User's Manual

Glossary | 140
Repository Server
Serves Solaris packages to the
SmartMachines for update and
maintenance. The default set of tools might
not be current or contain everything a
developer needs. The repository provides
tools and updates that can be applied to the
SmartMachines after initial installation.
The repository server resides on the
Infrastructure server.
RU
Rack unit (1¾ inch).
Servers
SmartMachines are housed in servers, also
called global zones.
SmartMachine
The product name for the DCSWA virtual
machine or compute instance. It is a self-
contained virtual operating system instance
with supporting libraries.
SmartOS
The general purpose UNIX-like operating
environment, optimized to provide
minimum guaranteed access to compute
resources with automatic bursting as
needed.
Subnet
A subset of the network. In Cloud Control,
subnets are a range of IPs belonging to a
particular router. Cloud Control tracks IP
utilization in a subnet range.
Switches / Switching Fabric
A network topology where
network nodes connect with each
other. Traffic is spread across
multiple physical links to offer
better total throughput.
Telemeter
The reporting and monitoring
system for Cloud Control. This
service runs on the compute
nodes and provides monitoring
data/graphs accessible though an
external web page. It is used for
diagnostics and loading
information, and can also provide
billing data.
Top of Rack (ToR) Switch
Provides networking for servers
in the rack.
User Portal
Allows individual end users to
self-provision, restart, shut down
and manage SmartMachines.
Zeus Load Balancer
Controls application traffic:
inspects, transforms, and routes
requests across the infrastructure.
It runs as a SmartMachine and
can be provisioned from the user
portal.
Zone
A virtual machine or compute
instance running on a node within
the cloud.