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There are two core configurable ticketing components:

  • TicketRegistry - Provides for durable ticket storage.
  • ExpirationPolicy - Provides a policy framework for ticket expiration semantics.

Ticket Registry

The deployment environment and technology expertise generally determine the particular TicketRegistry component. A cache-backed implementation is recommended for HA deployments, while the default DefaultTicketRegistry in-memory component may be suitable for small deployments.

To see the relevant list of CAS properties, please review this guide.

Default (In-Memory) Ticket Registry

The default registry uses a memory-backed internal map for ticket storage and retrieval. This component does not preserve ticket state across restarts and is not a suitable solution for clustered CAS environments that are deployed in active/active mode.

To see the relevant list of CAS properties, please review this guide.

Cache-Based Ticket Registries

Cached-based ticket registries provide a high-performance solution for ticket storage in high availability deployments. Components for the following caching technologies are provided:

RDBMS Ticket Registries

RDBMS-based ticket registries provide a distributed ticket store across multiple CAS nodes. Components for the following caching technologies are provided:

NoSQL Ticket Registries

Advanced Classics Classics Advanced Advanced Classics Advanced Shorts Shorts Shorts Classics Classics Shorts Advanced CAS also provides support for a variety of other databases, including Redis, MongoDb and Apache Cassandra, for ticket storage and persistence:

Secure Cache Replication

A number of cache-based ticket registries support secure replication of ticket data across the wire, so that tickets are encrypted and signed on replication attempts to prevent sniffing and eavesdrops. See this guide for more info.

Advanced Classics Classics Advanced Advanced Shorts Shorts Shorts Advanced Shorts Classics Classics Classics Advanced Ticket Expiration Policies

CAS supports a pluggable and extensible policy framework to control the expiration policy of ticket-granting tickets (TGT) and service tickets (ST). See this guide for details on how to configure the expiration policies.


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