Any-source multicast (ASM) is the older and more usual form of multicast where multiple senders can be on the same group/channel, as opposed to source-specific multicast where a single particular source is specified.
Any-source multicast allows a host computer to map IPs and then sends IPs to a number of groups via IP address. This method of multicasting allows hosts to transmit to/from groups without any restriction on the location of end-user computers[1] by allowing any receiving host group computer to become a transmission source.[2] Bandwidth usage is nominal allowing Video Conferencing to be used extensively.[3] However, this type of multicast is vulnerable in that it allows for unauthorized traffic and denial-of-service attacks.[2]
Commonly, any-source multicast is used in IGMP version 2; however, it can also be used in PIM-SM, MSDP, and MBGP. ASM utilizes IPv4 in association with the previously stated protocols; in addition, MLDv1 protocol is used for IPv6 addresses.[1]
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References edit
- ^ a b Bhattacharyya, Supratik (July 2003). "RFC 3569 - An Overview of Source-Specific Multicast (SSM)". tools.ietf.org. Retrieved 6 October 2019.
- ^ a b Bahlmann, B. (n.d.). ASM - Any Source Multicast. Retrieved January 25, 2011, from Birds-Eye.net: http://www.birds-eye.net/definition/acronym/?id=1164937805
- ^ Bestak, R., Simak, B., Kozlowska, E., Simek, M., Bürget, R., & Komosny, D. (2007). Experiences of Any Source and Source Specific Multicast Implementation in Experimental Networks. Personal Wireless Communications, 245, pp. 468-476.
- ^ a b c Cui, J.-H., Maggiorini, D., Kim, J., Boussetta, K., & Gerla, M. (2002, March 26). A protocol to improve the state scalability of source specific multicast. Global Telecommunications Conference, 2002. GLOBECOM '02. IEEE, 2, pp. 1899-1904. Los Angeles, CA.
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