SaltStack is a configuration management tool that MCP uses to deploy and update the MCP components.

Salt Master

Salt Master is a part of the Mirantis Cloud Platform configuration management system. Salt Master is a server that runs the Salt Master daemon. Salt Master sends commands to the configured Salt Minion servers.

Salt Minion

Salt Minion is a part of the Mirantis Cloud Platform configuration management system. Salt Minion is a server that receives commands from the Salt Master server and executes the required actions.

Salt Syndic

Salt Syndic is a SaltStack topology that includes an intermediate node called Syndic alongside with the Master and Minion nodes. A Syndic node serves as a mediator and passthrough node between the Master node and the Minion nodes and provides greater scalability to the whole SaltStack architecture.


Software as a Service (SaaS) is model of cloud computing where software is provided to users on-demand by the service providers over the Internet. In a SaaS model, users subscribe and pay only for the time they use the corresponding software licenses.


A Storage Area Network (SAN) is a network of block-level storage devices available to users. The users access the remote storage arrays the same way they would typically access a local disk drive.


Software-defined network is a technology that simplifies network management by adding the virtualization abstraction level. In SDN, the network control plane is separated from the network data plane that makes the forward traffic management addressed on the application level rather than on the hardware level.


Single point of failure (SPOF) describes a part of a system that does not have an equivalent redundant component. In case of an error on that part a critical functionality of a system becomes unavailable.


Single Root I/O Virtualization (SR-IOV) is a specification that allows a PCI device to appear virtually in multiple virtual machines (VMs), each of which has its own virtual function. The specification defines virtual functions (VFs) for the VMs and a physical function for the hypervisor. Using SR-IOV in a cloud infrastructure helps to reach higher performance since traffic bypasses the TCP/IP stack in the kernel.


StackLight is the operational health and response monitoring solution of MCP that provides Logging, Monitoring, and Alerting (LMA) functionality for OpenStack, Kubernetes, and Mirantis OpenContrail services deployed on the platform.

Storage node

A node in an OpenStack environment that is specifically designated to store data. Storage nodes run the Ceph OSD and journaling software components. Although, you can combine storage with other virtual roles, providing separate storage nodes results in better scalability, maintainability, and reliability of your cloud.


Spanning Tree Protocol (STP) is a network protocol that creates a loop-free network topology.

Swift Object Storage

The OpenStack Object Storage service, or Swift, provides a multi-tenant object storage system that can accomodate large amounts of unstructured data at low cost. Object Storage can be used as a storage back end for the Glance image service.

Some key characteristics of Swift object storage include:

  • Each object stored in Swift has its own URL and its own metadata.
  • Each object is replicated in the cluster to provide redundancy. The number of replicas is set by the administrator. Each replica is located in a unique location.
  • Libraries are provided for many programming languages. Developers can use these libraries to access the data in Swift object stores or they can write directly to the RESTful API.