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18 Cards in this Set
- Front
- Back
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Application Layer |
The highest layer and the one that provides the service users typically interact with. |
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Transport Layer |
Responsible for delivery between the sending/receiving programs and, typically, the ordering and error correction. |
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Network Layer |
Responsible for the information needed to route packets from the source to the destination machines. |
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Link Layer |
Responsible for the delivery of the packets betweeen adjacent nodes in the networking. |
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Physical Layer |
Converts bytes to the appropriate format for signaling. |
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Interface |
The boundary between the host and the physical link |
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Subnet |
Network interconnecting multiple hosts and a single router |
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Aggregation |
The ability to use a single prefix to advertise multiple networks |
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Autonomous System |
Group of routers that are typically under the same administrative control. |
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Intra-AS System Routing Protocol |
The routing algorithm running within an autonomous system. |
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Gateway Router |
Responsible for forwarding packets to destinations outside the AS |
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Inter-AS Routing Protocol |
Responsible for obtaining reachability information from neighboring ASs and propagating reachability information to all routers inside the AS. |
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Hot-potato Routing |
When the AS gets rid of the packets as fast as it can |
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eBGP |
A BGP session that spans two ASs |
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BGP |
When pairs of routers exchange routing information over semipermanent TCP connections. |
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iBGP |
A BGP session between routers in the same AS |
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AS-PATH |
An attribute that contains the ASs through which the advertisement for the prefix has passed |
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NEXT-HOP |
An attribute that used by routers to properly configure their forwarding tables |
