Display of end-to-end physical layer signal flow

1. A method comprising:

sending a request for a physical view of a network path that includes physical devices between two end points;

receiving, in response to the request, information obtained by:

performing a lookup of the physical devices in the network path, in accordance with the requested physical view, using different types of dependencies between devices to perform lookups of other devices, and

determining different paths of multiple single wavelength carrier signals through different sets of components of the physical devices, based on:

the lookup,

interconnectivity between the different sets of components in the physical devices,

physical locations of the different sets of components, and

a plurality of different carrier wavelengths corresponding to a same bit rate with the different sets of components; and

displaying:

a list of the physical devices in an order that the physical devices are physically connected from one of the two end points to another of the two end points,

at least a portion of the different sets of components with different single wavelength carrier signals of the multiple single wavelength carrier signals, and

at least some physical layer equipment information with each of the different single wavelength carrier signals for the same bit rate.

2. The method of claim 1 , wherein sending a request includes:

sending a request for a physical view of one or more of cables, fibers, or network interfaces that connect the two end points.

3. The method of claim 1 , wherein sending a request includes:

sending a request for a physical view of devices that carry a particular single wavelength carrier signal from the one of the two end points to the other of the two end points.

4. The method of claim 1 , wherein sending a request includes:

sending a request for a physical view of systems that connect the two end points.

5. The method of claim 1 , wherein sending a request further includes:

sending a request for a physical view of light transmission equipment that connects at least some of physical devices between the two end points.

6. The method of claim 1 , wherein displaying the list of physical devices includes:

displaying, for each device in the list, at least one of:

a target identifier of the device, a physical location identifier, a device type identifier, an identifier for a system in which the device is hosted, a port number, or a position code.

7. A method comprising:

receiving a request for a physical view of a network path;

performing a lookup of physical devices in the network path, in accordance with the requested physical view, using different types of dependencies between devices to perform lookups of other devices;

obtaining a list of the physical devices based on:

the lookup,

interconnectivity of different sets of components, in the physical devices, which form different paths for carrying multiple single wavelength carrier signals through the physical devices,

physical locations of the different sets of components, and

a plurality of different carrier wavelengths corresponding to a same bit rate with the different sets of components; and

conveying the list of physical devices to a client that displays:

the physical devices in an order that the physical devices are physically connected from one of two end points in the network path to another of the two end points,

at least a portion of the different sets of components with different single wavelength carrier signals of the multiple single wavelength carrier signals, and

at least some physical layer equipment information with each of the different single wavelength carrier signals for the same bit rate.

8. The method of claim 7 , wherein receiving a request includes:

receiving a request for a physical view of the physical devices that carry a particular wavelength carrier signal from the one of the two end points to the other of the two end points.

9. The method of claim 7 , wherein conveying the list of physical devices includes:

sending, for each of the physical devices, information about a physical location, device type, or a port number.

10. A device comprising:

a client device configured to:

send a request for a physical view about network devices that connect two end points of a network path,

receive, in response to the request, information obtained by:

performing a lookup of the network devices in the network path, in accordance with the requested physical view, using different types of dependencies between devices to perform lookups of other devices, and

determining different paths of multiple single wavelength carrier signals through different sets of components of physical devices in the network path, in accordance with:

the lookup,

the request for the physical view,

physical locations of the different sets of components in the physical devices, and

a plurality of different carrier wavelengths corresponding to a same bit rate with the different sets of components; and

display:

the complete list of the physical devices in an order that the physical devices connect the two end points,

at least a portion of the different sets of components with different single wavelength carrier signals of the multiple single wavelength carrier signals, and

at least some physical layer equipment with each of the different single wavelength carrier signals for the same bit rate.

11. The device of claim 10 , wherein the received information includes:

a particular set of components in the physical devices that carries a particular wavelength carrier signal from one of the two end points to another of the two end points.

12. The device of claim 10 , wherein the different sets of components include:

one or more of port and interface that carry a single wavelength carrier signal from one of the two end points to another of the two end points.

13. The device of claim 10 , wherein the at least some physical layer equipment includes:

one or more of physical layer transmission and reception equipment associated with the each of the different single wavelength carrier signals for the same bit rate.

14. The device of claim 10 , wherein the received information includes:

a list of light transmission equipment.

15. The device of claim 10 , wherein the received information includes, for each of the physical devices in the complete list, one or more of:

target identifier of the physical device, a physical location identifier, a device type identifier, an identifier for a system in which the physical device is hosted, a port number, or a position code.

16. The device of claim 10 , wherein the complete list of physical devices includes a list of synchronous optical network (SONET) equipment.

17. The device of claim 10 , wherein the client includes a browser.

18. The device of claim 10 , wherein the client further includes a browser plug-in.