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- Collaborative_virtual_environment abstract "Collaborative virtual environments, or CVEs, are used for collaboration and interaction of possibly many participants that may be spread over large distances. Typical examples are distributed simulations, 3D multiplayer games, collaborative engineering software, and others. The applications are usually based on the shared virtual environment. Because of the spreading of participants and the communication latency, some data consistency model have to be used to keep the data consistent.The consistency model influences deeply the programming model of the application. One classification is introduced in based on several criteria, like centralized/distributed architecture, type of replication, and performance and consistency properties. Four types of consistency models were described, covering the most frequently used CVE architectures: Centralized primaries All primary replicas of each data item resides on the same computer called server. Advantages: complete server control over the scene Disadvantages: performance is limited by the server computer Distributed primaries Primary replicas are distributed among the computers. Advantages: high performance and scalability Disadvantages: difficult programming model, weaker consistency Used in: Distributed Interactive Simulation (DIS), Repo-3D, DIV, DOOM Data ownership Primaries are allowed to migrate among the computers. This approach is often called system with transferable data ownership. Advantages: more flexibility compared to Distributed Primaries Disadvantages: high amount of ownership requests may limit the system performance Used in: MASSIVE-3/HIVEK, Blue-c, CIAO, SPLINE Active replication Active replication uses peer-to-peer approach while all replicas are equal. Usually, atomic broadcast is used to deliver updates to all of them, thus they are kept synchronized. Advantages: complete scene synchronization (equal scene content on all computers) Disadvantages: the performance is limited by the slowest computer in the system Used in: active transactions, Age of Empires, Avango, DIVE↑ ↑ ↑".
- Collaborative_virtual_environment thumbnail Centralized_Primaries_Consistency_Model.png?width=300.
- Collaborative_virtual_environment wikiPageExternalLink blue-c.ethz.ch.
- Collaborative_virtual_environment wikiPageExternalLink div.
- Collaborative_virtual_environment wikiPageExternalLink MASSIVE-3.
- Collaborative_virtual_environment wikiPageExternalLink 614.html?&L=1.
- Collaborative_virtual_environment wikiPageExternalLink spline.
- Collaborative_virtual_environment wikiPageExternalLink dive.
- Collaborative_virtual_environment wikiPageID "16402232".
- Collaborative_virtual_environment wikiPageRevisionID "545184091".
- Collaborative_virtual_environment hasPhotoCollection Collaborative_virtual_environment.
- Collaborative_virtual_environment subject Category:Applications_of_distributed_computing.
- Collaborative_virtual_environment subject Category:Virtual_reality.
- Collaborative_virtual_environment type Abstraction100002137.
- Collaborative_virtual_environment type Application106570110.
- Collaborative_virtual_environment type ApplicationsOfDistributedComputing.
- Collaborative_virtual_environment type Code106355894.
- Collaborative_virtual_environment type CodingSystem106353757.
- Collaborative_virtual_environment type Communication100033020.
- Collaborative_virtual_environment type Program106568978.
- Collaborative_virtual_environment type Software106566077.
- Collaborative_virtual_environment type Writing106359877.
- Collaborative_virtual_environment type WrittenCommunication106349220.
- Collaborative_virtual_environment comment "Collaborative virtual environments, or CVEs, are used for collaboration and interaction of possibly many participants that may be spread over large distances. Typical examples are distributed simulations, 3D multiplayer games, collaborative engineering software, and others. The applications are usually based on the shared virtual environment.".
- Collaborative_virtual_environment label "Collaborative virtual environment".
- Collaborative_virtual_environment sameAs m.03y08xc.
- Collaborative_virtual_environment sameAs Q5145859.
- Collaborative_virtual_environment sameAs Q5145859.
- Collaborative_virtual_environment sameAs Collaborative_virtual_environment.
- Collaborative_virtual_environment wasDerivedFrom Collaborative_virtual_environment?oldid=545184091.
- Collaborative_virtual_environment depiction Centralized_Primaries_Consistency_Model.png.
- Collaborative_virtual_environment isPrimaryTopicOf Collaborative_virtual_environment.
