Abstract: An object of the invention is to provide an electron microscope capable of obtaining a sufficient energy resolution without forming a long drift space and capable of attaining high energy discrimination detection performance with approximately the same device size as in the related art. The electron microscope according to the invention includes a pulsed electron emission mechanism configured to emit an electron beam in a pulsed manner, and discriminates energy of signal electrons by discriminating the signal electrons, which are emitted from a sample by irradiating the sample with the electron beam, according to a time of flight (see FIG. 2).

Abstract: A visualization device is communicable with one or a plurality of host servers for hosting a virtual system, and comprises an information acquisition unit for collecting configuration information on the virtual system and the host server, a storage unit for storing the configuration information therein, and a drawing unit for expressing a virtual machine and a virtual network configuring the virtual system with different axes based on the configuration information stored in the storage unit, expressing a connection relationship between a virtual machine and a virtual network by linking the lines extending from the respective axes, and grouping virtual machines in units of server on which the virtual machines operate thereby to generate drawing information for expressing the configuration of the virtual system and the host server.

Abstract: A network management apparatus that connects to a terminal by way of a communication apparatus, includes: a legitimate information generation unit configured to generate legitimate identification information that is identification information to identify the terminal on a network that the network management apparatus manages, the legitimate identification information being managed as legitimate information by the network management apparatus; a fake information generation unit configured to generate fake identification information that is different from the legitimate identification information and that cannot be used as it is for communication with another terminal; a management unit configured to manage the legitimate identification information and the fake identification information in association with each other; and a registration unit configured to register the fake identification information to the terminal.

Abstract: A control execution apparatus is provided with a communication unit that makes an inquiry concerning a packet processing method with respect to a predetermined control instruction apparatus, and a packet processing unit that processes packets based on an instruction from the control instruction apparatus.

Abstract: A visualization device is communicable with one or a plurality of host servers for hosting a virtual system, and includes an information acquisition unit for collecting configuration information on the virtual system and the host server, a storage unit for storing the configuration information therein, and a drawing unit for expressing a virtual machine and a virtual network configuring the virtual system with different axes based on the configuration information stored in the storage unit, expressing a connection relationship between a virtual machine and a virtual network by linking the lines extending from the respective axes, and grouping virtual machines in units of server on which the virtual machines operate thereby to generate drawing information for expressing the configuration of the virtual system and the host server.

Abstract: A communication system includes: a control apparatus setting control information in a forwarding node(s); a forwarding node(s); and an access control apparatus. The forwarding node(s) forwards packets by using first control information set by the control apparatus and second control information for forwarding packets that do not match a matching condition(s) in the first control information set by the control apparatus from a predetermined port of the forwarding node(s). The access control apparatus includes a determination unit determining whether to generate control information for the packets forwarded from the predetermined port of the forwarding node(s) and requesting the control apparatus to generate control information.

Abstract: A apparatus management system includes: a forwarding node(s) that supplies identification information that uniquely identifies an individual terminal to a terminal management apparatus that manages the identification information; and the terminal management apparatus that discloses the identification information about a terminal to a corresponding user, requests the user to register himself/herself as a user of the terminal from a second terminal different from the terminal, and holds associates the terminal in association with the user.

Abstract: A communication system includes a communication apparatus configured to process a packet, and a controller configured to set the communication apparatus for processing a packet. The controller includes a memory storing instructions, and a processor configured to execute program instructions to determine a forwarding path for a packet addressed to a virtual machine based on an access rule indicating connectivity between virtual machines in accordance with an arrangement of the virtual machine, and set the communication apparatus for processing the packet.

Abstract: A visualization device is communicable with one or a plurality of host servers for hosting a virtual system, and includes an information acquisition unit for collecting configuration information on the virtual system and the host server, a storage unit for storing the configuration information therein, and a drawing unit for expressing a virtual machine and a virtual network configuring the virtual system with different axes based on the configuration information stored in the storage unit, expressing a connection relationship between a virtual machine and a virtual network by linking the lines extending from the respective axes, and grouping virtual machines in units of server on which the virtual machines operate thereby to generate drawing information for expressing the configuration of the virtual system and the host server.

Abstract: A communication system, includes: a node that requests a processing rule for processing a packet; and a control apparatus that notifies the node of the processing rule in response to the request. The control apparatus, upon being notified of change of a connection relationship between a communication apparatus to which a packet is addressed and the node, determines a forwarding path for a packet addressed to the communication apparatus and notifies the node of a processing rule for realizing the forwarding path.

