摘要:
A method, system, and computer program product, by which portions of the session information that page-content is dependent upon are “pushed” to the client from the origin server in a way such that auxiliary servers, e.g. other application servers and edge-servers, have access to the session information and fragment dependancy data to generate auxiliary-server cache-IDs for the custom pages. This enables distribution of the load away from the origin server, allowing better application distribution and scalability through more effective caching.
摘要:
Methods, systems, and computer program products for programmatically determining whether components of a program are suitable for deployment in particular locations such as at the edge of a network. In preferred embodiments, program characteristics and operating environment characteristics, along with information about their interactions, are programmatically combined at deployment time to determine whether application components are edgeable. The disclosed approach enables people such as programmers (who are familiar with the program characteristics) and systems administrators (who are familiar with the operating environment characteristics) to each provide some control over the edgeability determination, along with other systems experts (who know how these features interact). Alternatively, this information or portions thereof may be supplied programmatically. Preferably, techniques of matrix algebra are used for the programmatic combination, yielding a value which is compared to a predetermined edgeability threshold to determine a particular component's edgeability.
摘要:
The eviction candidate sorting tool (ECST) is used with existing eviction algorithms that utilize a database for tracking objects stored in a cache. Rather than storing all the metadata associated with an object in a cache, the ECST extracts only certain attributes from the metadata, creating an “evict table” listing all the cached objects and the chosen attributes, or “classes.” The table can be sorted by class based on an eviction algorithm. An eviction mechanism can use the sorted table to identify candidates for eviction.
摘要:
A method, system, and computer program product, by which portions of the session information that page-content is dependent upon are “pushed” to the client from the origin server in a way such that auxiliary servers, e.g. other application servers and edge-servers, have access to the session information and fragment dependancy data to generate auxiliary-server cache-IDs for the custom pages. This enables distribution of the load away from the origin server, allowing better application distribution and scalability through more effective caching.
摘要:
The present invention provides a method, system, and computer program product for splicing proxied web requests with callback for subsequent requests. The method comprises: initiating by a proxy a Transmission Control Protocol (TCP) splice between first and second socket connections in order to service a request; and returning control of the first and second socket connections to the proxy in response to a completion event associated with the TCP splice.
摘要:
A method, system, and computer program product, by which portions of the session information that page-content is dependent upon are “pushed” to the client from the origin server in a way such that auxiliary servers, e.g. other application servers and edge-servers, have access to the session information and fragment dependancy data to generate auxiliary-server cache-IDs for the custom pages. This enables distribution of the load away from the origin server, allowing better application distribution and scalability through more effective caching.
摘要:
The present invention discloses a solution that uses presence proxies to handle local presence information while using a presence server to handle extra-local presence information. In the invention, a computing system can include multiple presence user agents (PUAs), multiple watchers, multiple presence proxies, and a presence server. The PUAs can be are grouped into two or more sub-networks. The watchers can also be grouped by sub-network. The PUAs and the watchers can each be associated with a presentity. A presence proxy can be associated with each of the sub-networks. Exclusively local presence services for each sub-network ears be handled by the associated presence proxy. The presence proxy can route presence information for other presence services (those not exclusively local) to and from the presence server.
摘要:
Embodiments of the present invention address deficiencies of the art in respect to edgified content delivery and provide a method, system and computer program product for dispatching of request fragments from a response aggregating surrogate. In one embodiment, an edgified content distribution data processing system can include an origin server configured to server markup specified pages formed from dynamically arranged fragments and a surrogate server communicatively linked to the origin server over a computer communications network and acting as a surrogate at an edge of the network on behalf of the origin server. A dependency engine can be coupled to the surrogate server and can include program code enabled to group the fragments according to interdependencies among the fragments and to load fragment groups in sequence to satisfy the interdependencies.
摘要:
An apparatus and method for off-loading application components to edge servers are provided. An application is made edge-aware by defining which components of the application may be run from an edge server, and which components cannot be run from an edge server. When a request is received that is to be processed by an application on an origin server, a determination is made as to whether the application contains edgable components. If so, an edgified version of the application is created. When a request is received that is handled by a component that may be run on the edge server, the request is handled by that component on the edge server. When a request is received that is handled by a component that is not edgable, the request is passed to a proxy agent which then provides the request to a broker agent on the origin server.
摘要:
The present invention discloses a method and a system for using presence proxies to group presence notifications. In the invention, a presence server can accept, manage, and distribute presence information. Multiple watchers can subscribe to the presence information managed by the presence server. A presence proxy can receive or intercept subscription requests from the watchers, can group these subscription requests, can establish a single subscription between the presence proxy and the presence server for each group of subscription request, can receive notifications form the presence server associated with the single subscription, and can convey received notifications to each of the watchers in a group associated with the single subscription responsive to receiving a corresponding notification from the presence server.