux® based reliability
  • Can eliminate need for satellite delivery of point-to-point

Applications:

  • Streaming live news and sports programming over congested wired or wireless LANs or WANs
  • Backup to Dedicated IP for Video Delivery with delivery over Public Internet, including studio-to-transmitter links
  • Replacing satellite backhaul and dedicated point-to-point lines with DOZERboxes at end points
  • Protecting point to point traffic with strong AES128 encryption
  • Eliminating packet loss across Metro WDM and other long haul backbones
  • Works well with DOZER Link™ Encoders and Decoders
  • Point to Multipoint Content or Data Delivery

Standard Features:

  • Completely corrects packet loss and jitter in transmission path
  • Available with Failover Option
  • Underlying traffic is AES128 encrypted
  • Inputs/Outputs: 2 each Gig/E ports or optional 4 Ethernet ports
  • Supports IP UDP unicast and multicast, in or out, or both
  • Will not examine the transport stream. It merely forwards all packets.
  • IP address and ports can be remapped to different ones if necessary in the remote network
  • Configurable destination port on listener for firewall traversal
  • Can be configured for point-to-point or point-to-multipoint functionality
  • Supports up to four destinations in primary/backup or split transmission configuration for redundant or load balanced setups
  • Each device can be configured as a sender, a receiver, or both
  • One DOZER transmitter can send 50+ channels to 32 DOZER receivers
  • Each receiver device can output UDP on a local network to one or many different devices using second Ethernet port on unit
  • Also available: Compact DOZERbox™ IP/IP + AES128 based on Shuttle® system

Benefits:

  • Smooth Error Free Delivery of Compressed Video Across Public Internet with Guaranteed Upload and Download
  • Transits Most Firewalls
  • Saves Money versus Private Point to Point Connections
  • Can be added to most of our products and others' products
  • All Content is Encrypted with AES128 between units
  • Linux® based reliability
  • Can eliminate need for satellite delivery of point-to-point

Applications:

  • Streaming live news and sports programming over congested wired or wireless LANs or WANs
  • Backup to Dedicated IP for Video Delivery with delivery over Public Internet, including studio-to-transmitter links
  • Replacing satellite backhaul and dedicated point-to-point lines with DOZER Rack at end points
  • Protecting point to point traffic with strong AES128 encryption
  • Eliminating packet loss across Metro WDM and other long haul backbones
  • Works well with DOZER Link™ Encoders and Decoders
  • Point to Multipoint Content or Data Delivery
DOZER ARQ LIC

Available on Request. Test Results using our Apposite WAN emulator.

FEC Box IP IP™

A Compact (4.5 Inches Square), Real Time, End to End Pro-MPEG FEC SMPTE 2022 Error Correcting Router for UDP Traffic.

FEC Box II IP IP™

Compact (5.5 Inches Square), High Speed, Real Time, End to End FEC SMPTE 2022 Error Correcting Router for UDP Traffic.

FEC Box IP IP™

ip.tv
FEC II Box IP IP™

ip.tv

Forward Error Correction (FEC) is a method for finding and correcting bit and low packet loss errors in data transmissions. Extra data, called multi row and multi column checksum packets, are transmitted in parallel to the outgoing video stream so that errors can be corrected at the receiving end. The original UDP stream is not modified in any way.

The FEC Box IP IP reduces packet loss over a lossy network transport by mathematically reconstructing the missing data packets using the added FEC data.

The FEC Box IP IP is a very small, DC brick powered, computing device with two 10/100 Ethernet jacks. The purpose of the device is to ensure UDP traffic reaches the destination even when errors occur during transmission.


Compact (5.5 Inches Square), Real Time, End to End FEC SMPTE 2022 Error Correcting Router for UDP Traffic. Corrects Bit Errors and Packet Loss which Impacts UDP (and RTP) Traffic on both LAN and WAN Communications. Features Bit Rates of 25 Kbps to 120 Mbps. Commonly Used to Fix or Protect Against Frame Loss, Picture Artifacts, Audio Drop-Out and Other Video Decoding Errors Caused by Packet Loss. Unlike TCP-IP Retry Solutions, FEC Does Not Increase Jitter and Only Minimally Increases Latency. Sold in Pairs. Adds FEC to Encoders or Decoders that Do Not Support It.

Standard Features:

  • Alleviates corrupted bits and packet loss introduced on WiFi, satellite, microwave, cellular, Internet, and other networks prone to packet loss
  • Compatible with SMPTE 2022 1–4 standards
  • Inputs/Outputs: UDP/RTP IP streams
  • Supports IP UDP unicast and multicast, in or out
  • Supports all UDP traffic including HD and SD H.264/MPEG-4 AVC or MPEG-2 encoded streams
  • 10/100 Ethernet ports – switched for flexible use
  • Software updates can be performed via the Web GUI, or via the USB
  • Will not alter the internal structure of the transport stream (PAT, PMT, etc.)
  • Supports 50 rows and columns in transmit mode and 100 rows and columns in receive mode
  • Tested for compatibility with other SMPTE-2022 FEC equipped devices
  • Support for SMPTE-2022 5 and 6 coming soon

Applications:

  • Providing SMPTE 2022 based FEC compatibility to devices that don’t support it
  • Streaming Live IP camera views
  • Video over IP
  • Any application where UDP/RTP A/V traffic is used and data loss is possible

» Educational Video about COP 3

Standard Features:

  • Alleviates corrupted bits and packet loss introduced on WiFi, satellite, microwave, cellular, Internet, and other networks prone to packet loss
  • Inputs/Outputs:  UDP/RTP IP streams
  • Supports IP UDP unicast and multicast, in or out
  • Supports all UDP traffic including HD and SD H.264/MPEG-4 AVC or MPEG-2 encoded streams
  • 10/100/1000 Ethernet ports – switched for flexible use
  • Software updates can be performed via the Web GUI
  • Will not alter the internal structure of the transport stream (PAT, PMT, etc.)
  • Supports 20 rows and columns in transmit mode and 20 rows and columns in receive mode
  • Support for SMPTE-2022 5 and 6 coming soon

Applications:

  • Streaming Live IP camera views
  • Video over IP
  • Any application where UDP/RTP traffic is used and data loss is possible

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