摘要:
A distributed query system includes a distributed collection of dynamically created compiled queries. As each client submits a query, a parameterized query skeleton is identified, which identifies the general form of the query, and the parameters associated with the particular query. If a compiled form of the skeletal query is available within the distributed system, it is executed with the parameters of the current query. If the compiled form of the skeletal query is not available within the distributed system, a compiled form is created, and the location of this compiled skeletal query is stored for subsequent access by this client, or other clients. The executable compiled skeletal queries may be stored at each client system, in a commonly available server storage system, or within one or more database servers. A routing system may be provided to efficiently route parameterized queries to the appropriate location(s) of the compiled skeletal query.
摘要:
A local area network includes computers and peripherals networked in a high-speed LAN with access to a WAN through a slower connection via a broadband modem. A LAN gateway device manages data traffic between the local computers and peripherals and between the LAN and the WAN. The LAN gateway device provides multiple features, such as wired or wireless links, security, firewall, NAT, DCHP, traffic management, and the like. Traffic management features include an automatic quality of service priority classification scheme. A quality of service module automatically assigns priorities to the data streams based on analysis of the data packets. A configuration access list can be provided with pre-configured priorities for some streams. Initially, all streams are given highest priority and subsequently the priority is automatically adapted to the results of the packet analysis. Traffic shaping techniques control the LAN gateway upstream output and enable IP fragmentation of TCP packets according to measured upstream channel conditions.
摘要:
A local area network includes computers and peripherals networked in a high-speed LAN with access to a WAN through a slower connection via a broadband modem. A LAN gateway device manages data traffic between the local computers and peripherals and between the LAN and the WAN. The LAN gateway device provides multiple features, such as wired or wireless links, security, firewall, NAT, DCHP, traffic management, and the like. Traffic management features include an automatic quality of service priority classification scheme. A quality of service module automatically assigns priorities to the data streams based on analysis of the data packets. A configuration access list can be provided with pre-configured priorities for some streams. Initially, all streams are given highest priority and subsequently the priority is automatically adapted to the results of the packet analysis. Traffic shaping techniques control the LAN gateway upstream output and enable IP fragmentation of TCP packets according to measured upstream channel conditions.
摘要:
In some embodiments, a virtual device context (vDC) domain may be advertised to other network devices. If at least a partition of each device is determined to belong to the same vDC domain, the network interface communicating with the at least one device may be activated.
摘要:
A local area network includes computers and peripherals networked in a high-speed LAN with access to a WAN through a slower connection via a broadband modem. A LAN gateway device manages data traffic between the local computers and peripherals and between the LAN and the WAN. The LAN gateway device provides multiple features, such as wired or wireless links, security, firewall, NAT, DCHP, traffic management, and the like. Traffic management features include an automatic quality of service priority classification scheme. A quality of service module automatically assigns priorities to the data streams based on analysis of the data packets. A configuration access list can be provided with pre-configured priorities for some streams. Initially, all streams are given highest priority and subsequently the priority is automatically adapted to the results of the packet analysis. Traffic shaping techniques control the LAN gateway upstream output and enable IP fragmentation of TCP packets according to measured upstream channel conditions.
摘要:
A distributed query system includes a distributed collection of dynamically created compiled queries. As each client submits a query, a parameterized query skeleton is identified, which identifies the general form of the query, and the parameters associated with the particular query. If a compiled form of the skeletal query is available within the distributed system, it is executed with the parameters of the current query. If the compiled form of the skeletal query is not available within the distributed system, a compiled form is created, and the location of this compiled skeletal query is stored for subsequent access by this client, or other clients. The executable compiled skeletal queries may be stored at each client system, in a commonly available server storage system, or within one or more database servers. A routing system may be provided to efficiently route parameterized queries to the appropriate location(s) of the compiled skeletal query.