Multiple-rate optical network unit (ONU) activation
An OLT comprises a processor configured to generate a first message comprising a first field instructing an ONU to report its data rate capability as at least one of 10 Gb/s, 25 Gb/s, or 50 Gb/s; a transmitter coupled to the processor and configured to transmit the first message to the ONU; and a receiver coupled to the processor and configured to receive a second message from the ONU in response to the first message, the second message comprises a second field indicating the data rate capability. A method comprises generating a first message comprising a first field instructing reporting of a data rate capability as at least one of 10 Gb/s, 25 Gb/s, or 50 Gb/s; transmitting the first message; and receiving a second message in response to the first message, the second message comprises a second field indicating the data rate capability.
1. An optical line terminal (OLT) comprising:
a processor configured to generate a serial number (SN) grant comprising an allocation structure, the allocation structure comprises an allocation identifier (Alloc-ID) equal to 1020 to indicate a 50 gigabits per second (Gbit/s) upstream line rate for an optical network unit (ONU), equal to 1021 to indicate a 25 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate or the 25 Gbit/s upstream line rate; and
a transmitter coupled to the processor and configured to transmit the SN grant to the ONU.
2. The OLT of claim 1 , wherein the allocation structure comprises the Alloc-ID equal to 1020 to indicate the 50 Gbit/s upstream line rate, equal to 1021 to indicate the 25 Gbit/s upstream line rate for the ONU, equal to another value to indicate a 12.5 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate, the 25 Gbit/s upstream line rate, or the 12.5 Gbit/s upstream line rate.
3. A method implemented by an optical line terminal (OLT), the method comprising:
generating a serial number (SN) grant comprising an allocation structure, the allocation structure comprises an allocation identifier (Alloc-ID) equal to 1020 to indicate a 50 gigabits per second (Gbit/s) upstream line rate for an optical network unit (ONU), equal to 1021 to indicate a 25 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate or the 25 Gbit/s upstream line rate for the ONU; and
transmitting the SN grant to the ONU.
4. The method of claim 3 , wherein the allocation structure comprises the Alloc-ID equal to 1020 to indicate the 50 Gbit/s upstream line rate for the ONU, equal to 1021 to indicate the 25 Gbit/s upstream line rate for the ONU, equal to another value to indicate a 12.5 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate, the 25 Gbit/s upstream line rate, or the 12.5 Gbit/s upstream line rate for the ONU.
5. A computer program product comprising instructions that are stored on a computer-readable medium and that, when executed by a processor, cause an optical line terminal (OLT) to:
generate a serial number (SN) grant comprising an allocation structure, the allocation structure comprises an allocation identifier (Alloc-ID) equal to 1020 to indicate a 50 gigabits per second (Gbit/s) upstream line rate for an optical network unit (ONU), equal to 1021 to indicate a 25 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate or the 25 Gbit/s upstream line rate; and
transmit the SN grant to the ONU.
6. The computer program product of claim 5 , wherein the allocation structure comprises the Alloc-ID equal to 1020 to indicate the 50 Gbit/s upstream line rate for the ONU, equal to 1021 to indicate the 25 Gbit/s upstream line rate for the ONU, equal to another value to indicate a 12.5 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate, the 25 Gbit/s upstream line rate, or the 12.5 Gbit/s upstream line rate for the ONU.
7. An optical network unit (ONU) comprising:
a receiver configured to receive a serial number (SN) grant from an optical line terminal (OLT), the SN grant comprises an allocation structure, the allocation structure comprises an allocation identifier (Alloc-ID) equal to 1020 to indicate a 50 gigabits per second (Gbit/s) upstream line rate for the ONU, equal to 1021 to indicate a 25 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate or the 25 Gbit/s upstream line rate; and
a processor coupled to the receiver and configured to process the SN grant.
8. The ONU of claim 7 , wherein the allocation structure comprises the Alloc-ID equal to 1020 to indicate the 50 Gbit/s upstream line rate for the ONU, equal to 1021 to indicate the 25 Gbit/s upstream line rate for the ONU, equal to another value to indicate a 12.5 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate, the 25 Gbit/s upstream line rate, or the 12.5 Gbit/s upstream line rate for the ONU.
9. A method implemented by an optical network unit (ONU), the method comprising:
receiving a serial number (SN) grant from an optical line terminal (OLT), the SN grant comprises an allocation structure, the allocation structure comprises an allocation identifier (Alloc-ID) equal to 1020 to indicate a 50 gigabits per second (Gbit/s) upstream line rate for the ONU, equal to 1021 to indicate a 25 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate or the 25 Gbit/s upstream line rate; and
processing the SN grant.
10. The method of claim 9 , wherein the allocation structure comprises the Alloc-ID equal to 1020 to indicate the 50 Gbit/s upstream line rate for the ONU, equal to 1021 to indicate the 25 Gbit/s upstream line rate for the ONU, equal to another value to indicate a 12.5 Gbit/s upstream line rate for the ONU, or equal to 1023 to indicate the 50 Gbit/s upstream line rate, the 25 Gbit/s upstream line rate, or the 12.5 Gbit/s upstream line rate for the ONU.