NMOS has succeeded in providing interoperability between media devices on IP infrastructures, and there are provisions within the specifications to help maintain system security.
Maintaining controlled access is critical for any secure network, especially when working with high-value media in broadcast environments.
As well as providing the core functionality of a computer, operating systems have the potential to be a primary issue for security and keeping hackers at bay.
It is a clear-cut requirement of IP infrastructures that all signal flows need to be conducted via an IT switch, or network of switches, providing an architecture that allows a virtually anything-to-everything routing environment.
NAT will operate without IPsec and vice versa, but making them work together is a fundamental challenge that needs detailed configuration and understanding.
In digital television broadcasting, what matters is that the pictures should be displayed at the correct frame rate and lip-sync should be achieved in an isochronous system.
In the previous article in this series, we looked at the challenges of streaming media for broadcasters, and in this article, we look at how specialized CDNs designed specifically for broadcast television delivers a greatly improved streaming experience for viewers.