Patent ID: 8964755
Filing Date: 2015-02-24
Classification: H04L

Abstract:
1. A method of obtaining information from one or more headers of a data item transmitted via a communication network, a predetermined portion of at least one header carrying a symbol or combination of symbols having a first pre-defined meaning according to a first pre-defined communication protocol, the method comprising: inspecting at least one header of a received data item whereby to identify the symbol or combination of symbols carried by the predetermined portion thereof; identifying whether at least one other portion of a header of said data item is carrying the same symbol or combination of symbols; and in the event that it is identified that at least one other portion of a header of said data item is carrying the same symbol or combination of symbols, processing at least one of said one or more headers according to a second pre-defined communication protocol, said second communication protocol differing from said first communication protocol.