Sprint Communications Comapny L.p.

Jun Chen

Kenneth Charles Boydstun

Stephen L Marshall

A screened subnet for interconnecting an intranet to the Internet includes first and second subnets. A first firewall provides a first level of protection to a portion of the first subnet and to the second subnet while a second firewall provides a second level of protection to the second subnet. A secured utility VLAN provides utility services for the portion of the first subnet and/or the second subnet. The secured utility VLAN is coupled to the screened subnet such that it enjoys an additional level of protection relative to the subnets and/or the portion thereof which it serves. In various embodiments thereof, the screened subnet is configured to include a single, shared, secured utility VLAN for servicing both the portion of the first subnet and the second subnet, or a pair of discrete secured utility VLANs for respectively servicing the portion of the first subnet and the second subnet.

Growing community of inventors

Lewisville, TX, United States of America

Jun Chen