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An extranet is a controlled private computer network that allows communication with business partners, vendors and suppliers or an authorized set of customers. It extends intranet to trusted outsiders. It provides access to needed services for authorized parties, without granting access to an organization's entire network.
The physical network topology can be directly represented in a network diagram, as it is simply the physical graph represented by the diagrams, with network nodes as vertices and connections as undirected or direct edges (depending on the type of connection). [3] The logical network topology can be inferred from the network diagram if details ...
Whereas the Internet is a public offering, MPLS PIP networks are private. This lends a known, often used, and comfortable network design model for private implementation. Private IP removes the need for antiquated Frame Relay networks, and even more antiquated point-to-point networks, with the service provider able to offer a private extranet ...
Connection-oriented transport-layer protocols provide connection-oriented communications over connectionless communication systems. A connection-oriented transport layer protocol, such as TCP, may be based on a connectionless network-layer protocol such as IP, but still achieves in-order delivery of a byte-stream by means of segment sequence numbering on the sender side, packet buffering, and ...
It provides a uniform networking interface that hides the actual topology (layout) of the underlying network connections. It is therefore also the layer that establishes internetworking. Indeed, it defines and establishes the Internet. This layer defines the addressing and routing structures used for the TCP/IP protocol suite.
The networks were operated over telecommunications networks and, as for voice communications, a certain amount of security and secrecy was expected and delivered. But with the Internet in the 1990s came a new type of network, virtual private networks , built over this public infrastructure, using encryption to protect the data traffic from ...
X.25 is an ITU-T standard protocol suite for packet-switched data communication in wide area networks (WAN). It was originally defined by the International Telegraph and Telephone Consultative Committee (CCITT, now ITU-T) in a series of drafts and finalized in a publication known as The Orange Book in 1976.
In telecommunications, a network-to-network interface (NNI) is an interface that specifies signaling and management functions between two networks. An NNI circuit can be used for interconnection of signalling (e.g., SS7 ), Internet Protocol (IP) (e.g., MPLS ) or ATM networks.