Investigating the Prefix-level Characteristics: A Case Study in an IPv6 Network

被引：0
|
作者：
Li, Fuliang [1 ,2 ,3 ]
Pan, Tian [1 ,3 ]
Yang, Jiahai [1 ,2 ]
An, Changqing [1 ,2 ]
Wang, Xingwei [4 ]
Wu, Jianping [1 ,2 ,3 ]
机构：
[1] Tsinghua Natl Lab Informat Sci & Technol TNList, Beijing, Peoples R China
[2] Tsinghua Univ, Inst Network Sci & Cyberspace, Beijing, Peoples R China
[3] Tsinghua Univ, Dept Comp Sci & Technol, Beijing, Peoples R China
[4] Northeastern Univ, Coll Informat Sci & Engn, Shenyang, Peoples R China
来源：
2015 INTERNATIONAL CONFERENCE ON COMPUTING, NETWORKING AND COMMUNICATIONS (ICNC) | 2015年
关键词：
network measurement; prefix; routing cache; IPv6;
D O I：
暂无
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
As IPv6 has much larger address space than IPv4, understanding the characteristics of IPv6 prefixes is of great benefit to guide the efficient IPv6 routing cache design. In this paper, we make a first-ever analysis of prefix-level characteristics in IPv6 world. We first investigate the assignment and activity of IPv6 prefixes. Then we characterize the traffic and packet distribution across prefixes based on the traces of an IPv6 network. At last, we analyze the size of the active prefixes across different time scales and capture the number of emerging and vanishing prefixes. Our results show that the number of assigned prefixes and the coverage areas are increasing and expanding. Traffic and packet distribution across prefixes are highly skewed. The sizes of active prefixes are relatively stable over time. If we update the routing cache once an hour, we only need to reserve 5184 bytes memory for the worst-case burst changes.
引用
收藏
页码：824 / 829
页数：6
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