By Christoph Meinel, Harald Sack
This e-book is meant to function a entire and instructive advisor during the new international of electronic conversation. at the actual layer optical and electric cabling expertise are defined in addition to instant conversation applied sciences. at the info hyperlink layer neighborhood region networks (LANs) are brought including the preferred LAN applied sciences comparable to Ethernet, Token Ring, FDDI, and ATM in addition to instant LAN applied sciences together with IEEE 802.x, Bluetooth, or ZigBee. a variety of WAN applied sciences are coated together with modern excessive velocity applied sciences like PDH and SDH as much as excessive pace instant WANs (WiMAX) and 4th iteration instant mobile networks LTE. Routing applied sciences finish the therapy of the knowledge hyperlink layer. subsequent, there's the net layer with the web protocol IP that establishes a digital uniform community out of the web of heterogeneous networks. intimately, either types, IPv4 in addition to the successor IPv6 are coated intimately in addition to ICMP, NDP, and cellular IP. within the next delivery layer protocol services are supplied to supply a connection-oriented and trustworthy shipping provider at the foundation of the straightforward and unreliable IP. the fundamental protocols TCP and UDP are brought in addition to NAT, the community tackle translation. Beside shipping layer defense protocols like SSL and TLS are awarded. at the upmost software layer renowned net software protocols are defined like DNS, SMTP, PGP, (S)FTP, NFS, SSH, DHCP, SNMP, RTP, RTCP, RTSP, and world-wide-web.