Tài liệu Chapter11 Wide Area Networking Protocols pptx

... Chapter11 Wide Area Networking Protocols Introduction to Wide Area Networks WAN 是覆盖地理范围相对较为广阔的数据通信网络,它一般是利用公共载体(比如电信公司) 提供的设备进行传输.WAN 技术运行在 OSI 的最下 3 层 广域网 (Wide Area Network,WAN)的一些术语 ... Mode,ATM):国际电信联盟电信标准委员会(ITU-T)制 定的信元(cell)中继续标准.ATM 使用固定长度的 53 字节长的信元方式进行传...

Ngày tải lên: 21/12/2013, 05:18

... nearly trivial. In certain areas the client-server nomenclature can be confusing, though. While you cannot have a graphical desktop without a server, you can have World Wide Web access without a ... a peer-to-peer system might be for you, because it requires no dedicated server machine(s). Peer networking can prove impractical for high-volume operations, because, for instance, multiple bi...

Ngày tải lên: 12/12/2013, 22:15

... It is easy to check that the area | |Area( r)|| of two adjacent slices (Figure 1) is equal to ,6 )3 3 4( 4 2||)(|| 2 21 rAArArea −=+= π where 4 3 2 1 rA = is the area of the central triangle ... reserved areas, fallow patches, dried up ponds and uneven earth mounds separate them. A sensor network for such plots have to necessarily be deployed to collect localized data over a wide...

Ngày tải lên: 21/02/2014, 18:20

Ngày tải lên: 09/12/2013, 16:15

... mm (5") 127 mm (5") Rear Guard Box (optional with some racks) Rack shown for reference Wide VCG Mount Kit Wide VCG Mount Kit Allows for increased fiber capacity within the VCG. 10/07 • 103743AE ... (6 RU) 14" (8 RU) 17.5" (10 RU) O r d e r i n g I n f o r m a t i o n Description Wide VCG mount kit Kit includes: VCG with integrated mounting holes 657 mm (25.8&q...

Ngày tải lên: 09/12/2013, 17:15