Private network link verification procedure in free space optical communication network
DCFirst Claim
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1. A method, comprising:
- a first network device monitoring a physical level of a communication link between the first network device and a second network device;
the first network device monitoring a second level of the communication link, wherein said monitoring of the second level is usable to detect content errors in data received over the physical level of the communication link; and
the first network device enabling transmission of data over the communication link in response to determining that failures in the physical level of the communication link are below a first threshold and failures in the second level of the communication link are below a second threshold.
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Abstract
A system and method for verifying the integrity of a communication link in a wireless optical communication network. The system and method include monitoring the communication link on at least two levels and enabling or disabling signaling over the communication link appropriately depending on events reported through the system.
46 Citations
69 Claims
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1. A method, comprising:
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a first network device monitoring a physical level of a communication link between the first network device and a second network device; the first network device monitoring a second level of the communication link, wherein said monitoring of the second level is usable to detect content errors in data received over the physical level of the communication link; and the first network device enabling transmission of data over the communication link in response to determining that failures in the physical level of the communication link are below a first threshold and failures in the second level of the communication link are below a second threshold. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41)
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42. An apparatus, comprising:
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a first interface coupled to a first communication link, the first communication link having a physical level and a second level, wherein the first communication link is between the apparatus and a network device; and a processor configured to monitor the physical level and the second level of the first communication link between the apparatus and the network device, wherein said monitoring of the second level is usable to detect content errors in data received over said physical level of said first communication link; wherein the processor is configured to enable transmission of data over the first communication link between the apparatus and the network device based at least in part on determining, using the results of said monitoring the physical level and said second level, that the first communication link is operational by; detecting that failures in the physical level are below a first threshold; and detecting that failures in the second level are below a second threshold. - View Dependent Claims (43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59)
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60. An apparatus, comprising:
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an interface to a communication link, wherein the communication link includes a physical level and a second level, wherein the communication link is between the apparatus and network device, wherein monitoring of the second level is usable to detect content errors in data received via said communication link; a first means for monitoring a status of the physical level of the communication link; a second means for monitoring a status of the second level of the communication link; a third means for enabling transmission of data via the communication link in response to determining, based at least in part on the monitoring of the status of the physical level and the monitoring of the status of the second level, that the communication link is operational, wherein the third means determining that the first communication link is operational includes; detecting that failures in the physical level are below a first threshold; and detecting that failures in the second level are below a second threshold.
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61. A method for monitoring a status of a communication link, said method comprising:
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a first network device monitoring a physical level of the communication link, wherein the communication link is between the first network device and a second network device; the first network device monitoring a second level of the communication link, wherein said monitoring of the second level is usable to detect content errors of data received over the physical level of the communication link; the first network device determining whether the communication link is operational, wherein determining that the communication link is operational includes; detecting that failures in the physical level of the communication link are below a first configurable threshold; and detecting that failures in the second level of the communication link are below a second configurable threshold, wherein the second configurable threshold and the first configurable threshold are set to different values; and the first network device disabling transmission of data over the communication link in response to determining that the communication link is not operational. - View Dependent Claims (62, 63, 64, 65, 66)
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67. A method for monitoring a communication link comprising:
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a first network device monitoring a physical level of the communication link, wherein the communication link is between the first network device and a second network device, and wherein said monitoring the physical level is usable to detect data transport errors over the communication link; the first network device monitoring a second level of the communication link, wherein said monitoring the second level is usable to detect content errors of data received over the physical level of said communication link; and the first network device enabling transmission of data over said communication link based at least in part on determining that the detected data transport errors are below a first threshold, and that the detected content errors are below a second threshold; wherein said communication link uses an Internet-protocol data transport mechanism. - View Dependent Claims (68)
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69. A method comprising:
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a first network device determining that a physical level of a communication link between the first network device and a second network device has become operational; in response to said determining that the physical level is operational, the first network device determining that a second level of the communication link between the first network device and the second network device is operational based at least in part on detecting that content errors in data received over the communication link are below a first threshold value; in response to said determining that the second level is operational, the first network device determining whether said physical level is stable based at least in part on detecting that transport errors over the communication link are below a second threshold value; and in response to determining that said physical level is stable, the first network device enabling transmission of data over said communication link.
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Specification