Establishing a domain for routing at each WAN connection prevents these problems by bringing the store-and-forward aspect of communication up to the application level where time-outs are not an issue.
Note: Novell Group Wise agent communication (MTA to MTA and POA to MTA) has been enhanced to reduce the negative effect of slow or unreliable WAN links on messaging traffic.
Synchronization traffic increases as the number of domains increases.
The exact number of domains in any Group Wise System needs to be determined on an individual basis by considering the following: Link all LAN domains via IP in a mesh configuration.
With any messaging system, there are general characteristics of the overall network environment, such as backup and restore times, that come into play when sizing the information store.
A primary consideration when sizing a Group Wise post office is the messaging habits of the user base (i.e. The correct sizing of Group Wise post offices also depends on several other factors, such as the overall Group Wise mailbox size, message database size, and size and number of attachments in the information store.
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However, Novell Technical Services recommends as few as possible to limit the amount of admin traffic on the network.
TODO: Provide a worksheet or at least an example showing how much each of these factors affect the requirements.
The amount of memory required for the MTA is influenced by many factors, including the following: TODO: Provide a worksheet or at least an example showing how much each of these factors affect the requirements.
Depending on the state of the existing Novell Group Wise system, some of the practices outlined in this document may be difficult or cost-ineffective to implement.
Use these guidelines wherever possible in expanding systems or creating new systems, but temper their application with your experience and knowledge of your organization's unique computing environment. You may also refer to the many Novell partners for more information, tools, and services.