How to migrate DVR into IP system leveraging existing infrastructure?
1. Turn your existing DVR 'IP enabled and remotely accessible using enVigil NVS+
( Networked Video Server) without changing analog cameras. Our Video Server comes with storage.
1. Add NVR- enVigil IP+ add new IP cameras to your current infrastructure.
2. Use Central Management System to access any camera of your choice across DVR and NVR
Cradle Technology offers:
1. enVigil IP+ - 4, 8, 16, 32 Cameras - Our Plug and Play IP series
2. enVigil E ( Enterprise)- 8, 16, 32 Cameras - upgrades analog DVR to Digital and remote accessible
3. Central Management System - integrates envigil IP+ and enVigil E and gives seamless visibility of cameras across IP and analog technologies. Also can work with only analog or only IP solution offered by Cradle Technologies.
enVigil NVS+ ( Video Server) and enVigil IP+ ( NVR) operates on regular bandwidth and still enables remote viewing. Even using a data card ( Verizon or Reliance) one can access 32 channels live with smooth viewing experience offered by enVigil's bandwidth adaptability feature. Using enVigil Product Line it is easy to access multiple locations from anywhere, anytime. Just upgrade your old DVR system to enVigil Networked Video Server (reuse existing wiring,cameras) & make your CCTV system Modern & full featured. For new expansion add enVigil IP+ ( NVR) with IP Cameras and seamlessly integrate both with enVigil CMS. You get real time pre set SMS & email Alerts & capability to access property by iPhone, Blackberry or PDA real time. View Forensic Recording remotely & fully manage enVigil CCTV remotely. You can use enVigil CCTV product line to access your property for security & also go beyond security to monitor business processes & staff resulting in increased profits. enVigil transfers all Video Data over VPN ( virtual Private network) securely while traveling over Internet so nobody can snoop in your property. Large 2 TB storage can be built in the system, add extended storage via Networked Attached Storage ( NAS).
Fully networked compact enVigil Video Servers (analog and IP+ video servers) users can access from LAN, WAN, Mobile
enVigil product line is great for remote monitoring your business and multi location businesses since you can access multiple enVigil Video Servers from any where in the world.
Why enVigil product line?
* Save on existing infrastructure use enVigil NVS+
* Add new infrastructure with modern enVigil IP+ with new IP technology that has capability to add HD, Mega Pixel and Panoramic Cameras
* Inbuilt VPN for secure video data transmission
* Works on low bandwidth
* Distributed architecture
* Rapid deployment
* Smart system delivers system down alerts via email and SMS
* Software upgradable systems
* Great Remote viewing experience.
http://www.cradle.com/envigil_product_offering.html
contact@cradle.om
Showing posts with label Analog DVRS. Show all posts
Showing posts with label Analog DVRS. Show all posts
Wednesday, October 13, 2010
Monday, November 9, 2009
How can one avoid video jacking?
The article ( http://www.wired.com/threatlevel/2009/07/video-hijack/ ) on how a malicious intruder in a LAN can hijack an IP camera and insert his/her own IP feed into the system. The intruder uses a simple but effective technique called ARP cache poisoning / ARP spoofing. ARP cache poisoning is a technique that uses a host computer (the intruder) to position itself between an IP camera and an NVR, making the NVR believe that it is talking to the IP camera, but in fact it is talking to the intruder. This way, the intruder can inject any video feed that it wants into the NVR.
This is a fundamental problem with NVRs and IP cameras. Since LAN is a trusted environment, and ARP is a technique that was developed assuming trust between computers on a LAN, this problem will not easily go away unless the underlying protocols are changed.
Even if the video is encrypted on the LAN, the main communication between the client and the server is not. This can help an attacker disable the NVR/DVR in question, even if he is not able to inject video.
How can one avoid video-jacking? One way is entirely avoid using IP cameras and use only Analog cameras. Since tampering of analog cameras require physical access to the infrastructure, this may be a bit more secure. One can argue that even with analog cameras in place, IP streams still do flow through the LAN from the DVR/NVR to any connected clients.
A more complete way to prevent video injection is by using a peer-to-peer VPN connection along with Analog cameras. Cradle's enVigil products come with peer-to-peer VPN pre-installed. Thus, all access on the LAN to the enVigil server is through a peer-to-peer VPN connection. Thus, even if a computer is hijacked with APR spoofing techniques, it will be nearly impossible to inject/hijack the video streams, since that requires cracking the VPN networking layer.
