Romantis Satellite Communications UHP-1000 User Manual download pdf (Page 6)

Point-to-point

The satellite modems establish a direct Ethernet connec-

tion when a network link is set up between two locations.

Then, two R&S®SITLine encryptors connected to the UHP

negotiate an individual session key, which is used to se-

cure the satellite link. The data is transmitted in cipher

feedback mode (CFB). This is a cryptographic mode that

does not generate additional protocol information (over-

head). It allows the satellite link to be encrypted without

adding bandwidth.

The data encryption is completely transparent for the user.

Any kind of protocol (IPv4 or IPv6) or service (FTP, SMTP,

etc.) can run over a secured network connection. The full

bandwidth of the satellite link is available, without any

losses.

Star – point-to-multipoint

A star topology consists of point-to-point connections

between a central location and multiple remote locations.

Network traffic at the central location needs to be as-

signed to a destination location so that it can be encrypted

specifically for that destination. This can be achieved by

deployingmultipleR&S®SITLineETH50encryptorsora

singleR&S®SITLineETH100multiportencryptor.

Encrypting different

SatCom network

topologies

Star – point-to-multipointPoint-to-point

Central location

Remote location

Remote location Remote location

Remote location

SITLine-SATCOM_app-bro_en_3606-8189-92_v0100.indd 6 28.03.2013 11:18:53

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Romantis Satellite Communications UHP-1000 User Manual Page 6