Differentiated handling of data traffic with adaptation of network address lookup
First Claim
1. A method for differentiated handling of data traffic related to a network resource, said data traffic being preceded by a lookup procedure for obtaining a network address of the network resource, the method implemented by a network device and comprising the steps of:
- processing a message of the lookup procedure for adapting the lookup procedure to return a network address of a replacement network resource capable of replacing the network resource in communication of the data traffic,wherein the network address of the replacement network resource is selected in accordance with a traffic class of the data traffic related to the network resource, andwhereby differentiated handling of the data traffic in said communication with the replacement network resource is accomplished using a packet classification rule operating on the basis of the network address of the replacement network resource.
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Abstract
Differentiated Handling of Data Traffic with Adaptation of Network Address Lookup In a method of differentiated handling of data traffic, the data traffic is related to a network resource and is preceded by a lookup procedure for obtaining a network address of the network resource. A message of the lookup procedure is processed for adapting the lookup procedure. Due to the adaptation, the lookup procedure returns a network address of a replacement network resource. The replacement network resource is capable of replacing the network resource in communication of data packets of the data traffic. On the basis of the network address of the replacement network resource, differentiated handling of the data packets in said communication with the replacement network resource is accomplished.
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Citations
16 Claims
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1. A method for differentiated handling of data traffic related to a network resource, said data traffic being preceded by a lookup procedure for obtaining a network address of the network resource, the method implemented by a network device and comprising the steps of:
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processing a message of the lookup procedure for adapting the lookup procedure to return a network address of a replacement network resource capable of replacing the network resource in communication of the data traffic, wherein the network address of the replacement network resource is selected in accordance with a traffic class of the data traffic related to the network resource, and whereby differentiated handling of the data traffic in said communication with the replacement network resource is accomplished using a packet classification rule operating on the basis of the network address of the replacement network resource. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A network device, comprising:
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an interface for receiving a message of a lookup procedure for obtaining a network address of a network resource, and a processor configured to process the message so as to adapt the lookup procedure to return a network address of a replacement network resource capable of replacing the network resource in communication of data traffic and to select the network address of the replacement network resource in accordance with a traffic class of the data traffic related to the network resource, whereby allowing for differentiated handling of the data traffic in said communication with the replacement network resource is accomplished using a packet classification rule operating on the basis of the network address of the replacement network resource.
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15. A network system, comprising:
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a replacement network resource capable of replacing a network resource in communication of data traffic; a network device configured to process a message of a lookup procedure for obtaining a network address of the network resource, said processing adapting the lookup procedure to return a network address of the replacement network resource and to select the network address of the replacement network resource in accordance with a traffic class of the data traffic related to the network resource; and at least one communication device configured to accomplish, on the basis of the network address of the replacement network resource, differentiated handling of the data traffic in said communication with the replacement network resource using a packet classification rule operating on the basis of the network address of the replacement network resource.
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16. A non-transitory computer-readable medium which has an executable computer program product stored thereon, the computer program product comprising program code to be processed by a processor of a network device, thereby causing the network device to operate as follows:
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processing a message of the lookup procedure for adapting the lookup procedure to return a network address of a replacement network resource capable of replacing the network resource in communication of data traffic, wherein the network address of the replacement network resource is selected in accordance with a traffic class of the data traffic related to the network resource, and whereby differentiated handling of the data traffic in said communication with the replacement network resource is accomplished using a packet classification rule operating on the basis of the network address of the replacement network resource.
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Specification