Using Logical Service Names (Sun Java Communications Suite 5 Deployment Planning Guide)

Sun Java Communications Suite 5 Deployment Planning Guide

Using Logical Service Names

Design your deployment around the use of logical names for Communications Suite servers. You should use logical names even on a single-system deployment, to position it for ease of future growth and expansion. Using logical names does not impose any additional deployment setup costs other than populating your DNS.

You can think of these logical names as falling into two categories: those that affect end users, such as settings in email client programs; and those affecting back-end administration, such as inbound SMTP servers.

The following tables describes these logical entities.

Table 5–1 User Facing Logical Names


Example	Description
`mail.siroe.com`	Name of the server from which end users collect their email.
`imap.siroe.com`	Name of the IMAP server from which end users collect their email.
`pop.siroe.com`	Name of the POP server from which the end users collect their email.
`smtp.siroe.com`	Name of the SMTP server users set as outgoing mail server.
`webcal.siroe.com` or `ce.siroe.com`	Name of the Communications Express (formerly Calendar Express) server.

Table 5–2 Maintenance Level Logical Names


Example	Description
`relay-in.siroe.com`	Corresponds to a bank of inbound SMTP servers.
`relay-out.siroe.com`	Corresponds to a bank of outbound SMTP servers.
`mmp.siroe.com`	Corresponds to a bank of MMP servers.
`storeAA.siroe.com`	Back-end message store. Select a naming scheme to work with your topology, for example, `storeAA.siroe.com` through `storeZZ.siroe.com`.
`calstoreAA.siroe.com`	Back-end calendar store. Select naming scheme to work with topology, for example, `calstoreAA.siroe.com` through `calstoreZZ.siroe.com`.

Table 5–3 Mapping of User Level to Maintenance Level Logical Names


Maintenance Level	User Level
`relay-in.siroe.com`	N/A
`relay-out.siroe.com`	`smtp.siroe.com`
`mmp.siroe.com`	Any one or more of `mmp.siroe.com`, `pop.siroe.com`, and `imap.siroe.com`
`storeAA.siroe.com` - `storeZZ.siroe.com`	N/A, hidden from end users
`calstore_aa.siroe.com` - `calstore_az.siroe.com`	N/A, hidden from end users