Patent ID: 11876786
Assignee: COMCAST CABLE COMMUNICATIONS, LLC
Field: Digital communication (Electrical engineering)
Classification: CPC H | IPC G  H

Claim 17:
18. A system comprising:
a network device configured to:
determine a protocol identifier of a protocol associated with a header of a packet;
determine, based on a permutation of the protocol identifier associated with a shared secret, a faux protocol identifier;
replace, within the packet, the protocol identifier with the faux protocol identifier;
insert, into the packet, one or more additional headers, wherein each of the one or more additional headers comprises an additional faux protocol identifier; and
send, to a user device, the packet; and

the user device configured to:
receive the packet;
determine, based on the one or more additional headers, information associated with the faux protocol identifier;
determine, based on the information associated with the faux protocol identifier, the protocol identifier;
remove the header from the packet; and
process at least a portion of data.