End user terminals
Operator equipment

 

Mímir acts as a gateway routing IP data from the Internet to the subscribers via satellite, centralizing the reception of IP data from subscribers coming via different types of return channels (mobile, dial-up or other). Mímir also provides PEP (Proxy Enhancing Performance) features (TCP acceleration over satellite) along with different levels of security and encryption to protect from network invasion and to grant access (PKI and MAC based) to broadband services only to subscribers.

 

 

 

 

 

 

 

 

 

 

 

 

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Security

The access to the ForsONEway platform resources by the Odín remote terminals is based on PKI (Public Key Infrastructure), whereby certificates are issued for each Odín terminal within the platform based on its MAC address and the Mímir’s own private key.


The Mímir grants access to the platform resources after binding each Odin terminal’s public key to its own private key.


Satellite service routing

Enabling the differentiation of different transmission methods for forward (DVB-S2) and return channels (Mobile: 3G, GPRS and/or other methods like dial-up).


TCP acceleration (PEPsal)

“Splitting” the TCP connection between the source of data (Internet) and its destination (Odín) by the implementation of PEPsal. This can improve the performance under high latency satellite links.

 

TCP enhancement (TCPHybla)

Applying specific congestion control methods; TCP Hybla is configured to adapt automatically and optimally, depending on the actual latency of the link, the window size for the congestion control (only satellite forward channel). It is designed to counteract the performance deterioration caused by the long RTTs typical of satellite connections.

 

Congestion control

Management of the congestion which bases the control of the actual bandwidth provided to each Odin terminal based on the congestion factor following ABBS’s FAP.


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