System and Method for Communication Between Remote Objects and Local Proxies

• US 20070266159A1
• Filed: 01/28/2005
• Published: 11/15/2007
• Est. Priority Date: 01/29/2004
• Status: Abandoned Application

• Current Assignee: ABB Research Ltd. (ABB Limited)
• Original Assignee: ABB Research Ltd. (ABB Limited)
• Inventors: Doppelhamer, Jens, Veryha, Yauheni, Kruse, Eckhard, HU, Zaijun
• Application Number:
  US10/587,471
• Publication Number:
  US 20070266159A1
• Time in Patent Office: Days
• US Class Current: 709/226
• CPC Class Codes: G06F 16/958 Organisation or management of web site content, e.g. publishing, maintaining pages or automatic linking
• CPC Class Codes: H04L 67/02 based on web technology, e.g. hypertext transfer protocol [HTTP]
• CPC Class Codes: H04L 67/289 Intermediate processing functionally located close to the data consumer application, e.g. in same machine, in same home or in same sub-network
• CPC Class Codes: H04L 67/566 Grouping or aggregating service requests, e.g. for unified processing
• CPC Class Codes: H04L 67/567 Integrating service provisioning from a plurality of service providers
• CPC Class Codes: H04L 67/5682 Policies or rules for updating, deleting or replacing the stored data
• CPC Class Codes: H04L 67/61 taking into account QoS or priority requirements
• CPC Class Codes: H04L 69/329 in the application layer [OSI layer 7]

Abstract

The invention relates to a system and to a corresponding method for communicating between remote objects provided by service providers (10). The methods thereof are accessible as web services (5) and client-sided local proxies (proxies 3) in a computer network (9), in particular Internet or LAN. A general service (8) is installed in addition to existing services (web services 5) on the side of the service provider (10), said general service being used to connect one or several client (1) service requests to the available services (5), and to transmit one or several answer messages to the clients (1). An optimisation layer (6) is implemented on the client side in addition to the other local proxies (proxies 3), said optimisation layer being configured in order to carry out client-sided optimisation and to combine groups of requests. Also, a general proxy (7) is installed which is configured in order to carry out grouped service requests and to return answer messages to the optimisation layer (6).

Claims

1. A system for communication between remote objects which are provided with service providers, whose methods can be accessed as web services, and client-end local proxies in a computer network, in particular the Internet or a LAN, with

a) a general service being installed in addition to the existing services (web services 5) at the service provider end and being designed to switch one or more service calls from a client to the available services, and to transmit one or more response messages to the client,

b) an optimization layer being implemented at the client end in addition to the other local proxies, and being designed to carry out client-end optimization and to combine call groups and, furthermore, with a general proxy being installed, which is designed to carry out grouped service calls, and to return response messages to the optimization layer.

2. The system as claimed in claim 1, wherein the optimization layer contains at least one cache, with whose aid service calls can be avoided or delayed.

3. The system as claimed in claim 2, wherein the client is designed by means of the optimization layer and the general proxy to automatically initiate a communication with a service provider, even without any call from a client application, in order to update stored information.

4. The system as claimed in claim 2, wherein the client is designed by means of the optimization layer and the general proxy to manage, in particular to update and invalidate, the data in the cache, to request piggyback information together with the transmission of call groups, and the reverse transmission of responses from the service provider.

5. A method for communication between remote objects which are provided with service providers, whose methods can be accessed as web services, and client-end local proxies in a computer network, in particular the Internet or a LAN, with

a general service being installed in addition to the existing services (web services 5) at the service provider end, and

an optimization layer in each case being implemented at the client end in addition to the other local proxies and containing a cache, and with a general proxy also being installed, and with

a) a plurality of calls to methods by client applications being passed by the respective proxy to the optimization layer, where they are combined to form a call group and are passed to a communication layer,

b) the call group being transmitted to the service provider, where the individual calls contained in the call group are passed by the general service to the respective corresponding services whose responses are combined and are transmitted back to the client in a grouped manner, and

c) the responses being evaluated in the optimization layer and being passed to the client application via the respective proxy.

6. The method as claimed in claim 5, wherein the optimization layer is designed to manage, in particular to update and invalidate, the data in the cache, to request piggyback information together with the transmission of call groups, and the reverse transmission of responses from the service provider.

7. The method as claimed in claim 5, wherein the optimization layer automatically initiates a communication with a service provider for management, in particular for updating and in validation, of the data in the cache, even without any call by a client application.

8. The method as claimed in claim 6, the optimization layer automatically initiates a communication with a service provider for management, in particular for updating and in validation, of the data in the cache, even without any call by a client application.