Communication method of content requester and content provider to provide content and real-time streaming content in content-centric network (ccn) based on content name
AssigneeSamsung Electronics Co., Ltd.
InventorsJoong Hong PARK, Jae Hoon KIM, Myeong Wuk JANG
Life of this patent
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Abstract
Provided is a communication method of a content requester to provide content in a Content-Centric Network (CCN). The method is based on a content name, including generating a content request packet including an identifier indicating a content request based on a predetermined time unit to request content, transmitting the generated content request packet, and receiving segments of the content that correspond to the predetermined time unit. Also provided are corresponding communication methods of a content provider and a node in the CCN.
Claims46
A communication method of a content requester to provide content in a Content-Centric Network (CCN) based on a content name, comprising:
- generating a content request packet, comprising an identifier indicating a content request based on a predetermined time unit, to request the content;
- transmitting the content request packet;
- and
- receiving segments of the content that correspond to the predetermined time unit.
A communication method of a content provider to provide content in a Content-Centric Network (CCN) based on a content name, comprising:
- receiving a content request packet comprising an identifier indicating a content request based on a predetermined time unit;
- determining whether the content is included in a content store or a buffer of the content provider;
- generating a content response packet comprising segments of the content, in response to determining that the content is included in the content store or the buffer of the content provider, the segments corresponding to the predetermined time unit;
- and
- transmitting the content response packet.
A communication method of a content provider to provide content in a Content-Centric Network (CCN) based on a content name, comprising:
- receiving a content request packet;
- determining whether the content request packet is based on a predetermined time unit;
- deciding whether the content is real-time streaming content based on the predetermined time unit or general content based on the predetermined time unit is requested by the content request packet, based on a result of the determining;
- generating a content response packet in response to the deciding;
- and
- transmitting the content response packet.
A communication method of a node in a Content-Centric Network (CCN), comprising:
- receiving a content request packet from a content requester, comprising an identifier indicating a request based on a predetermined time unit, to request the content, by a face;
- determining whether the requested content is present in a content store of the node;
- in response to the requested content being present in a content store of the node, transmitting the requested content from the content store to the content requester;
- in response to the requested content not being present in a content store of the node, recording a routing entry for the requested content in a Pending Interest Table (PIT) of the node, and forwarding the content request packet to another node of the CCN using a selected face to retrieve the content.
Dependencies are inferred from the claim text.