البحث في مجموعات البراءات الوطنية والدولية
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1. (WO2017001629) COMMUNICATIONS NETWORK
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CLAIMS

1 . A method of operating a communications network, the method comprising the steps of:

a) executing a first learning process to allocate a communication session to one or more of a plurality of routes through the communications network, the allocation of a session to a network route being made in accordance with a requested quality of service (QoS) measure;

b) subsequently executing a second learning process to determine if the QoS measure will be breached prior to a further instance of the first learning process being executed; and

c) if the result of the second learning process indicates that the QoS measure will be breached, re-allocating the communication session to one or more further routes through the communications network wherein the one or more further routes are able to satisfy the requested QoS measure.

2. A method according to Claim 1 , wherein if the result of the second learning process indicates that the QoS measure will be breached then the communication session is divided into two or more parts, with each of the session parts being re-allocated to a respective further route through the communications network.

3. A method according to Claim 1 or Claim 2, wherein in the second learning process re-allocates the communication session to one or more further routes through the communications network which have the same class of service as the routes to which the session was allocated in the first learning process.

4. A method according to Claim 1 or Claim 2, wherein in the second learning process re-allocates the communication session to one or more further routes through the communications network which have a different class of service from the routes to which the session was allocated in the first learning process, but for which it is predicted that the requested QoS measure can be satisfied until the next instance of the first learning process is executed.

5. A method according to any of Claims 1 to 4, wherein the second learning process is executed more than once in between successive instances of the first learning process.

6. A method according to Claim 1 , the method comprising the further step of: d) if in step c) there are no further routes through the communications network which can satisfy the requested QoS measure, making no further change to the communication session.

7. A method according to Claim 1 , the method comprising the further step of: d) if in step c) there are no further routes through the communications network which can satisfy the requested QoS measure, terminating the communication session.

8. A method according to Claim 1 , the method comprising the further step of: d) if in step c) there are no further routes through the communications network which can satisfy the requested QoS measure, re-allocating the session to one or more further communication routes which can provide an improved quality of service.

9. A data carrier device comprising computer executable code for performing a method according to any of Claims 1 to 8.

10. An apparatus configured to, in use, perform a method according to any of Claims 1 to 8.

1 1 . A communications network comprising a plurality of nodes, a plurality of communications links inter-connecting the plurality of nodes, and a network gateway, the communications network being configured to, in use, perform a method according to any of Claims 1 to 8.