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Monocast and multicast bandwidth control method and system in multi-protocol label switch network

A multi-protocol labeling and bandwidth control technology, which is applied in the direction of data exchange network, transmission system, digital transmission system, etc., can solve the problem of uncontrolled multicast service preempting system scheduling bandwidth resources, etc.

Inactive Publication Date: 2008-07-02
ZTE CORP
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Problems solved by technology

[0009] The main purpose of the present invention is to provide a unicast and multicast bandwidth control method and system for a multi-protocol label switching network, which is used to ensure the respective service bandwidths of multicast and unicast, and solve the problem of multicast services in an MPLS network environment. The problem of uncontrolled preemption of system scheduling bandwidth resources

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  • Monocast and multicast bandwidth control method and system in multi-protocol label switch network
  • Monocast and multicast bandwidth control method and system in multi-protocol label switch network
  • Monocast and multicast bandwidth control method and system in multi-protocol label switch network

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[0027] Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

[0028] refer to figure 2 , the unicast and multicast bandwidth control method for multi-protocol label switching network according to the present invention comprises the following steps:

[0029] When establishing the label forwarding path, set the unicast bandwidth parameter and the multicast bandwidth parameter respectively;

[0030] Limiting the rate of unicast traffic according to the unicast bandwidth parameters; and

[0031] Limit the rate of multicast services according to the multicast bandwidth parameters.

[0032] Preferably, different queues are used to send services for unicast services and multicast services. Two queues are allocated on the egress port of the switching device corresponding to the label forwarding path, which are respectively responsible for egress scheduling of the unicast service and the multicast service.

[0033] Optionally,...

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Abstract

The invention discloses a method for controlling a unicast and a multicast bandwidth used in a multiprotocol label switching network and a system thereof. When a label transmitting path is built, the parameters of a unicast bandwidth and a parameter of the multicast bandwidth are respectively set; According to the unicast bandwidth parameter, the unicast business carries out a rate limitation; According to the multicast bandwidth parameter, the multicast business also carries out a rate limitation. Through distinguishing the unicast business from the multicast business, different queues are respectively used for sending the business. The rate limitation and exporting flow quantity shaping are respectively carried out for realizing the self bandwidth controlling of the unicast business and the multicast business.

Description

technical field [0001] The invention relates to network communication switching technology, in particular to a unicast and multicast bandwidth control method and system for a multi-protocol label switching network. Background technique [0002] MPLS (Multiprotocol Label Switching) technology is a switching technology that combines the second layer and the third layer. By introducing a label-based switching mechanism, routing selection and data forwarding are separated, and a packet is specified by a label. The path of the network makes comprehensive use of technologies such as Ethernet, LDP (Label Distribution Protocol, Label Distribution Protocol) / RSVP (Resource reSerVation Protocol, Resource Reservation Protocol), PWE3 (Edge-to-Edge Pseudowire Emulation). The MPLS network mainly provides MPLS VPN (Virtual Private Network, virtual private network) service, and provides service QoS (Quality of Service, quality of service) guarantee. [0003] MPLS VPN is an IP-VPN based on M...

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Application Information

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IPC IPC(8): H04L12/56H04L29/06H04L45/16H04L45/50
Inventor 邹旭军毕恒
Owner ZTE CORP
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