Pluggable module with integrated data analysis function
The invention relates to a network comprising at least one host device having an interface card connected to a backplane of said host device, wherein said interface card comprises at least one cage for receiving a pluggable module which performs a traffic management of data transported via at least one optical fiber connected to said pluggable module.
1. A host device in a network for transporting data via at least one optical fibre, the host device comprising an interface card connected to a backplane of said host device,
wherein said interface card comprises at least one cage for receiving a pluggable module,
wherein said pluggable module comprises a diagnostic unit which receives local performance data from electronic components of said pluggable module and reports said performance data via an electrical interface to said host device,
wherein said pluggable module comprises:
a mapping unit which controls a laser driver depending on the local performance data received from said diagnostic unit to transfer said performance data via an embedded communication channel (ECC) to a far end pluggable module; and
a de-mapping unit for storing performance data extracted from the embedded communication channel (ECC) in a memory of said diagnostic unit,
wherein said pluggable module performs a latency measurement of a latency for transporting data from at least one of said pluggable modules to one of a far end pluggable module or to a far end device and a link test, and
wherein said mapping and de-mapping units are connected to the diagnostic unit.
2. The host device according to claim 1 , wherein said electronic components comprise a transmission diode, a receiving diode, a laser driver, a transimpedance amplifier and a limiting or linear amplifier.
3. The host device according to claim 1 , wherein said diagnostic unit comprises the memory for storing local performance data of said pluggable module.
4. The host device according to claim 3 , wherein said memory is a SFF-8472 memory comprising unallocated bytes used for exchanging DMI (digital monitoring interface) performance data with a far end pluggable module, wherein a second set of an SFF 8472 performance data indicating a performance at the far end is stored in said memory.
5. The host device according to claim 3 , wherein the pluggable module performs near end and far end bidirectional performance monitoring and near end and far end digital performance parameters are stored in said memory.
6. The host device according to claim 1 , wherein the pluggable module comprises at least one data processing circuit for performing performance monitoring being connected to said diagnostic unit.
7. The host device according to claim 6 , wherein said data processing circuit increments at least one performance counter provided in a memory of said diagnostic unit depending on a measured performance indicator, wherein said performance indicator is formed by a BER (bit error rate), measurement—a CV (Coding Violation), a corrected or uncorrected FEC (Forward Error Correction) or by Frame Drops.
8. The host device according to claim 3 , wherein said memory of said diagnostic unit is a SFF-8472 memory comprising unallocated bytes used for a ES (error seconds), a SES (severe error seconds) performance counter, a UAS (Unavailable Seconds) performance counter and a BER (Bit Error Rate) performance counter.
9. The host device according to claim 6 , wherein said pluggable module comprises a SERDES (serial deserializer) for supplying data from a transmit data path to said data processing circuit and a SERDES for supplying data from a reception data path of said pluggable module to said data processing circuit.
10. A pluggable module for transport of data via at least one optical fibre between host devices,
wherein said pluggable module comprises a diagnostic unit which receives local performance data from electronic components of said pluggable module and reports said performance data via an electrical interface to said host device,
wherein said pluggable module comprises:
a mapping unit which controls a laser driver depending on the local performance data received from said diagnostic unit to transfer said performance data via an embedded communication channel (ECC) to a far end pluggable module; and
a de-mapping unit for storing performance data extracted from the embedded communication channel (ECC) in a memory of said diagnostic unit,
wherein said pluggable module performs a latency measurement of a latency for transporting data from at least one of said pluggable modules to one of a far end pluggable module or to a far end device and a link test, and
wherein said mapping and de-mapping units are connected to the diagnostic unit.
11. The pluggable module of claim 10 ,
wherein at least one of said host devices comprises at least one interface card connected to a backplane of said one of said host devices, and
wherein said interface card comprises at least one cage for receiving the pluggable module.
12. A data transport system for transporting optical data via at least one optical fibre,
wherein at both ends of said optical fibre a pluggable module is attached,
wherein said pluggable module comprises a diagnostic unit which receives local performance data from electronic components of said pluggable module and reports said performance data via an electrical interface to said host device,
wherein said pluggable module comprises:
a mapping unit which controls a laser driver depending on the local performance data received from said diagnostic unit to transfer said performance data via an embedded communication channel (ECC) to a far end pluggable module; and
a de-mapping unit for storing performance data extracted from the embedded communication channel (ECC) in a memory of said diagnostic unit,
wherein said pluggable module performs a latency measurement of a latency for transporting data from at least one of said pluggable modules to one of a far end pluggable module or to a far end device and a link test, and
wherein said mapping and de-mapping units are connected to the diagnostic unit.
13. A method for transport of data between host devices of a network via at least one optical fibre,
wherein a pluggable module attached to said optical fibre is connected to a corresponding cage of one of said host devices,
wherein said pluggable module comprises a diagnostic unit which receives local performance data from electronic components of said pluggable module and reports said performance data via an electrical interface to said host device,
wherein said pluggable module comprises:
a mapping unit which controls a laser driver depending on the local performance data received from said diagnostic unit to transfer said performance data via an embedded communication channel (ECC) to a far end pluggable module; and
a de-mapping unit for storing performance data extracted from the embedded communication channel (ECC) in a memory of said diagnostic unit,
wherein said pluggable module performs a latency measurement of a latency for transporting data from at least one of said pluggable modules to one of a far end pluggable module or to a far end device and a link test, and
wherein said mapping and de-mapping units are connected to the diagnostic unit.