Method of generating a monitoring datagram
First Claim
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1. A method of generating a monitoring datagram for a predetermined network, the method comprising the steps of:
- generating an initial datagram;
encapsulating the initial datagram with a shim header, the shim header having a first shim entry and a second shim entry, the first and second shim entries being associated with the predetermined network;
wherein the first shim entry is next to and follows the second shim entry, the first shim entry identifying the initial datagram as having a monitoring status.
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Abstract
A method of generating a monitoring datagram for a predetermined network includes generating an initial datagram and encapsulating the initial datagram with a shim header, where the shim header has a first shim entry and a second shim entry, the first and second shim entries are associated with the predetermined network, the first shim entry is next to and follows the second shim entry, and where the first shim entry identifies the initial datagram as having a monitoring status.
99 Citations
20 Claims
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1. A method of generating a monitoring datagram for a predetermined network, the method comprising the steps of:
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generating an initial datagram;
encapsulating the initial datagram with a shim header, the shim header having a first shim entry and a second shim entry, the first and second shim entries being associated with the predetermined network;
whereinthe first shim entry is next to and follows the second shim entry, the first shim entry identifying the initial datagram as having a monitoring status. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A computer program product comprising a computer usable medium having computer program code that when executed on a computer causes the computer to execute a method of generating a monitoring datagram for a predetermined network, the method including:
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generating an initial datagram; and
encapsulating the initial datagram with a shim header, the shim header having a first shim entry and a second shim entry, the first and second shim entries being associated with the predetermined network, wherein the first shim entry is next to and follows the second shim entry, the first shim entry identifying the initial datagram as having a monitoring status.
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15. An apparatus for processing a monitoring datagram, the apparatus comprising:
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an ingress port for receiving a datagram comprising a plurality of headers corresponding to a protocol stack;
a data processing unit for supporting a header analysis entity, the analysis entity being arranged to identify, when in use, a first shim entry and a second shim entry associated with a predetermined network, the first shim entry being next to and following the second shim entry, the header analysis entity being further arranged to record data of a predetermined type relating to the datagram in response to the first shim entry bearing an identifier to identify the datagram as a monitoring datagram. - View Dependent Claims (16, 17, 18)
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19. A monitoring datagram comprising:
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a payload;
a plurality of headers corresponding to a protocol stack, the plurality of headers including a shim header having a first shim entry and a second shim entry associated with a predetermined network;
wherein the first shim entry identifies the datagram as a monitoring datagram, the first shim entry being located next to the second shim entry and following the second shim entry.
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20. A use of a shim entry followed by and next to another shim entry to identify a datagram as a monitoring datagram, the shim entry and the another shim entry being associated with a same predetermined network.
Specification