Abstract: Methods and systems are disclosed for implementing inter-network roam and for querying and network attachment, applied in a network of access identifier and location identifier separation, wherein the method for implementing inter-network roam comprises: after attaching to an ASN of a roaming area network, a roaming terminal sending a first data packet whose destination address is the AID of a destination device to the destination device; after receiving the first data packet, the ASN querying locally AID-RID mapping information, and requesting a roaming gateway to query the RID of the destination device if the RID is not found and the destination device does not belong to the roaming network; the roaming gateway querying the RID from a home network of the destination device and returning to the ASN; according to the RID, the ASN sending subsequent data packets of the roaming terminal to the destination device.

Abstract: The present invention is systems and methods for matching desired purchases and sales of mis-matched items. These systems and methods compare the requirements of potential buyers and sellers of items against those of sets of other potential buyers and sellers of items to construct transaction sets that will enable an optimal transaction or set of transactions for the parties involved. The present invention may be used to match purchases and sales of any items, such as goods, services, financial instruments, and property interests (e.g., ownership interests in real property, possessory interests in personal property, etc.).

Abstract: The present invention is systems and methods for matching desired purchases and sales of mis-matched items. These systems and methods compare the requirements of potential buyers and sellers of items against those of sets of other potential buyers and sellers of items to construct transaction sets that will enable an optimal transaction or set of transactions for the parties involved. The present invention may be used to match purchases and sales of any items, such as goods, services, financial instruments, and property interests (e.g., ownership and/or possessory interests in real property, personal property, etc.).

Abstract: The present invention is systems and methods for matching desired purchases and sales of mis-matched items. These systems and methods compare the requirements of potential buyers and sellers of items against those of sets of other potential buyers and sellers of items to construct transaction sets that will enable an optimal transaction or set of transactions for the parties involved. The present invention may be used to match purchases and sales of any items, such as goods, services, financial instruments, and property interests (e.g., ownership and/or possessory interests in real property, personal property, etc.).

Abstract: The present invention is systems and methods for matching desired purchases and sales of mis-matched items. These systems and methods compare the requirements of potential buyers and sellers of items against those of sets of other potential buyers and sellers of items to construct transaction sets that will enable an optimal transaction or set of transactions for the parties involved. The present invention may be used to match purchases and sales of any items, such as goods, services, financial instruments, and property interests (e.g., ownership interests in real property, possessory interests in personal property, etc.).