MDP 3.0 - Support Services

The following MDP support services are available:

Schema
Market Data Configuration
Security Definition Flat File
Market Schedule File
CME Reference Data API

An FTP/SFTP site is used to store the template files, configuration files, and market schedule files for all environments and the Security Definition Flat File.

Service	Description

Service	Description
Core Globex Schema	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.
Global TCP Recovery SBE Schema for UDP	A Global TCP Recovery SBE Schema for UDP is an SBE schema dissemination service that provides a method for client systems to process TCP Recovery for UDP system administration messages for UDP market data groups. The Global TCP Recovery SBE Schema for UDP is available for BrokerTec and EBS.
TCP Session Management SBE Schema	An SBE schema for client systems to receive CME Group session management templates for the CME MDP Conflated TCP market data group. The Global TCP Recovery SBE Schema for UDP is available for BrokerTec and EBS.
UDP Market Data Configuration	The Market Data Configuration Service allows clients systems to receive the list of all UDP Market Data (multicast IP, product group, and Security ID).
Security Definition Flat File	The Security Definition Flat File (secdef.dat) is available only for the Futures and Options environment. This Security Definition Flat File is available for Futures and Options only. The process to generate the file begins each Sunday through Friday as follows: All start times are Central Time (CT) Monday - 8:55 AM Sunday - 12:15 PM Sunday through Friday - 2:30 PM Monday through Friday - 8:30 PM The Security Definition Flat File file contains the Security Definition (tag 35-MsgType=d) message information for the start of the next trading day, including instrument data and daily settlement prices. This file has been decoded and some of the data has been converted to human-readable FIX format. Please see the MDP - Security Definition message specification for a detailed description of each tag value. This file is not refreshed throughout the trading day. Once a trading day has started, the following intra-day instrument changes are not reflected in the file until a new one is generated that evening: New instruments added during the day Covered options spreads that expire at the end of the trading day User Defined Spreads (UDS) created during the trading day
Market Schedule File	The Market Schedule File (TradingSessionList.dat) lists all Security Groups with state changes scheduled for each Trading Date of the current week. It is available for the Futures and Options New Release and Production environments. The Market Schedule file is created on Sundays and will be available all week. It will not be refreshed throughout the week. Mid-week changes to the schedule are not updated in the file.
CME Reference Data API	Additional product and instrument referential data can be obtained via CME Reference Data API. Globex tag 48-SecurityID maps to the Reference data API instrument field globexSecurityId.