# Feature Summary

## Account Tracking

In order to efficiently forward ILPv4 packets between its Peers, a Connector must track these relationships. Read more about how this implementation tracks account relationships in [Account Model](/concepts/peering-account-model.md).

## Packet Switching

The primary sub-system in this connector is called a Packet Switch. This component filters incoming packets, ensures that each packet satisfies a variety of preconditions, and then forwards this packed to the appropriate outgoing link. Read more about this component in [Packet Switching Fabric](/concepts/packet-switching-fabric.md).

## Exchange Rates

Each link in this ILPv4 Connector tracks an account in a unique asset. In order to switch packets from one link to another, it is sometimes necessary to apply an exchange-rate. Read more about how this is accomplished in [Exchange Rates](/concepts/exchange-rates.md).

## Balance Tracking

Each link this this Connector also tracks real-time debt positions between the Connector itself and any peer. Read more about this in [Balance Tracking](/concepts/balance-tracking.md).


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