TEDP: An Enhanced Topology Discovery Service for Software-Defined Networking

被引：25
|
作者：
Rojas, Elisa [1 ]
Alvarez-Horcajo, Joaquin [1 ]
Martinez-Yelmo, Isaias [1 ]
Carral, Juan A. [1 ]
Arco, Jose M. [1 ]
机构：
[1] Univ Alcala, Dept Automat, Alcala De Henares 28805, Spain
来源：
IEEE COMMUNICATIONS LETTERS | 2018年 / 22卷 / 08期
关键词：
SDN; OpenFlow; topology discovery; LLDP;
D O I：
10.1109/LCOMM.2018.2845372
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
Currently, software-defined networking (SDN) platforms leverage the link-layer discovery protocol (LLDP) to discover the underlying topology. However, the LLDP is suboptimal in terms of message load. In this letter, we present the tree exploration discovery protocol (TEDP), proving that shortest paths can be built at the same time that the topology information is gathered, without extra messages compared with LLDP. We also analyze two alternative implementations for the TEDP and give insights into some features that SDN platforms should ideally provide for an efficient topology discovery service.
引用
收藏
页码：1540 / 1543
页数：4
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