Cisco Model D-PCG1000 PowerKEY CAS Gateway Release Notes
Chapter 1 Introducing GQAM Software Version 3.1.9
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Full Shared Key Support for Encrypted VOD in an Overlay Environment
GQAM software version 3.1.9 provides full shared key support for encrypted VOD
in an Overlay environment. Full shared key support enables GQAMs to operate in a
mode where on-demand content is encrypted using methods compatible with legacy
(third-party) conditional access (CA) systems. This mode is enabled during session
creation and remains in effect until the session is deleted. Content that is protected
using this mode will not be viewable by devices with integrated QAM demodulators
(such as TVs with QAM tuners) that are able to display clear digital content.
in an Overlay environment. Full shared key support enables GQAMs to operate in a
mode where on-demand content is encrypted using methods compatible with legacy
(third-party) conditional access (CA) systems. This mode is enabled during session
creation and remains in effect until the session is deleted. Content that is protected
using this mode will not be viewable by devices with integrated QAM demodulators
(such as TVs with QAM tuners) that are able to display clear digital content.
Support for Multiflow/Multicast
With the release of SR 4.2, Cisco takes single-flow multicasting one step further by
offering support for multiflow/multicast. GQAM software version 3.1.9 provides
support for this new feature. Multiflow/multicast represents Cisco’s implementation
of the Advanced DOCSIS Set-top Gateway (ADSG) standard and allows service
providers to harness the power of DOCSIS to provide additional services and
programming to customers.
offering support for multiflow/multicast. GQAM software version 3.1.9 provides
support for this new feature. Multiflow/multicast represents Cisco’s implementation
of the Advanced DOCSIS Set-top Gateway (ADSG) standard and allows service
providers to harness the power of DOCSIS to provide additional services and
programming to customers.
Important! GQAM software version 3.1.9 also continues support for GQAM IP
multicast input, which was introduced in previous system releases. GQAM IP
multicast input allows system operators to use GQAMs to join an IP multicast
service or source to obtain and broadcast content to digital set-tops in different
formats (simulcast). Basically, this feature allows different GQAMs to use the same
IP content source.
multicast input, which was introduced in previous system releases. GQAM IP
multicast input allows system operators to use GQAMs to join an IP multicast
service or source to obtain and broadcast content to digital set-tops in different
formats (simulcast). Basically, this feature allows different GQAMs to use the same
IP content source.
Support for IGMPv3 Host Signaling
GQAM software version 3.1.9 provides support for Internet Group Management
Protocol version 3 (IGMPv3) host signaling. IGMPv3 introduces the ability for hosts
to signal group membership with filtering capabilities with respect to sources.
IGMPv3 can operate with both Internet Standard Multicast (ISM) and Source
Specific Multicast (SSM).
Protocol version 3 (IGMPv3) host signaling. IGMPv3 introduces the ability for hosts
to signal group membership with filtering capabilities with respect to sources.
IGMPv3 can operate with both Internet Standard Multicast (ISM) and Source
Specific Multicast (SSM).
IGMPv3 lets systems on a physical network know which hosts belong to which
multicast groups. This information is required by the multicast routers so they know
which multicast datagrams to forward onto which interfaces thereby facilitating
multicasting.
multicast groups. This information is required by the multicast routers so they know
which multicast datagrams to forward onto which interfaces thereby facilitating
multicasting.