Imagine a Metro-Ethernet, if ARP is allowed to broadcast, the broadcast storm would be tremendous. In this paper, it assumes that the consumer edge (CE) and provider edge (PE) switches have a cache for the forwarding table. The cache is to remember the IP-MAC address association it ever encountered (e.g. by intercepting ARP requests and replies, and by sniffing the packets passing through the switch). Later on, whenever an ARP request arrives, instead of broadcast it to all other ports of the switch, it sends the reply to the sender directly using its local information.

Bibliographic data

@inproceedings{
title = "Enable Cache Effect on Forwarding Table in Metro-Ethernet",
author = "Xiaocui Sun and Zhijun Wang",
booktitle = "Proc. ACN 2010, CCIS 77",
pages = "81--94",
year = "2010",
}