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Multicast implementation method and device

An implementation method and multicast technology, applied in the field of network communication, can solve the problems of poor forwarding performance and high delay

Active Publication Date: 2018-09-07
NEW H3C TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention provides a multicast implementation method and device to solve the problems that the existing ILA network multicast implementation scheme requires all multicast receivers to support ILA address replacement, and the forwarding performance is poor and the delay is high

Method used

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  • Multicast implementation method and device
  • Multicast implementation method and device

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Embodiment Construction

[0031] In order to enable those skilled in the art to better understand the technical solutions in the embodiments of the present invention, the network architecture used in the technical solutions provided in the embodiments of the present invention will be briefly described below.

[0032] See figure 1 , which provides a schematic diagram of the network architecture of a multicast implementation system for an embodiment of the present invention, as shown in figure 1 As shown, the network architecture includes ILA network and Non-ILA network (non-ILA network, which can also be called external network). overlay (that is, complete ILA address translation through Leaf switches) deployment ( figure 1 The host overlay is taken as an example in the above, and the host overlay is also used as an example in the following), where:

[0033] Include ILA router (only show the ILA router connected with Non-ILA network in the ILA network in the figure), ILA host computer in the ILA netwo...

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PUM

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Abstract

The invention provides a multicast implementation method and a multicast implementation device. The method comprises the following steps of: when receiving a BGP multicast source notification message,generating a corresponding (S,G) entry, adding a data center interconnection DCI interface to the outbound interface of the (S,G) entry, and sending a protocol independent multicast PIM join messageto the multicast source according to the location Locator information of the multicast source; and when receiving the BGP multicast receiver notification message, sending the multicast listener discovery MLD adding message by the DCI interface. The embodiments of the invention are used to improve the forwarding performance of multicast traffic, reduce delay, and implement multicast communication between the ILA network and the Non-ILA network.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a multicast realization method and device. Background technique [0002] ILA (Identifier-Locator Addressing) technology is an Overlay technology (an application layer technology), oriented to the data center of IPv6 (Internet Protocol Version 6, Internet Protocol Version 6), using IPv6 / 64 prefix as Location identifier, the last 64-bit address is used as the ID (identification) of the virtual machine / container, etc. [0003] Different from mainstream technologies such as VXLAN (Virtual Extensible Local Area Network, Virtual Extensible Local Area Network) or LISP (Locator Identity Separation Protocol, Locator Identity Separation Protocol), ILA does not use tunnel encapsulation to establish an Overlay network (application layer network), but Through the stateless NAT (Network Address Translation, network address translation) mode, the overlay network and the ...

Claims

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Application Information

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IPC IPC(8): H04L12/741H04L12/761H04L45/74H04L45/16
CPCH04L45/16H04L45/74
Inventor 陈翀
Owner NEW H3C TECH CO LTD
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