The most common and most likely answer to this crossword clue is the 5 letter word NEXUS
I've seen this crossword clue in Independent
N
E
X
U
S
More clues leading to the result NEXUS
- Bond girlfriend no longer enthralled by union
- Crossed lines in nearly new American network
- Bond star rising to embrace old flame
- Short, unsexy jockeys bond
- Star turned up embracing former Bond
- Former partner in newspaper returned bond
- Bond‘s partner formerly occupying Students’ Union
- Former partner embraced by star returning for relationship
- New start with former American bond
- Bond‘s old lover shown in flipping tabloid
Buddy explains!

The straight part
We know that "network" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case network = nexus.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does NEXUS mean?
NEXUS noun- A form of connection.
- A connected group.
- The centre of something.
- In Ancient Rome, a person who had contracted a nexum or obligation of such a kind that, if he failed to pay, his creditor could compel him to work as a servant until the debt was paid.
- The relationship between a vendor and a jurisdiction for the purpose of taxation, established for example by the vendor operating a physical store in that jurisdiction.