Patent ID: 9553804
Date: 2017-01-24
CPC Classifications: G06F,H04L,H04W

Claim:
1. A method for subscribing content in a content network, wherein the content network comprises a content requesting node and a content providing node, the method comprising: receiving, by a processor of the content requesting node, a first interest packet through a first port from a first user device, wherein the first interest packet comprises a content identifier that indicates content to be subscribed by the first interest packet, the first interest packet indicating that a subscription request associated with the content identifier is valid within a first duration; creating, by the processor of the content requesting node, a subscription entry that comprises the content identifier and an identifier of the first port; sending, by the processor of the content requesting node, the first interest packet to the content providing node; receiving, by the processor of the content requesting node, a second interest packet through a second port from a second user device, wherein the second interest packet comprises the content identifier, that indicates content to be subscribed by the second interest packet, the second interest packet indicating that the subscription request associated with the content identifier is valid within a second duration; adding, by the processor of the content requesting node, an identifier of the second port to the subscription entry; replacing, by the processor of the content requesting node, the first duration of the subscription request associated with the content identifier in the subscription entry with the second duration; receiving, by the processor of the content requesting node, multiple data packets provided by the content providing node according to the first interest packet, wherein the content comprises the multiple data packets; and sending, by the processor of the content requesting node, the multiple data packets through the first port and the second port respectively to the first user device and the second user device according to the subscription entry.