System and Method for Protecting an Optical Network
First Claim
Patent Images
1. A method for protecting traffic in a passive optical network (PON), comprising:
- transmitting downstream traffic destined for one or more optical network units (ONUs) from a first set of one or more transmitters;
substantially simultaneously transmitting the same downstream traffic destined for the one or more ONUs from a second set of one or more transmitters; and
selecting either the downstream traffic from the first set of transmitters or the second set of transmitters for communication to a remote node (RN) of the PON.
1 Assignment
0 Petitions
Accused Products
Abstract
In accordance with the teachings of the present invention, a method for protecting traffic in a passive optical network (PON), includes transmitting downstream traffic destined for one or more optical network units (ONUs) from a first set of one or more transmitters. The method further includes substantially simultaneously transmitting the same downstream traffic destined for the one or more ONUs from a second set of one or more transmitters. The method further includes selecting either the downstream traffic from the first set of transmitters or the second set of transmitters for communication to a remote node (RN) of the PON.
85 Citations
31 Claims
-
1. A method for protecting traffic in a passive optical network (PON), comprising:
-
transmitting downstream traffic destined for one or more optical network units (ONUs) from a first set of one or more transmitters; substantially simultaneously transmitting the same downstream traffic destined for the one or more ONUs from a second set of one or more transmitters; and selecting either the downstream traffic from the first set of transmitters or the second set of transmitters for communication to a remote node (RN) of the PON. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 23)
-
-
9. A method for protecting traffic in a passive optical network (PON), comprising:
-
receiving at a redundant optical network unit (ONU) downstream traffic destined for a plurality of primary ONUs; determining that the downstream traffic was not received by one or more of traffic routing devices; and communicating the downstream traffic received at the redundant ONU to the one or more traffic routing devices. - View Dependent Claims (10, 11, 12, 13, 14, 15)
-
-
16. A system for protecting traffic in a passive optical network (PON), comprising:
-
a first set of one or more transmitters operable to transmit downstream traffic destined for one or more optical network units (ONUs); a second set of one or more transmitters operable to transmit, substantially simultaneously with the first set of transmitters, the same downstream traffic destined for the one or more ONUs; and a selector operable to select either the downstream traffic from the first set of transmitters or the second set of transmitters for communication to a remote node (RN) of the PON. - View Dependent Claims (17, 18, 19, 20, 21, 22)
-
-
24. A system for protecting traffic in a passive optical network (PON), comprising:
-
a plurality of primary optical network units (ONUs); a redundant ONU operable to receive downstream traffic destined for the plurality of primary ONUs; one or more of traffic routing devices associated with the primary ONUs, each traffic routing device operable to; receive the downstream traffic from a respective primary ONU; receive the downstream traffic from the redundant ONU; and determine that it did not receive the downstream traffic from the respective primary ONU; and a traffic routing device associated with the redundant ONU operable to communicate the downstream traffic received at the redundant ONU to the one or more traffic routing devices associated with the primary ONUs. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31)
-
Specification