GLOSSARY 139

SVC Switched Virtual Connection. A standard signaling protocol that automatically defines connections as they are needed, and discards them when complete.

switched virtual LAN A logical network consisting of several different LAN Emulation domains controlled through an intelligent management application.

switching module A CoreBuilder 7000 switching module found in the slot just under the power supply. An additional switching module can be used for redundancy. The switching module contains a control port, a management port and a service port.

synched external Port that has been synchronized according to the external clock clock port supported by the external clock source port. Only on-board 8-port ports

can function as synched ports. Ports that are to be synched should be configured to internal clock mode.

T

topology database The database that describes the topology of the entire PNNI routing domain as seen by a node.

topology The physical or logical placement of stations on a network in relation to one another.

traffic management The aspect of the traffic control and congestion control procedures for ATM. ATM layer traffic control refers to the set of actions taken by the network to avoid congestion conditions. ATM layer congestion control refers to the set of actions taken by the network to minimize the intensity, spread and duration of congestion.

U

UBR Unspecified Bit Rate. UBR is an ATM service category which does not specify traffic related service guarantees. Specifically, UBR does not include the notion of a per-connection negotiated bandwidth. No numerical commitments are made with respect to the cell loss ration experienced by a UBR connection, or as to the cell transfer delay experienced by cells on the connection.

UNI User-Network Interface. An interface point between ATM end users and a private ATM switch, or between a private ATM switch and the public carrier ATM network defined by physical and protocol specifications per

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3Com 7000 manual Glossary
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7000 specifications

The 3Com 7000 is a robust and versatile networking solution designed to meet the demands of enterprise environments. Renowned for its reliability and scalability, the 3Com 7000 is highly suitable for organizations requiring efficient data handling and enhanced network performance. This multi-layer switching platform integrates advanced technologies, making it a preferred choice for modern businesses.

One of the standout features of the 3Com 7000 is its modular architecture. This design allows businesses to customize their network according to specific requirements by adding or replacing various modules. The modularity ensures that organizations can scale their network operations without significant downtime or the necessity of overhauling existing infrastructure. Such flexibility is vital for growing enterprises that need to adapt to variable workloads.

The 3Com 7000 also incorporates advanced Layer 3 routing capabilities. This feature enhances the efficiency of data transmission and bolsters the overall responsiveness of the network. By allowing routing functions to occur directly on the switch, it reduces latency and optimizes traffic flow, which is critical for applications requiring high availability, such as VoIP and video conferencing.

Security is another core characteristic of the 3Com 7000. It comes equipped with built-in security protocols and features such as Access Control Lists (ACLs) and VLAN support, which segregate network resources and protect sensitive data. These security measures ensure that only authorized devices can access specific segments of the network, thus fortifying the organization's information security posture.

In terms of management, the 3Com 7000 offers an intuitive interface for monitoring and controlling network operations. It supports various management protocols and software, which facilitate streamlined administration and configuration. This ease of management can significantly reduce the operational burden on IT staff, allowing them to focus on strategic initiatives.

Additionally, the 3Com 7000 is designed for high performance. It supports extensive bandwidth and low-latency communications, making it ideal for high-demand applications. The ability to handle multiple simultaneous connections without compromising speed makes it an excellent choice for enterprises that rely on real-time data processing.

In summary, the 3Com 7000 is a sophisticated networking solution characterized by its modularity, advanced routing capabilities, robust security features, user-friendly management, and high performance. These attributes make it a compelling choice for enterprises looking to enhance their networking infrastructure for a competitive edge.
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