1. A storage system comprising:
a first storage apparatus, coupled to a host computer, including first volumes;
a second storage apparatus, including second volumes corresponding to the first volumes and managing a first pair between the first volumes and the second volumes, for storing replication data of the first volumes to the second volumes by first remote copy; and
a third storage apparatus, including third volumes corresponding to the first volumes and managing a second pair between the first volumes and the third volumes, for storing replication data of the first volumes to the third volumes by second remote copy,
wherein the second storage apparatus is configured to manage a third pair between the second volumes and the third volumes,
wherein the second storage apparatus is configured to judge whether or not an amount of the second volumes and another amount of the third volumes are identical with each other when the second storage apparatus receives, from the host computer, a reservation instruction for transferring differential data showing a difference between each of data of the second and third volumes to the third volume during a remote copying operation at each of the first and the second pairs, and
wherein the second storage apparatus is further configured to determine whether it is possible to perform the second remote copy at the third pair, and also configured not to transfer the differential data until an instruction for transfer reaches the second storage apparatus.
2. The storage system according to claim 1, wherein the second storage apparatus is configured to transfer the differential data to the third volume according to the reservation instruction in case that an instruction for transfer reaches the second storage apparatus.
3. The storage apparatus according to claim 2, wherein the host computer is arranged to include information on status of a graphical interface, the first pair and the second pair, to provide the graphical interface with information on the status of the first and second pair, and to issue the reservation instruction in reply to an input operation by a user.
4. The storage apparatus according to claim 3, wherein the first storage apparatus is arranged to, as a storage operation for storing data of the first volume to the third volume by the second remote copy, receive write data having been sent from the host computer, to generate a journal corresponding to the write data and to transmit the journal having been generated to the third storage apparatus, and
wherein the third storage apparatus is arranged to receive the journal having been transmitted from the first storage apparatus and to store the journal to the third volume.
5. A method in a storage system which includes a first storage apparatus, coupled to a host computer, including first volumes, a second storage apparatus, including second volumes corresponding to the first volumes and managing a first pair between the first volumes and the second volumes, for storing replication data of the first volumes to the second volumes by first remote copy, and a third storage apparatus, including third volumes corresponding to the first volumes and managing a second pair between the first volumes and the third volumes, for storing replication data of the first volumes to the third volumes by second remote copy, said method comprising:
managing, by the second storage apparatus, a third pair between the second volumes and the third volumes;
judging, by the second storage apparatus, whether or not an amount of the second volumes and another amount of the third volumes are identical with each other when the second storage apparatus receives, from the host computer, a reservation instruction for transferring differential data showing a difference between each of data of the second and third volumes to the third volume during a remote copying operation at each of the first and the second pairs; and
determining, by the second storage apparatus, whether it is possible to perform the second remote copy at the third pair, and not transferring the differential data until an instruction for transfer reaches the second storage apparatus.
6. The method according to claim 5, further comprising:
transferring, by the second storage apparatus, the differential data to the third volume according to the reservation instruction in case that an instruction for transfer reaches the second storage apparatus.
7. The method according to claim 6, wherein the host computer is arranged to include information on status of a graphical interface, the first pair and the second pair, to provide the graphical interface with information on the status of the first and second pair, and to issue the reservation instruction in reply to an input operation by a user.
8. The method according to claim 7, further comprising:
receiving, by the first storage apparatus, as a storage operation for storing data of the first volume to the third volume by the second remote copy, write data having been sent from the host computer, to generate a journal corresponding to the write data and to transmit the journal having been generated to the third storage apparatus; and
receiving, by the third storage apparatus, the journal having been transmitted from the first storage apparatus and storing the journal to the third volume.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A wireless device for enabling communication with a gateway device within a user premises, the gateway device controlling communication of one or more associated endpoint devices over a wide area data network to deliver an application service to the one or more associated endpoint devices, the service delivery including at least some communication within the user premises, the wireless device comprising:
a wireless local area network transceiver, for bidirectional wireless data communication at the premises;
an interface for wired communication;
a processor coupled to the transceiver and the interface, for conversion between data communicated via the wireless local area network transceiver and signals communicated via wired communication interface and for control of communications through the transceiver and the interface;
storage coupled to the processor; and
programming executable by the processor contained in the storage, wherein execution of the programming causes the processor to receive instructions from the gateway device via at least one of the transceiver and the interface to configure the processor to implement its conversion and communication control functions in a manner to communicate with the gateway device via a selected one of the transceiver and the interface and to implement a selected one of a plurality of wireless-wired adaptations for communications flowing between the selected one of the transceiver and the interface and the other of the transceiver and the interface for communication within the user premises for application service delivered by the gateway device.
2. The wireless device of claim 1, further comprising one or more endpoint device interfaces, the interface for wired communication being one of the endpoint device interfaces, wherein the received instructions from the gateway device via at least one of the transceiver and the interface include instructions to configure the wireless device to:
conduct wireless communications via the transceiver to provide transport between the transceiver and the gateway device for both private and public communications,
route or bridge the private communications to or from one of the endpoint device interfaces configured as a private network interface, and
route or bridge the public communications to or from one of the endpoint device interfaces configured as a public network interface.
3. The wireless device of claim 2, wherein the one or more endpoint device interfaces, comprises a first endpoint device interface configured as the private network interface, and a second endpoint device interface configured as the public network interface.
4. The wireless device of claim 2, wherein (1) the private communications include communication for in-premises application services, (2) the public communications include communication with a wide area network, or (3) the private communications is transmitted over a private vLAN and the public communications is transmitted over a public vLAN.
5. The wireless device of claim 2, wherein the processor and at least one of the transceiver and the interface are configured to conduct bidirectional wireless data communication with the gateway device for a first application service and a second application service over a single wireless channel.
