There are two MDP services available: Schema Dissemination Service and Market Data Configuration Service. he template files and configuration files for all environments.
MDP is a template-based protocol wherein a given message is interpreted by means of its corresponding template. Each message contains a unique Schema ID that references the template to use to interpret the message. The schema dissemination service provides a method for client systems to receive all of the CME active templates, or the templates associated with either a schema ID or a Market Data Group.
Market Data Configuration
The Market Data Configuration Service allows clients systems to receive the list of all Market Data Channel configurations.