The Network Switching Subsystem
The Network Switching Subsystem
... 4 The Network Switching Subsystem The NSS plays the central part in every mobile network. While the BSS pro- vides the radio access for the MS, the various network elements within the NSS assume ... register). The subsystems are interconnected directly or indirectly via the worldwide SS7 network. The network topology of the NSS is more flexible than the h...
Ngày tải lên: 19/10/2013, 03:20
The network layer Addressing and routing
... client; the relay agentwill then perform the final delivery to the client.(...)If the ’giaddr’ field is set to 0.0.0.0, then the client resides onone of the same networks as the BOOTP server. ... will have to allow the automatic attribution of TCP/IPconfigurations. The IP address of the network is 194.12.230.0, but the structure of the networkmust reflect the orga...
Ngày tải lên: 17/09/2012, 09:13
Securing the Network Infrastructure
... Securing the Network InfrastructureSecurity+ Guide to Network Security Fundamentals Second Edition Objectives•Work with the network cable plant•Secure removable media•Harden network devices•Design network ... diodes Securing the Cable Plant•Securing cabling outside the protected network is not the primary security issue for most organizations•Focus is on protecting acces...
Ngày tải lên: 17/09/2012, 10:43
Outsourcing the Network II - Green IT and SAN
... Module 6: Outsourcing theNetwork II – Green IT and SAN Overview•Mối quan tâm của các CIO •GreenIT•Các vấn đề trước mắt, ... dài hạn•Benefits and Dirversof GreenIT•Cuộc cách mạng công nghệ lưu trữ•SAN là gì?(Storage Area Network) •Khả năng liên kết SAN•Công nghệ ảnh hưởng đến cơ sở hạ tầng lưu trữ.•Tại sao phải là SAN?•Hướng ... và mở rộng của các tổ chức chuyên về CNTT.•Quản lý chi phí cho n...
Ngày tải lên: 17/09/2012, 10:43
The Base Station Subsystem
... 3 The Base Station Subsystem Via the Air-interface, the BSS provides a connection between the MSs of a lim- ited area and the network switching subsystem (NSS). The BSS consists of the following ... over the link from the BSC to the MSC. The specifications allow for the installation of the TRAU between the BTS and the BSC. That requires, however, the us...
Ngày tải lên: 19/10/2013, 03:20
The Network Press - Encyclopedia of Networking - Second Edition
... sent to a node on another network. At the same time, the bridge discards any packets intended for the originating network (rather than passing these to the other network) . The terms bridge and ... (that is, to one in network A), the bridge discards the packet since the packet will be delivered internally through the network. On the other hand, if a packet fro...
Ngày tải lên: 22/10/2013, 15:15
Look both ways before crossing the network
... then carried on the network or circuit under test, then test equipment at the receive point deter- mines whether the transmission is suc- cessful (without errors). At this point, the technician knows ... connector, splice or some other network device. Connector access A differentiating point in product design is in the access to the connectors them- selves. Connectors are one...
Ngày tải lên: 22/10/2013, 18:15
Tài liệu Look both ways before crossing the network doc
... traffic. The pattern is carried on the network or circuit under test, then test equipment at the receive point determines whether the transmission is successful (without errors). At this point, the ... choosing a VAM is the access to the connectors. Dirty connectors are the highest cause of poor performance and the most likely failure points in the network. Thus, period...
Ngày tải lên: 10/12/2013, 16:15
Tài liệu Chapter 2 - Communicating over the Network CCNA Exploration 4.0 docx
... Network • The network devices that people are most familiar with are called end devices. These devices form the interface between the human network and the underlying communication network. ... Devices and their Role on the Network • Intermediary devices to provide connectivity and to work behind the scenes to ensure that data flows across the network. • These de...
Ngày tải lên: 12/12/2013, 14:15
Tài liệu Reduced Bend Radius Fiber into the Network docx
... from one end of the fiber to another (see Figure 1). By improving the bend radius of optical fiber, light entering the core is effectively reflected by the cladding back into the core. Instead ... refraction than the core, causing light to stay within this core. To achieve tighter bend radii, some constructions change the Mode Field Diameter (MFD) the area across the co...
Ngày tải lên: 21/12/2013, 07:17