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iSavi
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User Guide
Method 5: Network Support
Inmarsat network support basic data compression.
• The communication going from a satellite to ground is called downlink, and when it is going from
ground to a satellite it is called uplink. The TCP / PEP with a downlink to the terminal improve the
performance of downloaded data. Through a PC client on the user’s laptop, PEP can perform a
compression and reduce over-the-air data. Currently, the client software is only available for Microsoft
Windows and Apple OSX. It can be downloaded from the Inmarsat website.
• Inmarsat Distributor Partners (DP) might be able to provide further compression technology for the
users. In addition, the DP might also provide tailored services for the users (Example: firewall service.)
