Real-time Data Acquisition and Processing over Broadband Networks
Date Issued
1999-07-31
Date
1999-07-31
Author(s)
DOI
872219E002007
Abstract
In this work, we are aimed to establish a
distributed computing environment based on
broadband network. Furthermore, we also
argue that the process and cost of developing
applications could be reduced with this DCE.
Thus, it is appropriate to choose the
distributed object system as the development
environment.
As a distributed object system, the
Common Object Request Broker
Architecture (CORBA) provides a welldeveloped
solution to facilitate the
development and integration of applications
across heterogeneous platforms. However,
with the emerging requirements for real-time
and fault-tolerant support in distributed
computing system. CORBA doesn't address a
suitable mechanism to meet these
requirements. Therefore, additional services
or extensions should be added to CORBA.
In this paper, an approach that
extends CORBA to support real-time and
fault-tolerant requirements is proposed. First,
we embed a real-time scheduling mechanism
in CORBA to meet temporal constraints.
Then, a fault-tolerant service is built into
CORBA.
According to fail-stop model, our faulttolerant
services could meet the requirements
of fault detecting and fault recovery. With
respect to our scheduling service, the
suitability of assigned priority value still
needs further verification.
Subjects
Broadband Network
Fault-
Tolerance
Tolerance
Real-Time
Real-Time Data
Acquisition
Acquisition
Signal Processing
Distributed Computing Environment
Publisher
臺北市：國立臺灣大學電機工程學系暨研究所
Type
report
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