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Feature Descriptions MDM6000 Satellite Modem
14.11 Stream Encapsulation
Before the IP traffic is modulated, the IP traffic is classified, shaped and encapsulated.
Use one of the following encapsulation protocols.
• Protocols that are optimized for the DVB-S2 standard.
Typically used in applications where bandwidth efficiency is important, such as IP backbone or IP
trunking applications.
– GSE (Generic Stream Encapsulation) is a standard DVB protocol and generates marginally
less overhead than XPE.
– XPE (Extended Performance Encapsulation) is a Newtec Proprietary protocol and in general
used in combination with Newtec products such as EL470, EL970 or other compatible
Newtec products.
Note that XPE was the forerunner of GSE because GSE was not standardized yet.
• Protocols that are compatible with the regular MPEG Transport Streams (DVB-S standard).
Typically used when compatibility with legacy receiver products or interoperability with low cost
IP receivers or set top boxes are necessary.
– MPE (Multi Protocol Encapsulation), was the first available protocol and therefor widely used
by many legacy receivers.
– ULE (Ultra Light Encapsulation), is a protocol that is more flexible and next to this offers an
increased efficiency (better throughput).
Depending on the protocol a different procedure is used.
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