On 5/12/11 6:29 PM, "Xu Xiaohu" <[email protected]> wrote:
>Hi Tony and all, > >In the past few years, RRG has done a lot of excellent research work to >explore various ideas and approaches (e.g., map&encap, id/locator split >and >translation...) to addressing the Internet routing scalability issue. >Today >it seems that the cloud Data Center Network (DCN) and Data Center >Interconnection (DCI) scenarios are facing a similar scalability challenge >(i.e., MAC forwarding table scalability issue). The demand for VM mobility >within the whole large L2 data center network or even across >geographically >dispersed data centers is one major driving force of extending the L2 >domain >scope larger and larger. > >Although the reason for the MAC forwarding table scalability issue in the >DCN/DCI scenarios is not the same as that for the Internet routing >scalability issue, the ideas and approaches suitable for scaling the >Internet routing system could be utilized to deal with the MAC forwarding >table scalability issue. There are already many such attempts in reality, >especially in the academic circle. VL2 , SEATTLE and MOOSE are good >examples >of them. > >Hence I suggest we spend some time to consider whether we could utilize >our >experience which was obtained from the past and ongoing Internet routing >scalability solution research to address the similar scalability issue >existed in the DCN/DCI scenarios, for example, we could attempt or even >develop those familiar ideas or approaches mentioned above to address the >MAC table scalability issue in the DCN/DCI scenarios. > >Best regards, >Xiaohu As an adjunct to this line, there is the ARMD group in the IETF (not officially chartered AFAIK) and an associated BOF at NANOG 52 in Denver. Mike _______________________________________________ rrg mailing list [email protected] http://www.irtf.org/mailman/listinfo/rrg
