新型多播技术（BIER）及原型系统

doi:10.11959/j.issn.1000-0801.2019221

Abstract

Abstract:

The principle and advantages of BIER were introduced,and it was compared with traditional multicast technology.It was pointed out that BIER technology was an important choice for future network evolution.At the same time,through the introduction of the prototype system,the feasibility of the BIER and the evolution capability were analyzed in detail.It was predicted that BIER technology was an inevitable choice of controllable multicast under the trend of SDN evolution.

Key words: multicast, BIER, prototype

CLC Number:

TN915.41

Jinghai YU,Zheng ZHANG,Shaofu PENG. New multicast technology (BIER) and prototype system[J]. Telecommunications Science, 2019, 35(11): 75-83.

Figures/Tables 10

References 9

[1]	刘莹, 徐恪 . Internet 组播体系架构[M]. 北京: 科学出版社, 2008： 249-250.
	LIU Y , XU G . Internet multicast architecture[M]. Beijing: Science PressPress, 2008: 249-250.
[2]	IETF. Multicast using bit index explicit replication (BIER):RFC8279[S]. 2017.
[3]	IETF. Multicast using bit index explicit replication (BIER):RFC8279[S]. 2017.
[4]	IETF. Encapsulation for bit index explicit replication (BIER)in MPLS and Non-MPLS networks:RFC8296[S]. 2018.
[5]	IETF. Bit Index explicit replication (BIER) support via IS-IS:RFC8401[S]. 2018.
[6]	IETF. OSPFv2 extensions for bit index explicit replication (BIER):RFC8444[S]. 2018.
[7]	IETF. Draft-ietf-bier-idr-extensions-06 - BGP Extensions for BIER[S]. 2019.
[8]	ANTONIO S M , KRZYSZTOF G S . MPLS in the SDN Era[M]. Sebastopol O Reilly Media, 2015.
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资源属性	地址信息	说明
环回地址1	1.1.1.X/32	IGP协议使用地址
环回地址2	2.2.2.X/32	BFR与控制器BGP-LS建链地址
环回地址3	3.3.3.X/32	BFR与控制器Netconfig建链地址
转发设备层面互联地址	10.1.1.X/30	BFR端口地址
隧道子接口	20.1.1.X/30	演进场景时，非BIER节点隧道地址

序号	测试用例	说明
1	BIER网络拓扑发现与显示	基于BGP-LS和Netconfig的拓扑发现
2	BIER基本配置下发	BIER的业务配置（域、SD、SI、BSL）
3	业务流配置管理	多播流管理
4	基本流转发	TC打流
5	业务流管控	演示BIER的可控多播特性
6	平滑演进案例	演示BIER设备和非BIER设备混合组网
7	BIER路径保护一（基于原有 FRR保护）	演示BIER可以继续利用原有的保护功能
8	BIER路径保护二（基于IGP协议收敛保护）	演示BIER基于IGP的收敛，不需要原来的多播收敛过程

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New multicast technology (BIER) and prototype system

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