Nikon WT-4A D4 D3X D3 D800 D700 D300S D300 - Manual (Page 194)

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Appendices
PTP-IP (Picture Transfer Protocol over Internet Protocol) : A commonly used name
for the CIPA DC-005-2005 image transfer protocol for transmitting images
over LANs. It represents an extension to the Picture Transfer Protocol (PTP)
used to transfer images between cameras and computers connected via
USB cable. The WT-4 uses PTP-IP to communicate with host computers.
Shared key
: An authentication system in which WEP keys are used to
establish whether a client has access to the network. Communication is
restricted to devices with the same WEP key.
SS-ID (Service Set ID)
: An SS-ID prevents interference between devices in
different networks by allowing communication only between devices that
share an SS-ID. See
BSS-ID, ESS-ID.
Sub-net mask : A mask that divides a network into sub-nets.
TCP/IP (Transmission Control Protocol/Internet Protocol) : A dual protocol consisting
of a transport-layer protocol (TCP) that divides data into packets which it
later reassembles, and a network protocol (IP) that handles transmission
of the packets between points in the network. It can be implemented on
different platforms, allowing data to be transmitted between machines
with different operating systems.
TKIP (Temporal Key Integrity Protocol)
: An encryption standard using dynamic
WPA-PSK keys that change periodically or after a specified amount of data have
been transmitted, making it more secure that WEP, which uses fixed keys.
UDP (User Datagram Protocol)
: A fast but unreliable transport layer
transmission protocol using the OSI model.
USB (Universal Serial Bus)
: A standard for connecting peripheral devices. USB
supports data transfer rates of up to 480 Mbps (USB 2.0). Devices
connected via USB can be connected and disconnected with the power
on (“hot plug”) and do not require separate IRQ (interrupt request)
numbers, preventing conflicts with other devices.
WAN (Wide Area Network)
: A network connecting computers or LANs in widely
separated locations. The Internet is an example of a WAN.
WEP (Wired Equivalent Privacy)
: A type of encryption in which the data
transmitted between devices is encoded using a shared encryption key
(WEP key).
Wireless LAN access point
: A wireless transceiver that acts as the connection
between wireless devices and a wireless network.
WPA-PSK (WiFi Protected Access with Pre-Shared Key)
: A type of authentication for
wireless networks using previously-established (pre-shared) TKIP or AES
keys. Wireless devices using this form of authentication can only
communicate with devices with the same pre-shared key.