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Glossary
principal (usually with no logon rights) associated with it, and a resource mailbox owner
(with their own personal mailbox) is given delegated access to the resource mailbox.
Routing group
A collection of Servers running Exchange 2000 that can transfer messaging data to one
another in a single-hop without going through a bridgehead. In general, Exchange comput-
ers within a single routing group have high-bandwidth, resilient network links between
each other.
Additionally, a routing group defines the boundary for public folder access.
Routing Group Connector – RGC
A connector in Exchange 2000 that connects routing groups to one another. An RGC is
uni-directional and can have separate configuration properties (such as allowable message
types over the connection). Routing Group Connectors use the concept of local and remote
bridgeheads to dictate which servers in the routing groups can communicate over the link.
The underlying message transport for an RGC is either Simple Mail Transfer Protocol
(SMTP) or Remote Procedure Calls (RPC) and it uses link state information to route
messages efficiently.
Routing Engine
This COM component runs on the Event Service on Microsoft Exchange Server version
5.5. It acts as a simple state engine that executes and tracks multiple process instances
within a Microsoft Exchange folder. The state is advanced when events fire within the
folder. The routing engine supports the execution of flow-control activities (workflow)
directly, and it can call VBScript functions for other activities. Microsoft Exchange Server
Routing also works with the Microsoft Transaction Server (MTS)
Routing service
A component in Exchange 2000 that builds link state information.
Routing Objects
Component Object Model (COM) objects that are used to program Exchange's routing
engine behavior. These objects allow the creation and manipulation of process maps, which
define the series of states to be tracked by the routing engine and the activities to be
performed at each step. Routing objects are used primarily in workflow applications.
Rendezvous Protocol (RVP)
(Note that this name is preliminary). The Microsoft published protocol that is used be-
tween the MSN Messenger service and the Instant Messaging server that is implemented
on Exchange 2000. RVP uses an extended subset of HTTP-DAV with an Extensible
Markup Language (XML) payload to send subscriptions and notifications between Instant
Messaging clients and servers.
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