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US 8,046,482 B2Granted
System and method for managing multiple stack environments
AssigneeBroadcom Corporation
InventorKan Frankie Fan
Life of this patent
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Abstract
Systems and methods that manage multiple stack environments are provided. In one example, a system may include, for example, a first protocol processing stack, a second protocol processing stack and a mapper. The mapper may be coupled to the first protocol processing stack and to the second protocol processing stack. A first port number may be associated with the first protocol processing stack and a second port number may be associated with the second protocol processing stack. The mapper may store a correspondence between the first port number and the second port number.
Claims23
A computer, comprising:
- a first protocol processing stack associated with a first port number;
- a second protocol processing stack that comprises a hardware stack;
- and
- a mapper operatively coupled to the first protocol processing stack and to the second protocol processing stack,
- wherein the mapper communicates with the first protocol processing stack to determine an available port number,
- wherein the mapper stores a correspondence between the first port number and the available port number,
- wherein the available port number is associated with the second protocol processing stack,
- wherein the mapper queries a remote port mapper for a remote port number if the remote port number is not stored in a local remote port mapping cache, and
- wherein the mapper invalidates entries in the local remote port mapping cache when a reference count reaches a particular number.
6 more elements
Dependencies are inferred from the claim text.