The architecture of
multimedia system may be described as a four-level hierarchy. In line with
concepts developed in conventional layered systems such as the OSI and Internet
each layer performs a specific function and supports the function performed in
the layer above. The four-layers (lowest (bottom) layer first) of the architecture,
known as the RT architecture (Real-time information handling), are:
Network
Subsystem (Layer 1)
-- This layer takes care of the functionalities
up layer 3 in the OSI model .Network specific functions depend on the technology
used in this layer. Essentially this level provides a possible connection
through a network with a specified bandwidth and error probability as supported
by the underlying technology.
End-to-End
QoS Control (Layer 2)
-- This layer maintains the connection between
the source and destination and can be conceptually viewed as a single
connection -- even though there may be physically many more. Each connection is
managed to ensure that a given Quality of Service (Qos) is maintained.
Media
Management (layer 3)
- This layer provides generic services to applications ihn so far as
media management is concerned. A primary functions is synchronisation across
the media.
Application
(Layer 4)
-- The direct interface with the user. The application
wil also interface with the operating system, if required -- for example calls
to stroage media or specific library functions (subroutines).
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ReplyDeletefactorial hundred In the last few days, the “factorial of 100” is one of the top subjects and a lot of maths geeks compute it using voice assistants such as Alexa, Shiri, etc.
factorial hundred In the last few days, the “factorial of 100” is one of the top subjects and a lot of maths geeks compute it using voice assistants such as Alexa, Shiri, etc.
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