Patent ID: 8824472
Filing Date: 2014-09-02
Classification: H04L

Abstract:
1. A method comprising: receiving, at a network device, a packet that includes a basic header and at least one extension header; determining whether the at least one extension header in the received packet includes two or more extension headers of a same type; modifying the received packet to correct for the received packet having the two or more extension headers of the same type when the at least one extension header in the received packet is determined to include the two or more extension headers of the same type; determining whether the at least one extension header in the received packet includes out-of-sequence extension headers, wherein the out-of-sequence extension headers include headers that are not in a predetermined sequence; modifying the received packet to correct for the out-of-sequence extension headers when the at least one extension header in the received packet is determined to include the out-of-sequence extension headers; and sending the received packet in response to determining at least that the at least one extension header does not include the out-of-sequence extension headers and does not include the two or more extension headers of the same type.