1-15. (canceled)
16. A method of processing traffic in a packet switched telecommunications network, the method comprising:
(a) performing at least one of:
analysing, for each of a plurality of applications, traffic generated by the application to identify a collection of one or more characteristic bit sequences for the application;
providing a plurality of such collections;
(b) receiving traffic from the network; and
(c) for each of at least one of the plurality of collections:
(i) performing, for each of at least one of the characteristic bit sequences in the collection, a sequence alignment process on the received traffic against the characteristic bit sequence to derive a per-sequence score; and
(ii) assigning a per-collection score to the collection based on the per-sequence scores for the collection, the per-collection score being indicative of a likelihood that the traffic was generated by the application associated with the collection.
17. The method of claim 16, further comprising managing traffic in the network based on the per-collection scores.
18. The method of claim 17, wherein the managing traffic comprises at least one of:
determining or applying a charging policy in the network;
traffic shaping in the network; and
determining or applying a Quality of Service guarantee in the network.
19. The method of claim 16, further comprising analyzing or profiling the received traffic based on the per-collection scores.
20. The method of claim 16, further comprising identifying the application that generated the received traffic based on the per-collection scores.
21. The method of claim 20, wherein identifying the application that generated the received traffic comprises identifying the application that generated the received traffic as an application from the plurality of applications having a per-collection score that is indicative of the highest likelihood.
22. The method of claim 16, wherein at least one of the applications represents a group or class of applications.
23. The method of claim 16, wherein the received traffic comprises a plurality of packets.
24. The method of claim 16:
further comprising repeating steps (b) and (c) to assign accumulated per-collection scores to the respective collections;
wherein at least one of the following is performed based on the accumulated per-collection scores:
managing traffic in the network;
analyzing or profiling the received traffic;
identifying the application.
25. The method of claim 24, further comprising normalizing the accumulated per-collection scores.
26. The method of claim 16, wherein the per-collection score for a collection is derived from at least one of the mean, mode, and median of the per-sequence scores for the collection.
27. An apparatus for processing traffic in a packet switched telecommunications network, comprising:
one or more processing circuits configured to:
perform at least one of:
analysing, for each of a plurality of applications, traffic generated by the application to identify a collection of one or more characteristic bit sequences for the application;
providing a plurality of such collections;
receive traffic from the network; and
for each of at least one of the plurality of collections:
perform, for each of at least one of the characteristic bit sequences in the collection, a sequence alignment process on the received traffic against the characteristic bit sequence to derive a per-sequence score; and
assign a per-collection score to the collection based on the per-sequence scores for the collection, the per-collection score being indicative of a likelihood that the traffic was generated by the application associated with the collection.
28. A computer program product stored in a non-transitory computer readable medium for controlling a programmable network entity in a packet switched telecommunications network, the computer program product comprising software instructions which, when run on the programmable network entity, causes the programmable network entity to:
perform at least one of:
analysing, for each of a plurality of applications, traffic generated by the application to identify a collection of one or more characteristic bit sequences for the application;
providing a plurality of such collections;
receive traffic from the network; and
for each of at least one of the plurality of collections:
perform, for each of at least one of the characteristic bit sequences in the collection, a sequence alignment process on the received traffic against the characteristic bit sequence to derive a per-sequence score;
assign a per-collection score to the collection based on the per-sequence scores for the collection, the per-collection score being indicative of a likelihood that the traffic was generated by the application associated with the collection.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. An AC electrical power distribution system comprising:
a first primary distribution panel (PDP) connected to a first source of electrical power;
a second PDP connected to a second source of electrical power, said second PDP being connected to said first PDP by a cross-tie conductor;
a first solid state power controller (SSPC) receiving signals corresponding to a first flow of current through said first PDP;
a second SSPC receiving signals corresponding to a second flow of current through said second PDP;
a data communication bus between the first and second PDPs housing the first and second SSPCs and communicating current information through both the first and second SSPCs; and
said first and second SSPCs responding to a fault condition in said conductor by interrupting a third flow of electrical power between said first and second PDPs.
2. The electrical power distribution system of claim 1 further comprising:
a first current sensor sending signals corresponding to said first flow of current from said first source through said first PDP; and
a second current sensor sending signals corresponding to said second flow of current from said second source through said second PDP.
3. The electrical power distribution system of claim 2 wherein said second current sensor sends signals corresponding to the flow of current from said second source to said first SSPC.
4. The electrical power distribution system of claim 2 wherein said first current sensor sends signals corresponding to the flow of current from said first source to said second SSPC.
5. The electrical power distribution system of claim 2 wherein said first and second current sensors are current transformers.
6. The electrical power distribution system of claim 1 wherein said first and second sources of electrical power are sources of variable frequency electrical power.
7. The electrical power distribution system of claim 1 wherein said first and second sources of electrical power are sources of constant frequency electrical power.
8. An electrical power distribution system comprising:
a first source of electrical power connected to a first primary distribution panel (PDP);
a second source of electrical power connected to a second PDP;
an electrical load;
a first solid state power controller (SSPC) to said first source of electrical power;
a second SSPC connected to said second source of electrical power; and
a cross-tie conductor connected between the first PDP and the second PDP.
9. The electrical power distribution system of claim 8 wherein the first SSPC sensing a fault condition in the cross-tie conductor and in response thereto, interrupting flow of electrical power between the first PDP and the second PDP.
10. The electrical power distribution system of claim 8 further comprising a current sensor connected to said first SSPC.
11. The electrical power distribution system of claim 9 further comprising:
a first power bus bar connected to said first source of electrical power and to said first PDP; and
a second power bus bar connected to said second source of electrical power and to said second PDP.
12. A circuit for protecting an electrical power distribution system comprising:
a first power distribution panel (PDP) connected to a first bus bar, the first bus bar connected to a first source of electrical power;
a second PDP connected to a second bus bar, the second bus bar connected to a second source of electrical power;
a cross-tie conductor connection the second PDP to the first PDP;
a first solid state power controller (SSPC) receiving signals corresponding to a flow of current in the cross-tie conductor through the first PDP, the first SSPC receiving current information corresponding to a flow of current in the second PDP via a communication data bus;
a second SSPC receiving signals corresponding to the flow of current in the cross-tie conductor through the second PDP, the second SSPC receiving current information corresponding to the flow of current in the first PDP via the communication bus;
wherein the first SSPC and the second SSPC responds to a fault condition in the cross-tie conductor by interrupting the flow of electrical power between the first PDP and the second PDP.
13. The circuit of claim 12 wherein the first SSPC internally receives signals corresponding to the flow of current in the cross-tie conductor through the first PDP.
14. The circuit of claim 12 wherein the second SSPC internally receives signals corresponding to the flow of current in the cross-tie conductor through the second PDP.
15. The circuit of claim 12 further comprising a control device connected to and controlling said first SSPC and said second SSPC.