When a network resource request having a domain name is received, it is determined whether the network resource can be located including determining whether the domain name is resolvable. Rather than, or in addition to, displaying an error message or processing a search request in response to determining that a network resource can not be located or of an unresolvable domain name, the domain name can instead be redirected to a registration service where the domain name may automatically be used to perform a registration request and determine domain name availability. When the domain name is not available for registration, domain name registrant information is provided. However, when the domain name is determined available, a registration form is provided. For example, such a domain name in question may be redirected from the autosearch feature of a web browser to a service, which determines that the domain name is available for registration enabling a potential registrant to register the available domain name by selecting a domain name registration provider from a list of domain name registration providers.

Method, product, and apparatus for requesting a network resource

Resource management architectures implemented in computer systems to manage resources are described. In one embodiment, a general architecture includes a resource manager and multiple resource providers that support one or more resource consumers such as a system component or application. Each provider is associated with a resource and acts as the manager for the resource when interfacing with the resource manager. The resource manager arbitrates access to the resources provided by the resource providers on behalf of the consumers. A policy manager sets various policies that are used by the resource manager to allocate resources. One policy is a priority-based policy that distinguishes among which applications and/or users have priority over others to use the resources. A resource consumer creates an “activity” at the resource manager and builds one or more “configurations” that describe various sets of preferred resources required to perform the activity. Each resource consumer can specify one or more configurations for each activity. If multiple configurations are specified, the resource consumer can rank them according to preference. This allows the resource consumers to be dynamically changed from one configuration to another as operating conditions change.

Resource manager architecture

When a one or more identifiers and a plurality of data request types is received, a first data request from the one or more identifiers and from a first data request type can be generated and performed. When at least one first result from the first data request can be received, a second data request from the one or more identifiers and from a second data request type can be generated and performed at any time after receiving the one or more identifiers and the plurality of data request types, and then the at least one second result from the second data request can be retrieved either one of a before, during, and after the at least one first result from the first data request is presented. The correspondence between identifiers and request types may be one-to-one, one-to-many, many-to-one, or many-to-many relationship. A response type may employ a plurality of response methods to access multiple network resources corresponding to any generated and/or selected identifiers and/or request types.

Method, product, and apparatus for processing a data request

A DNS server receives a DNS query based on a predetermined syntax, with the DNS query having a domain name having a highest level domain (HLD). The DNS server uses a root zone file having a resource record to resolve the DNS query in response to determining that the HLD is a top level domain alias (TLDA) that is not an HLD registered in the DNS server. The resource record of the root zone file includes an IP address corresponding to a network resource that is configured to determine a namespace provider that can process the domain name having the TLDA.

Fictitious Domain Name Method, System, Product, and Apparatus

When a request having a keyword is received, a domain name having the keyword can be generated and a network resource corresponding to the domain name can be requested wherein the network resource is adapted to extract the keyword from the domain name. In turn, when a request having a first domain name is received, a second domain name having the first domain name can be generated and a network resource corresponding to the second domain name can be requested wherein the network resource is adapted to extract the first domain name from the second domain name.

Methods, systems, products, and devices for processing DNS friendly identifiers

An enqueue structure type is provided within a coupling facility to record the use state and to manage a request queue of resources shared among programs on computers of a system. All programs to use a shared resource issue a request to reserve the shared resource to the coupling facility before using it. The coupling facility affords the permission to use the resource to the programs if it is usable, and adds the programs to the resource request queue if unusable. When a program using the shared resource frees it, the coupling facility fetches a program from the beginning of the request queue, reserves the shared resource for the next program and notifies the next program that the use of the shared resource has been approved. On receiving the notification, the program uses the shared resource without asking the coupling facility for the approval of the use of the shared resource again. Further, exclusive control of shared resources by use of a spin lock having shared and exclusive attributes is implemented by using two locks for one shared resource, wherein the first lock is reserved and then freed after the second lock is reserved.

Method for managing shared resources

Consistency of a shared disk is secured in system switching in a hot standby system. In the standby system in which an active computer and standby computer share the shared disk, when a write I/O request is issued from the active computer, information about a start of the I/O is recorded in, for example, a memory. When the I/O is completed, the information is deleted from the memory. When a failure occurs in the active computer, the active computer transmits the record of the information about the start of the I/O, to the standby computer. The standby computer verifies the record to recover a disk in which the I/O is to be executed.

Hot standby system

A method of controlling cache allocation to be executed by a server computer is arranged to realize resource management for securing a proper cache size. The server computer is arranged to have a memory unit and a CPU. The memory unit stores a memory allowable size of a memory to be secured as a disk cache by each of the programs to be executed by the server computer. In a case that a new disk cache is allocated to the memory unit when accessing a disk drive under the control of the program being executed, the CPU reads from the memory the memory allowable size corresponding with the program and allocates the disk cache to the memory unit so that the disk cache may stay in the range of the memory allowable size.

Method of controlling cache allocation

A cluster system includes a transmission side server cluster consisting of a plurality of computers, one of which is selected as a transmitting computer and at least another one of which is selected as a standby computer. When the transmitting computer transmits a message it received to a receiving side server, it also transmits the message to the standby computer that was selected, based on load information for all computers other than the transmitting one in the transmission side server cluster.

Cluster system and an error recovery method thereof

PURPOSE:To prevent a user from being conscious of the generation of a fault by solving a neck in the number of I/O ports, eliminating the necessity of resending of a telegraphic message between plural processor modules at the occurance of a fault and shortening system recovery time. CONSTITUTION:A telegraphic message processing function in a system is divided into a communication process, a transaction process and a file process. A current process and a stand-by process are prepared in each process and respective processes are mounted on respectively different processor modules 11 to 16. At the time of transmitting a telegraphic message from each of the current processor modules 11, 13, 15 to processor modules for another function, the message is transmitted to both current and stand-by processor modules of the function. When each of the stand-by processor modules 12, 14, 16 detects a fault generated in its corresponding current processor module, the stand-by processor module succeeds the processing of the current process.

Cluster type computer system

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