IP packet
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... security protocol header into
outgoing IP packets between the original IP header and the packet
payload ...
... IPsec header and an
additional IP header to the outgoing IP packet (Figure 2). In
essence, the original packet becomes the payload of another IP
packet ...
... IP packet (Figure 2). In
essence, the original packet becomes the payload of another IP
packet, which IPsec then secures. This has been described [1] as "a
...
... host must choose an
IP source address for the IP packets before transmission.
When an end system is connected to multiple networks ...
... 2003prop [2] uniquely specifies IPIP encapsulation (placing an IP
packet as payload inside another IP packet.) Originally developed for
...
... IPIP encapsulation (placing an IP
packet as payload inside another IP packet.) Originally developed for
MobileIP, it has often been adopted when virtual topologies were
...
... of the Internet, and violates the specification of type 4 IP in IP
packets as being uniquely defined by a single Internet standard (it
is already standardized by [2 ...
... IP protocol number
of 4 (payload of an IP packet of type 4) is uniquely specified by RFC
2003prop according to IANA ...
... IPsec tunnel mode, because
IPsec does not specify any limits on the types of IP packets that
transport mode can secure.
...
... IP packet is encapsulated as payload inside another IP
packet, some of the outer header fields can be newly written (and the
inner header ...