Patent ID: 9723103
Date: 2017-08-01
CPC Classifications: H04L

Claim:
1. A communication method performed by an administration node in a content centric network (CNN), comprising: receiving a packet requesting deletion of an invalid content from a requesting node that detects the invalid content; generating, in response to the packet requesting deletion of invalid content being received, a content revocation list comprising a name of the invalid content and a period of time over which the deletion request is to be performed, the period of time over which the deletion request is to be performed having a start time and an end time; transmitting a data packet comprising the content revocation list to the requesting node and a normal node in the CNN maintaining the content revocation list from the start time of the period of time over which the deletion request is to be performed to the end of the period of time over which the deletion request is to be performed and deleting the invalid content based on the content revocation list from the contents stored in a content store.