kosmos.topology.link

Classes

class LinkId

Identifier of a link.

value

Identifier string.

Type:

str

---

class LinkType(*args, **kwds)

Bases: enum.Enum

Type of link.

---

class Link

Bases: abc.ABC

Base for undirected links between two nodes.

id

Link identifier.

Type:

LinkId

label

Label of the link. Defaults to None.

Type:

str | None

src

Source node.

Type:

Node

dst

Destination node.

Type:

Node

Properties

property type

Type of the link.

property weight

Cost of the link.

---

class OpticalLink

Bases: Link

Base for optical fiber links.

id

Link identifier.

Type:

LinkId

label

Label of the link. Defaults to None.

Type:

str | None

src

Source node.

Type:

Node

dst

Destination node.

Type:

Node

distance

Length of the fiber in meters.

Type:

float

attenuation

Attenuation of the fiber in dB/m.

Type:

float

signal_speed

Propagation speed in m/ps.

Type:

float

Properties

property delay

Propagation delay in ps.

property total_attenuation

Total attenuation in dB.

property transmissivity

Transmitted fraction.

property loss

Loss rate for transmitted photons.

property type

Type of the link.

property weight

Cost of the link.

---

class ClassicalLink

Bases: OpticalLink

Classical optical fiber link.

id

Link identifier.

Type:

LinkId

label

Label of the link. Defaults to None.

Type:

str | None

src

Source node.

Type:

Node

dst

Destination node.

Type:

Node

distance

Length of the fiber in meters.

Type:

float

attenuation

Attenuation of the fiber in dB/m.

Type:

float

signal_speed

Propagation speed in m/ps.

Type:

float

bandwidth

Link bandwidth in bit/s.

Type:

float

Properties

property type

Type of the link.

property weight

Heuristic cost of the classical link.

property delay

Propagation delay in ps.

property total_attenuation

Total attenuation in dB.

property transmissivity

Transmitted fraction.

property loss

Loss rate for transmitted photons.

---

class QuantumLink

Bases: OpticalLink

Quantum optical fiber link.

id

Link identifier.

Type:

LinkId

label

Label of the link. Defaults to None.

Type:

str | None

src

Source node.

Type:

Node

dst

Destination node.

Type:

Node

distance

Length of the fiber in meters.

Type:

float

attenuation

Attenuation of the fiber in dB/m.

Type:

float

signal_speed

Propagation speed in m/ps.

Type:

float

polarization_fidelity

Probability of no polarization error. Defaults to 1.0.

Type:

float

repetition_rate

Photon generation repetition rate in Hz.

Type:

float

Properties

property type

Type of the link.

property weight

Heuristic cost of the quantum link.

property delay

Propagation delay in ps.

property total_attenuation

Total attenuation in dB.

property transmissivity

Transmitted fraction.

property loss

Loss rate for transmitted photons.