SmartFrog_Components.1.02.000_beta released: Description about the available components

Hello Everyone,

The latest release of SmartFrog Components "1.02.000_beta" currently has=20
10 components. The components that are part of this release are:

 1. Ant: A component wrapper to use any Apache ANT task from a
    SmartFrog component.

 2. Anubis and Anubis Deployer: Anubis is a fully distributed state
    monitoring and failure detection service designed to report
    distributed system states in a timely and consistent manner. It is
    based on a temporal model of distributed computing that includes
    the notion of network partitions. It has an implementation of
    dynamic web server example that makes use of the Anubis system for
    discovering nodes, and the Anubis Deployer to deploy new instances
    of a web server.

 3. Emailer: SmartFrog Emailer component is used for sending email
    messages. This can be used as a independent utility component or
    part of standard SmartFrog workflows like Compound, Parallel,
    Sequence etc. It uses Java Mail 1.3.1 and Java Activation
    framework version 1.0.2. It provides APIs to send single and multi
    part email messages over SMTP protocol.

 4. Logging Services: Logging Services provide a set of extensions to
    the logging framework used by the SmartFrog core. Currently the
    only extension available is a wrapper for the logging framework Log4J=
.

 5. Net: Net components provides SmartFrog components for FTP and
    Telnet client services.

        * FTP Component: SmartFrog FTP component is used for
          transferring files to/from one node to other. This can be
          used as a independent utility component or part of standard
          SmartFrog workflows like Compound, Parallel, Sequence etc.
          It uses the Apache Commons net 1.2.0 library which provides
          APIs for getting remote session and transferring files.

        * Telnet Component: SmartFrog Telnet Component is used for
          executing shell/DOS commands on the remote machine. This can
          be used as a independent utility component or part of
          standard SmartFrog workflows like Compound, Parallel,
          Sequence etc. It uses the Apache Commons net 1.2.0 library
          which provides APIs for getting remote session and executing
          commands.

 6. Scripting: SmartScript is the SmartFrog wrapper for the BeanShell
    scripting environment. BeanShell allows the user to dynamically
    interpret java source, and also to set up references to any object
    currently running in one=92s environment. We have provided a
    SmartFrog wrapper for BeanShell, which provides access to a
    BeanShell interpreter object, and allows manipulation of
    components on the fly, at runtime. It=92s eminently suitable for
    testing or experimental purposes, limited only by your
    imagination, and by the fact that this component does not work
    with SmartFrog security on (BeanShell uses its own java
    classloader, which is incompatible with that required by security).

 7. SSH: SSH components provides SmartFrog components for SCP and SSH
    client services.

        * SCP Component: SmartFrog SCP component is used for
          transferring files to/from one node to other over SSH. This
          can be used as a independent utility component or part of
          standard SmartFrog workflows like Compound, Parallel,
          Sequence etc. It uses the Java Secure Channel (Jsch)library.
          JSch ia a pure Java Implementation of SSH2. It provides APIs
          for getting remote session and transferring files to/from
          securely. The component provides support for both
          username/password and public/private-key authentication
          mechanisms.
        * SSH Component: SmartFrog SSH component is used to remotely
          execute shell/DOS commands securely over SSH. This can be
          used as a independent utility component or part of standard
          SmartFrog workflows like Compound, Parallel, Sequence etc.
          It uses the Java Secure Channel (Jsch)library. JSch ia a
          pure Java Implementation of SSH2. It provides APIs for
          getting remote session and executing a series of commands
          securely. The component provides support for both
          username/password and public/private-key authentication
          mechanisms.
 8. SLP: The Service Location Protocol (SLP) specifies how services
    can be advertised and located over a network. The SmartFrog SLP
    component provides the API methods for advertising or locating a
    service. These methods are used within SmartFrog components and
    other programs using the Service Location Protocol for advertising
    a service they provide, or locating a service they need.

 9. SFInstaller: SFInstaller component is designed to help the user in
    installing SmartFrog itself on the node before using SmartFrog for
    any other application delpoyments. It uses inbuilt components like
    scp/ftp, SSH/telnet and mailer. The SFInstaller component first
    copies the SmartFrog release files from the driver machine to the
    remote machine using the scp/ftp component. It then uses the
    SSH/telnet component for logging into the remote machine and
    installs SmartFrog by extracting the release files and starts the
    daemon. After the daemon is started properly, it sends an email to
    the driver giving intimation about successful SmartFrog
    installation and starting of the daemon.

This component release is in synch with the latest packaged release for=20
the SmartFrog Core: 3.08.004.

Thanks & Regards,
Ritu Sabharwal.







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