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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kye-Hwan Lee Taesang Choi Young-Tak Kim |
| Copyright Year | 2010 |
| Abstract | The explosively increasing number of Internet subnetworks and related network prefixes is creating a severe scalability problem in the FIB (forwarding information base) table size of Internet core transit routers. IRTF has been studying various solutions to mitigate this Internet scalability problem, and ID (identifier) - Loc (locator) separation has been proposed as a reasonable solution. The packet forwarding with ID/Loc separation, however, is requiring i) an efficient mechanism of ID-Loc mapping distribution, and ii) managements of inter-domain traffic engineering (TE) tunnels among ITRs (ingress tunnel routers) and ETRs (egress tunnel routers). In this paper, we propose an efficient ID-Loc mapping distribution system and the management of inter-domain TE-tunnels among ITRs and ETRs based on the PCE (path computation element) architecture. The proposed inter-layer inter-domain PCE-based ID-Loc mapping distribution system provides partial push mechanism for ID-Loc registrations and updates from the ETR, and selective pull mechanism for ID-Loc mapping queries from the ITR. The PCE-based TE-tunnel management system provides inter-domain path computations for TE-tunnels, and inter-layer path computations for optimized packet forwarding with scalability. From the experimental implementation of the proposed PCE-based TE-tunnel management, we found that the FIB table size of the tier-1 core transit routers can be reduced to 35 ~ 40% by just 15 ~ 20% of TE-tunnel establishments in tier-2 domain networks. Also, the PCE-based ID-Loc mapping distribution system can support inter-domain path computation for scalable packet forwarding within 50ms of initial packet delay. The performances of the proposed PCE-based TE-tunnel management for inter-domain path computations and TE-tunnel establishments are analyzed |
| Starting Page | 1 |
| Ending Page | 5 |
| File Size | 564333 |
| Page Count | 5 |
| File Format | |
| ISBN | 9781424464029 |
| ISSN | 19381883 |
| e-ISBN | 9781424464043 |
| DOI | 10.1109/ICC.2010.5501809 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2010-05-23 |
| Publisher Place | South Africa |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | Lab-on-a-chip Scalability IP networks Distributed computing Internet Identity management systems Engineering management Tellurium Computer architecture Computer network management |
| Content Type | Text |
| Resource Type | Article |
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