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Term                                                        Definition
BrokerA broker in MQTT receives the MQTT messages and sends each message to the appropriate subscribed client.
ChannelThe IAP groups topics and message handling attributes into directional communication channels. See Channel in the IAP/MQ Topic Syntax table.
CMSCentral Management System, which includes the CMS web pages as well as the CMS REST and WebSocket APIs.
CommissionConfigure a device to a specific network (same as Provision).
CustomerAn organization or person that licenses the SmartServer IoT.
Device Management Mode
(DMM)

LON devices are provisioned by the SmartServer IoT.

Edge ServerManages a segment.
Event-driven updates (Datapoint Properties)

Event-driven updates occur when a datapoint is updated on an edge device and then the update is automatically sent to the SmartServer. For LON devices, these are peer-to-peer connections with the source on an edge device going to the SmartServer. For BACnet devices that support COV, these are COV connections from a COV datapoint to the SmartServer.

Event-driven updates are not supported for Modbus devices.

GeozoneGeographic area defined with the CMS; may contain embedded geozones.
HandleHandles are unique identifiers of addressable items used with IAP topics. For more information, see Handle in the IAP/MQ Topic Syntax table, and Handle Allocation.

Independent Management Mode
(IMM)

LON devices are provisioned by an external tool based on the IzoT Net Server.

Peer-to-Peer ConnectionsPeer-to-peer connections exist between LON devices only.  
Point-to-Point ConnectionsTBD
ProvisionConfigure a device to a specific network (same as Commission).
Resource

For REST, a resource is an object with a type, associated data, relationships to other resources, and a set of methods that operate on it. Essentially a resource is every thing or entity that can be identified, named, addressed, or handled, in any way whatsoever, on the web.

For MQTT, a topic is the equivalent of a REST resource.

Resource TypeIAP supports a variety of resource types such as devices, groups, schedules, etc. See Resource_Type in the IAP/MQ Topic Syntax table.
SIDSee Segment Identifier.
SegmentA collection of devices that can be addressed with a common segment ID.
Segment Identifier The SID is the Segment Identifier, which is the logical address of the device that controls a segment.  In IAP, that device is either an edge server, or, an IAP-native edge device that is the only device on that segment. Such an edge device can still implement other object types, such as alarms or connections for itself, and uses the standard topic layout. For more information, see SID in the Syntax table.
Scalar Datapoints

Scalar datapoints represent a single field where the value is an integer or float as shown in the Datapoints widget example below.

SmartServer PlatformThe SmartServer platform includes all of the built-in functions within the SmartServer except the CMS web pages, which can be hosted on the SmartServer or on a cloud server. 
Structured Datapoints

Structured datapoints represent more than one value where multiple fields are separated by a comma as shown in the Datapoints widget example below.

TopicIn MQTT, a topic refers to a string that the broker uses to filter messages for each connected client.  An MQTT client can publish and subscribe to a topic. A topic in MQTT is the equivalent of a REST resource.
UserA person associated with a customer account with access to one or more geozones associated with one or more SmartServer IoT licenses.
Unique Identifier (UID)Unique identifier for the device.



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