We developed an OPNET model for GPRS The model implemented various GPRS-specific protocols We presented implementation of two additional protocols in an existing GPRS model: RLC/MAC BSSGP Three simulated scenarios were used to verify t

P2P技术打破了传统的Client/Server模式，在对等网络中，每个节点的地位都是相同的，具备客户端和服务器双重特性，可以同时作为服务使用者和服务提供者。-P2P technology to break the traditional Client/Server model, in a peer-to-peer network, each node status is the same with the dual characteristics of the client and serve

服务计算中服务质量的多目标优化模型与求解研究.pdf-Model Study of Multi- objective service quality service optimization calculations

GB61850-7-1_通讯结构（原理模型） GB61850-7-2_抽象通讯服务接口 GB61850-7-3_公共数据类 GB61850-7-4_FDIS_R300 GB61850-7-4_FDIS_R300_改_ GB61850-7-4_兼容逻辑节点和数据类(Part 7-1 Basic communication structure for substations and Feeder equipment-Priciples and model Part 7-2 Basic