By Richard Elling
I purchased this advisor to reinforce my suncluster3x wisdom. it is a solid booklet, yet with extra "designs" and useful battle-camp examples it can be an exceptional selection.
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Additional resources for Designing Enterprise Solutions with Sun Cluster 3.0
User connections can be load-balanced across the installed servers through a range of policies that include server load, response time, and weighted round-robin. Replicating distributed user session and application state information across all iPlanet application servers in a cluster achieves high availability. Session bean states enable the state of an application to be failed over in a server crash, without program modification. For rich clients that use the Internet Inter-Orb Protocol (IIOP), the CORBA executive service (CXS) bridge provides a similar level of transparent application failover.
The failed server can then be quickly replaced by installation of a predefined, hardened Solaris operating environment implementation. To learn more about the architectural details of a JumpStart™ environment, review the Sun BluePrints Online article Building a JumpStart Infrastructure [ANOL01]. html. " 46 47 Top Compute Clusters Many industry sectors harness the power of multiple computer systems to perform tasks that could not otherwise be accomplished on a single server. Moreover, some tasks can be achieved more cost effectively by a collection of smaller, lower-cost systems.
Because the system creates and destroys the connections for each lookup performed, requests fail if they are being processed when a DNS outage occurs. LDAP The LDAP protocol is gaining popularity as the standard way to store user profile and application configuration data. Products like the iPlanet™ Portal Server and iPlanet Messaging Server, for example, use it extensively to hold user preferences. nsldap agent. For accessibility from every node, all LDAP data must reside in the global file service.