S. Nojima et al., "Integrated Services Packet Network Using Bus Matrix Switch," IEEE Journal on Selected Areas in Communications, Oct. 8, 1987, vol. SAC-5, No. 8, pp. 1284-1292. |
K. Eng et al., "Multicast and Broadcast Services in a Knockout Packet Switch", p. 31 left col., line 1-5 and line 28-right col., line 26, p. 33, left col., line 20-57. |
P. Newman et al., "A Slotted Ring Copy Fabric for a Multicast Fast Packet Switch", Section 4.3, paragraph 3. |
M. Nagasawa et al., "Packet Switching Network Access Protocols for Multi Media Packet Communications", FIG. 4. |