MiPACS is a picture archiving and communication server for DICOM images, reports and other infomations. It support multiple DICOM service classes (e.g. DICOM store, DICOM Q/R, DICOM print, DICOM storage committment , ...etc.). MiPACS is a core component in Vision Tools Workspace PACS solution, it receives images from different modalities, prioritize routing of images to different nodes on the network, compress received images with diffrent compression methods according to pre-configured rule. MiPACS responds to any DICOM Q/R queries from modalities to send back archived images for the propose of comparison or history analysis of patient data.