The Illustrated Network- P52 pdf
The Illustrated Network- P52 pdf
... administered in TCP/IP: the network portion of the IPv4 or IPv6 address and the domain name that goes along with it. The host portion of the IP address and the further qualifi cation of the domain name ... authoritative for the zone. ISPs typically run their own DNS servers, often for their customers, with the actual number of systems for each ISP depending on the size...
Ngày tải lên: 04/07/2014, 08:20
The Illustrated Network- P4 pdf
... race across the Internet. A great deal of the discussion will revolve around the TCP/IP protocol suite, the protocols on which the Internet is built. The network that will run these protocols ... telecommunications context. There is a link to the global Internet and to a home-based wireless LAN as well. The home offi ce link uses digital Major Parts of the Illustrated N...
Ngày tải lên: 04/07/2014, 07:20
The Illustrated Network- P32 pdf
... bytes. 3. The Maximum Segment Size (MSS) is a TCP Option and sets the largest segment that the local host will accept. The MSS is usually the link MTU size minus the 40 bytes of the TCP and ... intended to raise the priority of the segment. ACK If set, the Acknowledgment Number fi eld is valid. PSH If set, the receiver should not buffer the segment data, but pass the...
Ngày tải lên: 04/07/2014, 07:20
The Illustrated Network- P34 pdf
... (technically, if other systems can access them, the host system is a server). All these applications share the single network interface through multiplexing. LAYERS AND APPLICATIONS Both the source ... considers the situation for IPv4 for simplicity. This chapter will be a little different than the others. Instead of jumping right in and capturing packets and then analyzing them,...
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The Illustrated Network- P39 pdf
... because the update from the neighbor router saying “send 192.168.44.0 packets here” arrived before the update from another router saying the same thing, or the entry was already in the table. ... protocol, the network should be able to converge around the new topology. The routers at each end of the link, since they are locally connected to the interface (direct), wi...
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The Illustrated Network- P42 pdf
... runs on links between the border routers of these routing domains and shares information about the routes within the AS or learned by the AS with the AS on the other side of the “border.” BGP makes ... ISP to the other. As long as “you can’t get there from here,” all will be fi ne at the little network in the middle. BGP summarizes all that is known about the IP addres...
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The Illustrated Network- P45 pdf
... (RPT). When the branch is created, packets can fl ow from the source to the RP and from the RP to the receiver. Note that there is no guarantee that the shared tree (RPT) is the shortest path tree to the ... RP model, other routers do not need to know the addresses of the sources for every multicast group. All they need to know is the IP address of the RP router. The...
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The Illustrated Network- P48 pdf
... through the network. Ingress router The ingress router is the start of the LSP and where the label is pushed onto the packet. Egress router The egress router is the end of the LSP and where the ... all other packets that arrive from within the ISP. To ease the load of this border router, the router one hop upstream from the egress router (known as the penultimat...
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The Illustrated Network- P60 pdf
... is the TCP or UDP port that together with the host information specifies the socket where the method appropriate to the scheme is found. For http, the default port is 80. <url-path> The ... into which the user is placed. The forward slash (/) before the path is not technically part of the path, but forms the delimiter and must follow the port. If the url-p...
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The Illustrated Network- P66 pdf
... responsible for the network device ■ sysName(5) The name of the manufacturer of the network device ■ sysLocation(6) The physical location of the network device ■ sysServices(7) The services the network ... value of the sysDescr object and no other. If permitted, the network man- ager can even use the SNMP set command to replace to current value of the sysDescr object w...
Ngày tải lên: 04/07/2014, 08:20