Nowadays it seems that most serious mail servers (IE mail servers suitable for running an ISP) use one file per message. In the old days (before about 1996) almost all Internet email was stored in Mbox format [1]. In Mbox you have a large number of messages in a single file, most users would have […]
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In the IP protocol stack the lowest level protocol is ARP (the Address Resolution Protocol). ARP is used to request the Ethernet hardware (MAC) address of the host which owns a particular IP address. # arping 192.168.0.43 ARPING 192.168.0.43 60 bytes from 00:60:b0:3c:62:6b (192.168.0.43): index=0 time=339.031 usec 60 bytes from 00:60:b0:3c:62:6b (192.168.0.43): index=1 time=12.967 msec […] In a default configuration of Xen there will be a virtual Ethernet device created for each interface which will be associated with a bridge. A previous post documented how to configure a bridge named xenbr0. The basic configuration of Xen that most people use is to have a single virtual Ethernet port for each Xen […] Bonding is one of the terms used to describe multiple Ethernet cables used to form a single virtual network link. This can be done for performance or reliability. Bonding for performance used to be common when 100baseT was the fastest network technology that was commonly available. In 1999 servers could usually sustain considerably more than […] |
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