| 1. | Packet - switched signalling system between public networks providing data transmission services
提供数据传输业务的公用网之间的分组交换信令系统 |
| 2. | General principles for interworking between public networks , and between public networks and other networks for the provision of data transmission services
公用网之间以及公用网和提供数据传输业务的其它网之间互通的一般原则 |
| 3. | This requires new kinds of circuit - switching gateways that feature lan interfaces and telephony trunk connections to public networks and pbxs
这就要求用新型的电路交换网关，它们具有局域网接口和与公用网和用户交换机电话中继线连接的特点。 |
| 4. | The main network make up of the local area networks of the changjiang msa and it " s branches along the changjiang river , these local area network connected with each other by public frame relay special lines
主网是由长江海事局机关计算机网络和其分支机构的局域网组成，通过租用武汉理工大学硕士论文公用网帧中继专线实现网际互联。 |
| 5. | Some organs have laid special lines and established an exclusive intranet in data communication for the sake of security . nevertheless , the exclusive intranet is stil1 far from satisfaction for the requirement of security in many cases
在数据通信中，为满足安全性的要求，一些单位铺设了专网、专线，建立了自己内部的公用网络，但这种内部公用网还远远不能满足各部门对安全性的要求。 |
| 6. | Based on wide area network of our ministiy , the special remote network does n ' t cut off from the public network . but many sensitive information of different levels and natures are involved in the remote transmission network and should not be read and analyzed by unconcerned persons , due to the strict demand for integrity , control and security
培训网建立在部广域网基础之上，但并未与公用网完全隔断，在这个远程传输网络中可能涉及很多不同级别和不同性质的敏感信息，信息的完整性、可控性、保密性要求很高。 |
| 7. | It is significant to study and realize a set of secure virtual private network ( vpn ) gateway devices with our own intellectual property in the seriously unsafe situation . this thesis aims at studying the private network and public network demand for network security in information society
在国内外网络不安全的严峻形势下，研究和实现有我国自主知识产权的一套vpn安全网关设备具有极其重要意义，本文就是针对信息社会中专用网和公用网对网络安全的迫切需求而展开研究。 |
