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US 2007/0177872 A1Published application
Digital overlay
OwnerKetan Gadkari, Brian Kinnard +1inventors
InventorsKetan Gadkari, Brian Kinnard, Tom Warner
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Abstract
A method and apparatus for performing a digital overlay in a passive optical network is disclosed. In one embodiment the method comprises sending one or more Internet Group Management Protocol (IGMP) messages to an optical network unit (ONU) in a passive optical network (PON) using a first physical interface, and sending one or more multicast data streams associated with the one or more IGMP messages using a second physical interface, where the first and second physical interfaces are different.
Claims8
A method comprising:
- sending one or more Internet Group Management Protocol (IGMP) messages to an optical network unit (ONU) in a passive optical network (PON) using a first physical interface;
- and
- sending one or more multicast data streams associated with the one or more 1GMP messages using a second physical interface, the first and second physical interfaces being different.
Dependencies are inferred from the claim text.