The RABIN-KARP algorithm has good practicability for random string matching problems. It is based on the fingerprint mentality.The main string length is n mode string length is MAssume※① we can calculate a P's fingerprint at O (m) time F (P)※② if F (
AdtDefinition: A string that refers to a finite sequence of characters from an alphabet.Data structure: can be implemented by vectors or lists.Features: Compared to the general linear sequence, the string has more distinct characteristics: its
research on high performance data deduplication and detection and deletion technologyHere are some fragmentary data about the re-deletion of things, previously summarized, put on can communicate with you.The explosion of 1 data volumes brings new
Content-Based variable-length block (CDC) technology can be used for variable-length blocks of files, and then for repetitive detection, which is widely used in deduplication systems. Later, Delta compression was performed on similar data blocks to
Http://blog.csdn.net/liuben/archive/2010/08/06/5793706.aspx
1. IntroductionData transmission or synchronization between LAN or WAN based network applications is very common, such as remote data mirroring, Backup, replication, synchronization, data
1. Introduction
Data transmission or synchronization is common among LAN or WAN-based network applications, such as remote data mirroring, backup, replication, synchronization, data download, upload, and sharing, the simplest way is to completely
With the development of digital Video Broadcasting (DVB). Viewers will have to face the choice of digital TV programs more. Because of the increased cost of investment, the broadcasting industry is viewed by users who need to charge a
1. IntroductionData transmission or synchronization is common among LAN or WAN-based network applications, such as remote data mirroring, backup, replication, synchronization, data download, upload, and sharing, the simplest way is to completely
First, data encryption methodEncryption is divided into: one-way encryption, symmetric encryption and public key cryptography.1. Symmetric encryptionSymmetric encryption: Using the encryption method of single-key cryptosystem, the same key can be
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