BigSpeed File Sharing SDK - Version 2.0 BigSpeed File Sharing SDK includes two ActiveX controls (client and server) that dramatically simplify and accelerate the development of private file sharing solutions over the Internet. In addition to standard FTP operations, such as upload, download, rename, delete, etc.,the library also offers a number of advanced features which give the local application full control over the remote files.The client is able to open seekable streams on the server, either in read-only or read-write access mode. The application canseek, read, an write bytes to the stream as it is a local file.The client is able to run search operation on the server.