Please visit www.cradle.com for more information on the enVigil product.
This is a fundamental problem with NVRs and IP cameras. Since LAN is a trusted environment, and ARP is a technique that was developed assuming trust between computers on a LAN, this problem will not easily go away unless the underlying protocols are changed.
Even if the video is encrypted on the LAN, the main communication between the client and the server is not. This can help an attacker disable the NVR/DVR in question, even if he is not able to inject video.
How can one avoid video-jacking? One way is entirely avoid using IP cameras and use only Analog cameras. Since tampering of analog cameras require physical access to the infrastructure, this may be a bit more secure. One can argue that even with analog cameras in place, IP streams still do flow through the LAN from the DVR/NVR to any connected clients.
A more complete way to prevent video injection is by using a peer-to-peer VPN connection along with Analog cameras. Cradle's enVigil products come with peer-to-peer VPN pre-installed. Thus, all access on the LAN to the enVigil server is through a peer-to-peer VPN connection. Thus, even if a computer is hijacked with APR spoofing techniques, it will be nearly impossible to inject/hijack the video streams, since that requires cracking the VPN networking layer.
Please visit www.cradle.com for more information on the enVigil product.
Monday, July 20, 2009
Networked DVRS (Analog) V/S IP Cameras and VMS
Ram Natarajan Cradle Technology CTO talks about the advantages of Networked DVRS (Analog) V/S IP Cameras and VMS
Smart networked Analog Servers like enVigil incorporate efficient streaming of compressed video ( MPEG4 or H.264) using a matrix of cameras and streaming a single of channel of Video with multiple cameras embedded into it. This is accomplished by having a matrix composition in the memory at a high refresh rate ( about 10 to 15 frames a second), encoding using MPEG4 or H.264 and streaming it at anywhere from 200 to 500 Kilo-bites per second. The resulting user experience is much better compared to remote view of NVRs or consolidating IP cameras at the same bit rate. This is mainly because the IP cameras stream individual JPEG streams and because of the low Internet bandwidth available one ends up with a inferior quality of video with low refresh rates. Since it takes enormous amounts of processing power to composite the incoming IP streams in a matrix form (because it involves decoding the incoming JPEG/ MPEG4/ H.264 IP streams scaling down and composition), it is impossible to achieve the same smooth motion rendition video as with the networked Video Servers.
Also with IP Cameras the internal LAN bandwidth requirements significantly increase when the number of cameras exceed 32 and when you want to save the video data at high quality. You are forced to use a parallel network that will carry the IP Video Streams. So in affect the claim from IP Video Surveillance people that the customer will save on wiring is just not true. In terms of power supply the IP cameras and Analog cameras behave in the same manner, in that they need a power supply unit. Analog has an advantage since the power and Video, Audio and RS485 signals can all run on a single CAT5 cable.
Smart networked Analog Servers like enVigil incorporate efficient streaming of compressed video ( MPEG4 or H.264) using a matrix of cameras and streaming a single of channel of Video with multiple cameras embedded into it. This is accomplished by having a matrix composition in the memory at a high refresh rate ( about 10 to 15 frames a second), encoding using MPEG4 or H.264 and streaming it at anywhere from 200 to 500 Kilo-bites per second. The resulting user experience is much better compared to remote view of NVRs or consolidating IP cameras at the same bit rate. This is mainly because the IP cameras stream individual JPEG streams and because of the low Internet bandwidth available one ends up with a inferior quality of video with low refresh rates. Since it takes enormous amounts of processing power to composite the incoming IP streams in a matrix form (because it involves decoding the incoming JPEG/ MPEG4/ H.264 IP streams scaling down and composition), it is impossible to achieve the same smooth motion rendition video as with the networked Video Servers.
Also with IP Cameras the internal LAN bandwidth requirements significantly increase when the number of cameras exceed 32 and when you want to save the video data at high quality. You are forced to use a parallel network that will carry the IP Video Streams. So in affect the claim from IP Video Surveillance people that the customer will save on wiring is just not true. In terms of power supply the IP cameras and Analog cameras behave in the same manner, in that they need a power supply unit. Analog has an advantage since the power and Video, Audio and RS485 signals can all run on a single CAT5 cable.
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