With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: As You Like It is a film.
text_B: TCP NAT traversal and TCP hole punching refer to the case where two hosts behind a NAT are trying to connect to each other with outbound TCP connections .. NAT traversal. NAT traversal. TCP. Transmission Control Protocol. Such scenario is particularly important in the case of peer-to-peer communications , such as Voice-over-IP -LRB- VoIP -RRB- , file sharing , teleconferencing , chat systems and similar applications .. peer-to-peer. peer-to-peer. Voice-over-IP. Voice-over-IP. VoIP. VoIP. TCP hole punching is a commonly used NAT traversal technique for establishing a TCP connection between two peers behind a NAT device in an Internet computer network .. NAT traversal. NAT traversal. Internet. Internet. computer network. computer network. network. computer network. TCP. Transmission Control Protocol. The term NAT traversal is a general term for techniques that establish and maintain TCP / IP network and / or TCP connections traversing network-address-translation -LRB- NAT -RRB- gateways .. NAT traversal. NAT traversal. TCP / IP. TCP / IP. network. computer network. TCP. Transmission Control Protocol. network-address-translation. network address translation
not_related.