OurGrid

[1] Anyone can freely join it to gain access to large amount of computational power and run parallel applications.

[3] The Worker supports virtualization to isolate tasks from the host's file system and the Internet.

Without the virtualization, malicious users could upload a task which connects to the Internet and organize a DDoS attack.

[4] In 2013, Marek Šimon, Ladislav Huraj and Vladimír Siládi analyzed the performance bottlenecks of P2P grid applications such as OurGrid.

They found out that the task will not be effectively solved in the network if it has the large overhead of distributing data between the workers.