1
Masuma Ahmed, Stephen M Walters: Broadband private virtual network service and system. Bell Communications Research, Leonard Charles Suchyta, Joseph Giordano, July 11, 1995: US05432785 (103 worldwide citation)

A system and method for operating a Broadband ISDN to support a viable virtual private network (VPN) service are attained by establishing a plurality of virtual path links connecting customer locations and broadband switching systems, by cross-connecting virtual channel links at the broadband switch ...


2
Masuma Ahmed, Douglas P Clark, Shin ichiro Hayano: System and method for providing egress policing for broadband virtual private networks. Bell Communications Research, Leonard Charles Suchyta, Joseph Giordano, July 11, 1995: US05432783 (22 worldwide citation)

A system and method for operating a Broadband ISDN to support a viable virtual private network (VPN) service are attained by establishing a plurality of virtual path links connecting customer locations and broadband switching systems, by cross-connecting virtual channel links at the broadband switch ...


3
Ralph Spickermann, Steven R Sakamoto, Masuma Ahmed: Use of coarse WDM channels for upstream traffic in fiber-to-the-home systems. Keith D Nelson, Lockheed Martin Corporation, July 22, 2004: US20040141748-A1

Fiber-to-the-home communication systems and methods that use coarse wavelength-division-multiplexed (WDM) channels for upstream data traffic to increase the dedicated upstream data rate for each subscriber to greater than 10 Megabit/sec. Data for upstream transmission from the subscriber to a first ...