Abstract: A visualization device is communicable with one or a plurality of host servers for hosting a virtual system, and includes an information acquisition unit for collecting configuration information on the virtual system and the host server, a storage unit for storing the configuration information therein, and a drawing unit for expressing a virtual machine and a virtual network configuring the virtual system with different axes based on the configuration information stored in the storage unit, expressing a connection relationship between a virtual machine and a virtual network by linking the lines extending from the respective axes, and grouping virtual machines in units of server on which the virtual machines operate thereby to generate drawing information for expressing the configuration of the virtual system and the host server.

Abstract: A communication terminal comprises: first means that communicates with a network system that includes a forwarding apparatus forwarding a packet and a control apparatus informing the forwarding apparatus of a processing rule prescribing a packet processing method; second means that determines a processing operation to be executed by the network system from among packet processing operations to be executed by the communication terminal; and third means that informs the forwarding apparatus of a processing rule corresponding to the determined packet processing operation.

Abstract: This invention provides an information processing system for controlling, in the management of network resources, with a desired accuracy and at a lower cost, whether to perform operations for the network resources. The information processing system comprises a means that performs a determination as to whether to execute an Application Programming (API) called up by an operating subject and used for controlling the network resources, said determination being performed on the basis of a correspondence among the operating subject, a tenant that is a set consisting of the network resources for which the operating subject has been permitted to perform operations, and the API for which the execution by the operating subject has been permitted. This means then controls the execution of the API on the basis of a result of the determination.

Abstract: A network management apparatus that connects to a terminal by way of a communication apparatus, includes: a legitimate information generation unit configured to generate legitimate identification information that is identification information to identify the terminal on a network that the network management apparatus manages, the legitimate identification information being managed as legitimate information by the network management apparatus; a fake information generation unit configured to generate fake identification information that is different from the legitimate identification information and that cannot be used as it is for communication with another terminal; a management unit configured to manage the legitimate identification information and the fake identification information in association with each other; and a registration unit configured to register the fake identification information to the terminal.

Abstract: A network management service system includes a policy management apparatus that receives updating of a communication policy from an user and manages the communication policy for each user; a control apparatus that generates a packet handling operation of a packet associated with the communication policy of the user, in response to a request from the user, and sets the generated packet handling operation in a forwarding node(s); and the forwarding node(s) that processes the packet using the packet handling operation generated by the control apparatus.

Abstract: A route request mediation apparatus comprises a resource management unit that manages a resource of a network to be managed; a request receiving unit that receives a route request with an added service level condition from a user or another route request mediation apparatus; a negotiation status management unit that forwards the route request to a destination specified by the route request, and manages a negotiation status based on a response from the destination; an acceptance assessment unit that assesses whether or not to accept the route request by referring to the negotiation status managed by the negotiation status management unit and to the resource management unit; and a response sending unit that responds with an assessment result that indicates whether or not the route request is accepted to the request source of the route request.

Abstract: A communication system includes: a forwarding node(s) in which a first packet handling operation(s) for processing incoming packets is set and which processes packets in accordance with the packet handling operation(s); a first control apparatus setting the first packet handling operation(s) in the forwarding node(s); a flow control node(s) arranged upstream of the forwarding node(s); and a second control apparatus setting a second packet handling operation(s) in the flow control node(s). The flow control node(s) intercepts forwarding of packets that do not satisfy a predetermined condition(s) to the forwarding node(s) in accordance with the second packet handling operation(s).

Abstract: A communication system includes: a control apparatus setting control information in a forwarding node(s); a forwarding node(s); and an access control apparatus. The forwarding node(s) forwards packets by using first control information set by the control apparatus and second control information for forwarding packets that do not match a matching condition(s) in the first control information set by the control apparatus from a predetermined port of the forwarding node(s). The access control apparatus includes a determination unit determining whether to generate control information for the packets forwarded from the predetermined port of the forwarding node(s) and requesting the control apparatus to generate control information.

Abstract: A control execution apparatus is provided with a communication unit that makes an inquiry concerning a packet processing method with respect to a predetermined control instruction apparatus, and a packet processing unit that processes packets based on an instruction from the control instruction apparatus.

Abstract: A apparatus management system includes: a forwarding node(s) that supplies identification information that uniquely identifies an individual terminal to a terminal management apparatus that manages the identification information; and the terminal management apparatus that discloses the identification information about a terminal to a corresponding user, requests the user to register himself/herself as a user of the terminal from a second terminal different from the terminal, and holds associates the terminal in association with the user.