Methods and apparatus for controlling write access by one or more accessing nodes to a resource within a Resource Location And Discovery, RELOAD, network. The methods and apparatus configured to: at a node owning the resource, obtain a public key of a peer responsible for the resource, encrypt a write key using the obtained public key and send the encrypted write key to the peer responsible for the resource; at the peer responsible for the resource, decrypt the write key; at an accessing node, sign data to be written to the resource using the write key and send a request to the peer responsible for the resource to write the signed data to the resource; and at the peer responsible for the resource, control write access to the resource based on the decrypted write key and the signed data.