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The Joint
Simulation System
(JSIMS)
project is sponsoring the Common Component
Simulation Engine (CCSE), which is based on the same NASA breathing
time warp algorithms as SPEEDES. The CCSE is being developed by SPAWAR
Systems Center of San Diego under the direction of SPAWAR PMW 153.
JSIMS consists of a federation of a large number of separate
simulations, using an HLA-compliant runtime infrastructure. Some
of the JSIMS federates are built on the CCSE, and others not using the
CCSE as a simulation engine make use of the CSSE's Common Algorithm
Support Services.
The CCSE implements an alternative to Object
Proxies called Federation Objects (FOs). Simulation objects can
have several FOs in a single simulation object, as opposed to a single
Object Proxy, allowing publishers to define subsets of the attributes
that subscribers can receive. In the limit, the smallest FO
contains a single attribute which is the Object Proxy situation but on
the publisher side rather than the subscriber side.
The FO-based
CCSE is under development and will release complete interest management
(including data distribution management), and checkpoint/restart
capability after integration and testing in JSIMS Federation
Integration Events.
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