Please wait, while we are loading the content...
| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Yi Dai Li-quan Xiao Ke-fei Wang He-ying Zhang Bao-kang Zhao Shao-gang Wang |
| Copyright Year | 2013 |
| Description | Author affiliation: Sch. of Comput. Sci., Nat. Univ. of Defense Technol., Changsha, China (Yi Dai; Li-quan Xiao; Ke-fei Wang; He-ying Zhang; Bao-kang Zhao; Shao-gang Wang) |
| Abstract | Continuing growth in traffic, the size of routing table as well as the link speeds puts great challenge on the performance of Internet address lookup. The packet forwarding engine need perform 150 million IP address lookups per second for a 100Gbps line card while accommodating up to 500,000 prefixes and very likely 1M in the near future. TCAM based lookup solutions do not scale well for the next-generation due to its high power dissipation and large footprint. Algorithmic solutions can achieve high throughputs with hardware parallelism and compact storage needs, but can hardly scale simultaneously in the three dimensions of increased table size, throughput, and prefix length as IP moves to 64 bit IPv6 addresses. We propose a novel IPv6 lookup algorithm called Prefix Range Based Binary Search (PRB-BS) using binary search over hash tables organized by the range of prefix length. By eliminating the path information of the subtrie our scheme reduces the memory demands considerably. Besides, the binary search scheme based on prefix range reduces the worst case time of hash lookups to $log_{2}L,$ with L being the number of subtrie layers. We also introduce asymmetry binary search to further reduce memory demands and memory accesses. Compared with the tree bitmap algorithm widely used by many modern routers the memory requirements of PRB-BS algorithm is about 55% of the tree bitmap algorithm. The experiment results also show that the average search depth of PRB-BS algorithm is stable at 2 with the increased number of prefixes, which reflects better scalability of PRB-BS algorithm. |
| Starting Page | 000207 |
| Ending Page | 000212 |
| File Size | 1177280 |
| Page Count | 6 |
| File Format | |
| ISBN | 9781479937554 |
| DOI | 10.1109/ISCC.2013.6754947 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2013-07-07 |
| Publisher Place | Croatia |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | PRBBS algorithm IP lookup IPv6 binary search prefix range |
| Content Type | Text |
| Resource Type | Article |
National Digital Library of India (NDLI) is a virtual repository of learning resources which is not just a repository with search/browse facilities but provides a host of services for the learner community. It is sponsored and mentored by Ministry of Education, Government of India, through its National Mission on Education through Information and Communication Technology (NMEICT). Filtered and federated searching is employed to facilitate focused searching so that learners can find the right resource with least effort and in minimum time. NDLI provides user group-specific services such as Examination Preparatory for School and College students and job aspirants. Services for Researchers and general learners are also provided. NDLI is designed to hold content of any language and provides interface support for 10 most widely used Indian languages. It is built to provide support for all academic levels including researchers and life-long learners, all disciplines, all popular forms of access devices and differently-abled learners. It is designed to enable people to learn and prepare from best practices from all over the world and to facilitate researchers to perform inter-linked exploration from multiple sources. It is developed, operated and maintained from Indian Institute of Technology Kharagpur.
Learn more about this project from here.
NDLI is a conglomeration of freely available or institutionally contributed or donated or publisher managed contents. Almost all these contents are hosted and accessed from respective sources. The responsibility for authenticity, relevance, completeness, accuracy, reliability and suitability of these contents rests with the respective organization and NDLI has no responsibility or liability for these. Every effort is made to keep the NDLI portal up and running smoothly unless there are some unavoidable technical issues.
Ministry of Education, through its National Mission on Education through Information and Communication Technology (NMEICT), has sponsored and funded the National Digital Library of India (NDLI) project.
| Sl. | Authority | Responsibilities | Communication Details |
|---|---|---|---|
| 1 | Ministry of Education (GoI), Department of Higher Education |
Sanctioning Authority | https://www.education.gov.in/ict-initiatives |
| 2 | Indian Institute of Technology Kharagpur | Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project | https://www.iitkgp.ac.in |
| 3 | National Digital Library of India Office, Indian Institute of Technology Kharagpur | The administrative and infrastructural headquarters of the project | Dr. B. Sutradhar bsutra@ndl.gov.in |
| 4 | Project PI / Joint PI | Principal Investigator and Joint Principal Investigators of the project |
Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon |
| 5 | Website/Portal (Helpdesk) | Queries regarding NDLI and its services | support@ndl.gov.in |
| 6 | Contents and Copyright Issues | Queries related to content curation and copyright issues | content@ndl.gov.in |
| 7 | National Digital Library of India Club (NDLI Club) | Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach | clubsupport@ndl.gov.in |
| 8 | Digital Preservation Centre (DPC) | Assistance with digitizing and archiving copyright-free printed books | dpc@ndl.gov.in |
| 9 | IDR Setup or Support | Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops | idr@ndl.gov.in |
|
Loading...
|