Network Topology - Client Perspective
If the client uses normal grid communication, it connects
to one of the routers. Only one router is required, but there may
If a client uses Java Web Start as a way to install,
access to this port is needed.
Clients that use one or more connection dispatchers
need access to those ports.
Connection dispatchers belong to applications deployed
in the grid. Most applications have no connection dispatchers but
they may have several. Therefore, the number of exposed connection
dispatchers may be none or several.