Pool User
Encyclopedia
A Pool User is a client
in the Reliable Server Pooling
(RSerPool) framework.
In order to use the service provided by a pool, a PU has to proceed the following steps:
Client (computing)
A client is an application or system that accesses a service made available by a server. The server is often on another computer system, in which case the client accesses the service by way of a network....
in the Reliable Server Pooling
Reliable server pooling
Reliable server pooling is a computer protocol framework for management of and access to multiple, coordinated servers...
(RSerPool) framework.
In order to use the service provided by a pool, a PU has to proceed the following steps:
- Ask a Pool RegistrarPool RegistrarA Pool Registrar is a component of the reliable server pooling framework which manages a handlespace. PRs are also denoted as ENRP server or Name Server .The responsibilities of a PR are the following:...
for server selection (the Pool Registrar will return a list of servers, called Pool ElementPool ElementA Pool Element is a server in the Reliable server pooling framework.The responsibilities for a PE are the following:* Register into a handlespace at a Pool Registrar,* Answer keep-alive messages from its Pool Registrar,...
s), - Select one Pool ElementPool ElementA Pool Element is a server in the Reliable server pooling framework.The responsibilities for a PE are the following:* Register into a handlespace at a Pool Registrar,* Answer keep-alive messages from its Pool Registrar,...
, establish a connection and use the actual service, - Repeat the server selection and connection establishment procedure in case of server failures,
- Perform an application-specific session failover to a new server to resume an interrupted session,
- Report failed servers to the Pool RegistrarPool RegistrarA Pool Registrar is a component of the reliable server pooling framework which manages a handlespace. PRs are also denoted as ENRP server or Name Server .The responsibilities of a PR are the following:...
.
Standards Documents
- Aggregate Server Access Protocol (ASAP)
- Endpoint Handlespace Redundancy Protocol (ENRP)
- Aggregate Server Access Protocol (ASAP) and Endpoint Handlespace Redundancy Protocol (ENRP) Parameters
- Reliable Server Pooling Policies