Patent ID: 9515992
Filing Date: 2016-12-06
CPC Classification: H04L

Claim Text:
1. A secure small form-factor pluggable transceiver (SFP) comprising a separation module operatively connectible to a network device, the separation module being configured to control data communication in the communication network, the separation module being assigned with a network-id associating the separation module with a given network environment; the separation module being further configured to: tag, based on the network-id, a payload of a data packet received by the network device to be forwarded in a first direction, in order to associate the data packet with the given network environment; and determine whether a payload of a data packet received by the network device to be forwarded in a second direction, is tagged with a tag compatible with the assigned network-id, and if it is, remove the tag from the payload of the data packet and allow transmission of the data packet.