Administering IBM Traveler
Information on planning, installing, configuring, and administering IBM Traveler.
- Planning for installation and configuration
  There are many installation and configuration considerations you should review before installing the IBM Traveler server.
  - Choosing a deployment configuration
    The IBM Traveler server can be deployed using several different configurations.
  - Planning IBM Traveler on IBM® i
    There are several IBM® i operating system considerations to be aware of when planning the IBM Traveler server installation on IBM i.
  - Clustering and failover
    The key to any production environment is the enablement of redundancy to account for planned or unplanned outages.
  - Planning for device security
    This section provides information about each IBM Traveler security option and how they can be applied by device type. You can use this information to plan your security configuration for IBM Traveler on your devices.
  - Planning for migration
    Migration covers a number of scenarios.
  - Language support
    This section lists and provides information on all supported language for IBM Traveler.
  - Sync protocol support
    When data is synced between the server and device, it is done so utilizing a protocol which controls what the message content (the HTTP body) contains.
  - Capacity planning guidelines
    This section provides guidance on capacity planning for various deployment configurations of the IBM Traveler server. It also touches on best practices for monitoring capacity.
  - Estimating the space needed for the IBM Traveler database
    You can estimate how much space is needed for the IBM Traveler database before it is installed.
- Installing the IBM Traveler server
  The following topics describe options for installing and uninstalling the server:
- Configuring IBM Traveler server
  The IBM Traveler configuration settings are part of the Domino® server document. The first time that the IBM Traveler server is started, it performs any necessary configurations. You might want to perform additional configurations beyond the basics. The following topics describe additional configuration options.
- Administering IBM Traveler
  The IBM Traveler server component functions as a Domino® server add-in task and responds to Domino server console commands. Topics in this section describe common administrative tasks for administering a IBM Traveler server.

Estimating the space needed for the IBM Traveler database

You can estimate how much space is needed for the IBM Traveler database before it is installed.

IBM Traveler uses a relational database to store configuration settings as well as meta-data for sync engine operation. By default, IBM Traveler uses a Derby database which is located in the <Domino Data>\traveler\ntsdb directory. If IBM Traveler has been configured to use an enterprise database, then the Derby database in the directory previously listed is not used.

To estimate how much space is needed for the IBM Traveler database, use the following heuristic equation:

U * (D * (700 * V + 4000)) = Recommended DB space available in bytes

where

U = number of users 
D = number of documents per user (a document is a mail message, a contact, a calendar entry, etc...)
V = number of devices per user

This equation applies when estimating the space needed for a local Derby database or for an enterprise database used for IBM Traveler. The equation also intentionally overestimates the size to ensure adequate space for the IBM Traveler database.

Some examples:

An IBM Traveler server database servicing 1,000 users with 5,000 documents per user and 1.5 devices per user should allow for 25GB of database space.
An IBM Traveler server database servicing 3,000 users with 10,000 documents per user and 1.25 devices per user should allow for 146GB of database space.

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