Comtech EF Data DMD1050TS, Installation And Operation Manual

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DMD1050TS Satellite Modem Board
Revision 1
Appendix F F–9 MN-DMD1050TS
F.8.7 Internal Buffer and Throttle
The EEI provides 120 Kb of internal data storage for Ethernet traffic buffering. When this buffer is
almost full, industry standard backpressure, or an IEEE 802.3x Pause Frame, prevents the buffer
from overrun. Together, the two provide an effective rate exchange and throttle between the
Ethernet port and the satellite link.
F.8.8 Any Data Rate, Modulation Type, FEC or Application
The EEI can be used with the right DMD20, DMD50 or DMD2050 to provide a transparent
satellite connection at data rates ranging from 4.8 kbps to 20 Mbps. EEI can be used with any
available FEC and Modulation Type, including DVB-S. EEI offers plug and play connectivity,
regardless of the protocols used to transfer data between applications:
•
IPv4 or IPv6
•
Older standards, such as UDP and TCP
•
Newer standards, such as RTP for MPEG Video and HTTPS for secure Internet access
•
The latest SCTP usage as a transport mechanization for SIP
•
With or without IPSec, regardless of how it is used
•
Proprietary acceleration, an open network standard or no acceleration at all
•
10/100BaseT
EEI will pass transparently, any data transmitted via Ethernet, from one end of the satellite link to
the other.