Patent ID: 8046492
Filing Date: 2011-10-25
Classification: H04L,Y10S

Abstract:
1. A method comprising: receiving, in a network device, a filter registration request from a control software element, of the network device, where the filter registration request includes at least a field name and a filter value; identifying, by the network device and based on a table, an offset value associated with the field name, included in the filter registration request, where the table maps the field name to the offset value; generating, by the network device, a filter based on the filter value and the identified offset value; filtering, by the network device and using the generated filter, a message, where the filtering includes: updating, by the network device, the table to map the field name to another offset value; generating, by the network device, another filter based on the filter value and the other offset value; and filtering, by the network device and using the other filter, another message.