as you know; as we know
Fixed expression used to introduce shared knowledge or a known fact. Often followed by が or けど.
As you know, tomorrow is a holiday.
As we know, he is very busy.
知っての通り is a plain, casual way to say 'as you know', while ご存じの通り is the honorific version used to politely address someone of higher status.
Standard kanji-kana mixed spelling.
Kana spelling of 通り; equally common.
Phrase composed of 知って (te-form of 知る 'to know') + の (nominalizer) + 通り 'as, in accordance with'. Literally 'in the way of knowing'.