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In computer networking, the maximum transmission unit (MTU) is the size of the largest protocol data unit (PDU) that can be communicated in a single network layer transaction. [1]: 25 The MTU relates to, but is not identical to the maximum frame size that can be transported on the data link layer, e.g., Ethernet frame.
DrTCP - a utility for Microsoft Windows (prior to Vista) which can quickly alter TCP performance parameters in the registry. Information on 'Tweaking' your TCP stack, Broadband Reports; TCP/IP Analyzer, speedguide.net; NTTTCP Network Performance Test Tool, Microsoft Windows Server Performance Team Blog; Best Practices for TCP Optimization ...
The process is repeated until the MTU is small enough to traverse the entire path without fragmentation. As IPv6 routers do not fragment packets, there is no Don't Fragment option in the IPv6 header. For IPv6, Path MTU Discovery works by initially assuming the path MTU is the same as the MTU on the link layer interface where the traffic originates.
The Network Driver (ND) or interface should know the Maximum Transmission Unit (MTU) of the directly attached network. The IP should ask the Network Driver for the Maximum Transmission Unit. The TCP should ask the IP for the Maximum Datagram Data Size (MDDS). This is the MTU minus the IP header length (MDDS = MTU − IPHdrLen).
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The Windows Vista networking stack supports the dual Internet Protocol (IP) layer architecture in which the IPv4 and IPv6 implementations share common Transport and Framing layers. Windows Vista provides a GUI for configuration of both IPv4 and IPv6 properties. IPv6 is now supported by all networking components and services. The Windows Vista ...
Wall Street is drifting Thursday as gains for fashion brands and cigarette makers help offset drops for Ford Motor and Qualcomm following their latest profit reports. The S&P 500 was up 0.2% in ...
802.5 Token Ring can support frames with a 4464-byte MTU, FDDI can transport 4352-byte, ATM 9180-byte and 802.11 can transport 7935-byte MTUs. The IEEE 802.3 Ethernet standard originally mandated support for 1500-byte MTU frames, 1518 byte total frame size (1522 byte with the optional IEEE 802.1Q VLAN/QoS tag). The IEEE 802.3as update ...