6. The wireless device of claim 1, wherein the wireless device further comprises a power interface configured to receive a plurality of voltage levels from a wall power adapter and deliver different voltage levels to one endpoint device interface.
7. The wireless device of claim 6, wherein the device further comprises a power interface configured to receive a voltage and deliver a plurality of different voltage levels to the local device interface, the transceiver andor the processor.
8. The wireless device of claim 7, wherein the device further comprises a wall power adapter configured to plug into an electrical power outlet and supply one or more voltages to the power interface.
9. The wireless device of claim 6, wherein:
the one or more endpoint device interfaces comprises a plurality of endpoint device interfaces; and
the device further comprises a power interface configured to simultaneously receive a plurality of voltage levels from a wall power adapter and deliver at least two different voltage levels to two different endpoint device interfaces.
10. The wireless device of claim 1, wherein:
the device includes two or more endpoint device interfaces, each for wired connection to a communication device, and
each of the endpoint device interfaces is an interface selected from a group consisting of: a RJ11 interface, a RJ14 interface, a RJ25 interface, a BS 6312 interface, a 4P4C interface, a RJ45 interface, an 8P8C interface, a mini RCA interface, and a FXS interface.
11. A communication system for operation within a user premises to provide and manage services of one or more endpoint devices associated with the communication system, the communication system comprising:
a gateway device controlling communication of one or more associated end point devices over a wide area data network to deliver a plurality of application services to the associated end point devices including at least some service delivery communication within the user premises, the gateway device comprising:
a first interface for enabling bi-directional network layer communications within the premises, with one or more of the endpoint devices;
a second interface for enabling bi-directional network layer communications for the one or more endpoint devices via a wide area network;
a processor coupled to the interfaces;
storage coupled to the processor; and
programming in the storage for a plurality of application services, wherein, for each application service, execution of the programming by the processor causes the gateway device to provide server functions in relation to a respective service for one or more endpoint devices; and
a wireless extender, comprising:
(a) a wireless local area network transceiver, for bidirectional wireless data communication with the gateway device;
(b) one or more local device interfaces, for wired connection to a communication device;
(c) a processor coupled to the transceiver and the interface, for conversion between the wireless data communication with the gateway device and signals on the wired connection to the communication device and for control of communications through the transceiver and the interface;
(d) storage coupled to the processor; and
(e) programming executable by the processor contained in the storage, wherein execution of the programming causes the processor to receive instructions from the gateway device via the wireless local area network transceiver to configure the processor to implement its conversion and communication control functions in a manner to support a selected one of the application services delivered by the gateway device.
12. The communication system of claim 11, wherein:
the second interface of the gateway device further enables at least some bidirectional communications with a service management center external to the premises via the wide area network; and
the execution of the programming by the processor causes the gateway device to provide functions in relation to a respective service for one or more endpoint devices, including:
(1) application server communication with a client functionality of one or more endpoint devices, for the respective service, communicated on top of network layer communications of one or both of the interfaces;
(2) enforcement regarding authorization, authentication, configuration, or use of the respective service via the one or more endpoint devices; and
(3) management of the application service based upon the communications with the service management center via the wide area network through the second interface.
13. The communication system of claim 11, wherein execution of the programming in the gateway device by the processor further causes the gateway device to support a plurality of different user interfaces via different endpoint devices, with respect to one or more services provided through the gateway device.
14. The communication system of claim 11, wherein the communication system further comprises a power interface configured to receive a plurality of voltage levels from a wall power adapter configured to plug into an electrical power outlet, and to delivery different voltage levels to the local device interface.
15. A method of establishing a connection between a transceiver device and a gateway device, comprising:
receiving a synchronization instruction from a transceiver device;
receiving a synchronization instruction from a gateway device;
configuring the transceiver device and the gateway device for network layer communication over a wireless link therebetween;
establishing a wireless session for network layer communication between the configured transceiver device and gateway device;
configuring the transceiver device and the gateway device to enable an application layer communication between the transceiver device and the gateway device over the established connection; and
configuring the transceiver device to interface with a local device to enable the local device to utilize the application layer communication between the transceiver device and the gateway device.
16. The method of claim 15, wherein the method further comprises authenticating the application layer communication between the transceiver device and the gateway device.
17. The method of claim 15, wherein the method further comprises authorizing the application layer communication between the transceiver device and the gateway device.
18. The method of claim 15, wherein the method further comprises allowing the gateway to automatically configure the transceiver device to support one of a plurality of registered application services.
19. The method of claim 15, wherein the application service includes telephony service.
20. The method of claim 15, wherein the established network layer connection comprises a secure connection.
21. The method of claim 15, wherein the synchronization instructions from the transceiver device or the gateway device includes data used to configure the transceiver device and the gateway device for network layer communication.
22. The method of claim 15, wherein the synchronization instructions from the transceiver device or the gateway device includes data used to establish a wireless session for network layer communication between the configured transceiver device and gateway device.
23. A wireless extender for extending communication of a gateway device within a user premises, the gateway device controlling communication of one or more associated end point devices over a wide area data network to deliver voice services to the associated end point devices including at least some service delivery communication within the user premises, the wireless extender comprising:
one or more local device interfaces, for wired connection to a communication device;
a processor, coupled to the transceiver and the interface, controls of communications between the transceiver and the interfaces;
storage coupled to the processor; and
programming contained in the storage executable by the processor, wherein execution of the programming causes the processor to receive instructions from the gateway device via the wireless local area network transceiver to configure the processor to implement its conversion and communication control functions in a manner to support a selected one of the application services delivered by the gateway device.
24. The wireless extender of 23, further comprising a wireless local area network transceiver, for bidirectional wireless data communication with the gateway device.
25. The wireless extender of 23, wherein the processor manages at least one of the transceiver and the interface.