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Managing resources for IP networking

A technology for resource and packet processing, applied in the field of resource management for IP networking, and can solve problems such as loss

Inactive Publication Date: 2006-03-01
CISCO TECH INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A packet may arrive at the receiver before another packet sent earlier by the sender, may arrive in a corrupted state (in which case it may be discarded), may be arbitrarily delayed (although it is possible to cause it to be discarded termination mechanism), can be copied, and possibly lost

Method used

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  • Managing resources for IP networking
  • Managing resources for IP networking
  • Managing resources for IP networking

Examples

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Embodiment Construction

[0061] The communication system provides communication features, including features that rely on shared or pooled computing resources. The communication system has an Internet Media Gateway Mechanism ("IMG") and a Softswitch Mechanism as described below. Figure 3A An example system 400 is illustrated having an IMG 410A connected between a BSC 415A and an MSC 420A in communication with a softswitch 425A. The IMG 410A communicates with the BSC 415A through the A1, A2 and A5 interfaces. As described below, softswitch 425A coordinates path establishment and communication between BSC 415A and MSC 420A through IMG 410A. IMG 410A also communicates with the Internet 430 through which IMG 410A can direct messages to mail server 440, as described below. Other IMGs and Softswitches can be similarly provided along with other BSCs and MSCs, as in Figure 3A Indicated by IMG 410B, Softswitch 425B, BSC 415B and MSC 420B. MSCs 420A, 420B are connected to PSTN 460 and may be connected to ...

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Abstract

Resources for IP networking are managed. A field is added to an operating system kernel software procedure. The field references a virtual router context. Packet processing software code is modified to cause the packet processing software code to execute in accordance with the virtual router context.

Description

[0001] Cross References to Related Patent Applications [0002] This application claims the benefit of US Provisional Application Serial No. 60 / 416,151, entitled "LINUX KERNELCHANGES FOR VIRTUAL ROUTERS AND DISTRIBUTED HOSTFUNCTIONS," filed October 4, 2002, the disclosure of which is hereby incorporated in its entirety. technical field [0003] The present invention relates to managing resources for IP networking. Background technique [0004] Operating systems such as Linux play an important role in computers, including facilitating the use of computer hardware and other resources by application software. In some cases, an operating system or related software may allow computer resources to be shared or pooled so that they can perform computing tasks. [0005] For example, various systems have been proposed that allow the sharing of computer resources. These systems include hypervisors, machine emulators, application emulators, operating system emulators, embedded operati...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G06F15/173H04L45/60H04L45/74H02H3/05H04L12/56H04L45/586
CPCH04L12/4662H04L45/586H04L12/4641H04L45/56
Inventor 本杰民·A.·拓布尔马修·H.·哈珀里奥纳德·施瓦兹
Owner CISCO TECH INC