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MaxNAS Owner’s Manual
75
Secondary Storage Mass storage devices such as hard disks, magneto-optical disks, floppy
disks and tapes are frequently referred to as secondary storage.
Secure Sockets Layer (SSL) is a cryptographic protocol which provide secure communications
on the Internet. SSL provides endpoint authentication and communications privacy over the
Internet using cryptography. In typical use, only the server is authenticated (i.e. its identity is
ensured) while the client remains unauthenticated; mutual authentication requires public key
infrastructure (or PKI) deployment to clients. The protocols allow client/server applications to
communicate in a way designed to prevent eavesdropping, tampering, and message forgery.
Secure Webdisk uses SSL. Also known as: Transport Layer Security (TLS)
Server Message Block (SMB) a network protocol mainly applied to share files, printers,
serial ports, and miscellaneous communications between nodes on a network. It also provides
an authenticated Inter-process communication mechanism. SMB and its successor, CIFS, are
the native network protocol used by the Microsoft Windows family, and is also used by Apple
MacOS X and is available for virtually every UNIX and Linux operating system.
Stripe A stripe is a logical space that spans across multiple hard disks with each constituent
hard disk contributing equal strips (or chunks) of space to the stripe.
Stripe Set A stripe set is a set of stripes that spans across multiple hard disks. In the figure
below, the displayed stripe set has 4 stripes, with strip number 1 comprised of the purple
strips 1A, 1B and 1C. Stripe number 2 is comprised of the green strips 2A, 2B and 2C etc.
Stripe Size This is the size of the strips that constitute each stripe. This term is a misnomer –
though prevalent – since it should appropriately be called strip size or chunk size.
TCP/IP (Transmission Control Protocol/Internet Protocol) A pair of communications
protocols that implement the protocol stack on which the Internet and most commercial
networks run. TCP is a peer-to-peer connection oriented protocol that guarantees the delivery
of data packets in the correct sequence between two peers. IP is the protocol that defines and
governs addressing, fragmentation, reassembly and time-to-live parameters for packets.
UPnP AV (UPnP Audio+Video) Networked Device Interoperability Guidelines, part of the
UPnP standards supervised by the DLNA (Digital Living Network Alliance), a forum of vendors
and manufacturers who work in the home entertainment industry.
Windows Internet Naming Service (WINS) is Microsoft’s implementation of NetBIOS
Name Server (NBNS) on Windows, a name server and service for NetBIOS computer
names. Effectively, it is to NetBIOS names what DNS is to domain names - a central store
for information, However the stores of information have always been automatically (e.g. at
workstation boot) dynamically updated so that when a client needs to contact a computer
on the network it can get its update normally DHCP allocated address. Networks normally
have more than one WINS server and each WINS server should be in push pull replication,
E-Glossary