Multicast downstream sharing home gateway using DBC-AD message in DOCSIS 3.0-based CATV network
- Authors
- Lee, Changhyo; Lee, Eunjo; Park, Sungkwon; Lee, HoSook
- Issue Date
- Nov-2009
- Publisher
- IEEE
- Keywords
- CATV network; CM; CMTS; DOCSIS; DSID; Home gateway; Multicast
- Citation
- Proceedings of 2009 IEEE International Conference on Network Infrastructure and Digital Content, IEEE IC-NIDC2009, pp.296 - 301
- Indexed
- SCOPUS
- Journal Title
- Proceedings of 2009 IEEE International Conference on Network Infrastructure and Digital Content, IEEE IC-NIDC2009
- Start Page
- 296
- End Page
- 301
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/175867
- DOI
- 10.1109/ICNIDC.2009.5360907
- Abstract
- In this paper, we present a method to receive multicast packets forwarded to a fiber node through a HG (Home Gateway) that has an advanced CM (Cable Modem) in a DOCSIS 3.0-based CATV network. As the CATV network is in a tree-and-branch structure, in case of forwarding multicast packets to a CM, they are forwarded to all the other CMs in the same fiber node. However, as all the other CMs do not join a multicast session with the CMTS (Cable Modem Termination System), those multicast packets are discarded. Therefore, we present a new method to receive multicast packets that are forwarded in the same fiber node by using a newly proposed DBC-AD (Dynamic Bonding Change-Advertisement) message that the CMTS transmits to a HG. The proposed method in a DOCSIS 3.0-based CATV network provides the bandwidth saving, and multicast packets can be forwarded without network delay through a HG.
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