The design of interface introduces the method for data package store and forward.

Theoretical derivation and simulation show that compared with conventional store-and-forward and independent Network Coding,the data transmission rate of the network is greatly improved by these two protocols.

With the increasing and diversification of users\' requirement, the shortcomings of services which are based on store-and-forward appear gradually, such as: time delays, insecurity, inconvenient interaction.

A study on storage schema of large scale ontology based on relational database;

With the exponential increasing accumulation of data on the Web,it has been very difficult for the existing storage schemas to satisfy the demand of storing large-scale RDF data efficiently.

Under current ontology storage schema,some problems such as difficult maintenance,low query and inference speed may appear after OWL ontology storing in relational database.

To suit the networking trend of machine design and manufacture, a new method of using XML-based storage model and of data query based on XPath is presented against the problem in data maintenance and interchange of the traditional storage method of the mechanical datasheet.

Focused on the problems of object migration for object-oriented XML data,two approaches based on distributed and centralized storage model are put forward,each of which resolves the OID ambiguity problem.

The paper analyzes three kinds of frequently-used storage models namely DAS,NAS and SAN,compares their similarities and differences.