The technology that facilitates peer-to-peer file sharing without a central server is BitTorrent. This protocol enables users to share files directly with each other, distributing the load among multiple peers, which increases download speeds and efficiency. With BitTorrent, large files can be shared more effectively, as the data is split into smaller pieces and transferred simultaneously from numerous sources. This decentralized approach reduces the stress on any single server and makes it easier for users to exchange large files reliably.